Publications 1997

  1. M. Thumm, W. Wiesbeck, S. Kern, Hochfrequenzmeßtechnik - Verfahren und Meßsysteme, Teubner Verlag, Stuttgart, ISBN 3-519-06360-3, 1997
  2. J. Haala, T. Zwick, W. Wiesbeck, "Analysis and optimization of microwave heating Appllicators using Finite Difference Time-Domain," 1st Worl Congress on Microwave Processing, Orlando, Florida, USA, January 1997
  3. J. Haala, T. Zwick, W. Wiesbeck, "Analysis and optimization of hybrid absorbers in order to improve the quality of anechoic chambers," Proc. Int. Symposium on EMC´97, Zurich, Switzerland, February 1997, pp. 347-350
  4. J. Haala, T. Zwick, W. Wiesbeck, "Analysis and optimization of hybrid absorbers in order to improve the quality of anechoic chambers," Compliance Engineering 1997, European Edition, Switzerland, Reprint, pp. A77-A82, 1997
  5. N. Geng, T. C. Becker, T. Zwick, W. Wiesbeck, "Characterization of urban and indoor radio channels based on 3D ray-optical wave propagation modeling," Commsphere'97, Lausanne, Switzerland, February 11-14, 1997
  6. J. Haala, W. Wiesbeck, "Analysis and optimization of anechoic chambers equipped with ferrite and hybrid absorbers using FIT-FD," Internat. Conference on Antennas and Propagation ICAP´97, Edinburgh, UK, April 14-17, 1997, pp. 130-135
  7. F. Rostan, W. Wiesbeck, "Design considerations for aperture coupled microstrip patch phased arrays taking into account mutual coupling effects," Internat. Conference on Antennas and Propagation ICAP´97, Edinburgh, UK, April 14-17, 1997, pp. 1.237-240
  8. M. Döttling, T. Zwick, W. Wiesbeck, "Ray tracing and imaging techniques in urban pico and micro cell wave propagation modelling," Internat. Conference on Antennas and Propagation ICAP´97, Edinburgh, UK, April 14-17,1997, pp. 2.311-315
  9. F. Küchen, W. Wiesbeck, "Forschung und Entwicklung: Wellenausbreitungsmodelle für Funknetze," Funkschau 7/97, March 14, pp. 82-85, 1997
  10. F. Küchen, W. Wiesbeck, "Forschung und Entwicklung: Modellierung von Funkzellen," Funkschau 8/97, March 27, pp. 77-79, 1997
  11. K. Schmitt, W. Wiesbeck, "Untersuchung eines interferometrischen SAR-Prozessors unter Vermeidung von Phasenvieldeutigkeiten," Tagungsband des 9. Radarsymposiums der DGON e.V., Stuttgart, April 8-10, 1997, pp. 343-352
  12. D. Löffler, F. Rostan, W. Wiesbeck, "Konforme Antennenkonzepte für den Interferometriesatelliten," DIVA-DARA-ISWG-Workshop, Heidelberg, Germany, April 15-16, 1997, pp. 101-106
  13. J. Haala, W. Wiesbeck, "Optimierung von Hybridabsorbern für EMV-Absorberkammern," Proc. Microwellen und Optronik MIOP'97, Sindelfingen, Germany, April 22-24, 1997, pp. 117-121
  14. M. Döttling, T. Zwick, W. Wiesbeck, "Application of imaging techniques to urban wave propagation modeling," Proc. Microwellen und Optronik MIOP'97, Sindelfingen, Germany, April 22-24, 1997, pp. 209-212
  15. D. Löffler, G. Gottwald, W. Wiesbeck, "Schneller SDMA-Algorithmus zur Richtdiagrammsynthese zylindrischer phasengesteuerter Arrays," Proc. Microwellen und Optronik MIOP'97, Sindelfingen, Germany, April 22-24, 1997, pp. 226-230
  16. J. Parlebas, W. Wiesbeck, "Numerical methods for the full-wave analysis of coplanar elements," Proc. Microwellen und Optronik MIOP'97, Sindelfingen, Germany, April 22-24, 1997, pp. 375-381
  17. T. Zwick, K. Schmitt, W. Wiesbeck, "Funkkommunikation durch Kraftfahrzeugscheiben," Automobiltechnische Zeitschrift ATZ, vol 99, no 4, pp. 220-226, April 1997
  18. M. Döttling, T. C. Becker, W. Wiesbeck, "Modeling of the DECT outdoor radio channel," Proc. IEEE Vehicular Technology Conference VTC´97, Phoenix, Arizona, USA, May 4-7, 1997, pp. 1947-1951
  19. F. Küchen, T. Zwick, W. Wiesbeck, "Symbol error rate prediction for mobile receivers in urban single frequency networks," Proc. IEEE International Vehicular Technology Conference VTC´97, Phoenix, Arizona, May 4-7, 1997, pp. 36-40
  20. T. J. Cui, C. H. Liang, W. Wiesbeck, "Closed-form solutions for one-dimensional inhomogeneous anisotropic medium in a special case - part I: Direct scattering problem," IEEE Trans. on Antennas and Propagation, vol AP-45, no 6, pp. 936-941, June 1997
  21. T. J. Cui, C. H. Liang, W. Wiesbeck, "Closed-form solutions for one-dimensional inhomogeneous anisotropic medium in a special case - part II: Inverse scattering problem," IEEE Trans. on Antennas and Propagation, vol AP-45, no 6, pp. 942-948, June 1997
  22. M. Döttling, F. Küchen, W. Wiesbeck, "Deterministic modeling of the street canyon effect in urban micro and pico cells," Proc. IEEE Intern. Conference on Communications ICC´97, Montreal, Canada, June 8-12, 1997, pp. 36-40
  23. D. Löffler, F. Rostan, W. Wiesbeck, "Conformal microstrip patch array for SDMA applications," Proc. IEEE Antennas and Propagation Soc. Int. Symposium 1997, Montreal, Canada, July 13-18, 1997, pp. 1533-1536
  24. F. Demmerle, S. Kern, W. Wiesbeck, "A bi-conical multibeam antenna for space division multiple access," Proc. IEEE Antennas and Propagation Soc. Int. Symposium 1997, Montreal, Canada, July 13-18, 1997, pp. 1082-1085
  25. K. Schmitt, W. Wiesbeck, "An interferometric SAR processor avoiding phase ambiguities," Proceedings of the International Geoscience and Remote Sensing Symposium IGARSS'97, Singapore, Singapore, August 3-8, 1997, pp 1713-1715
  26. T. Kürner, D. J. Cichon, W. Wiesbeck, "The influence of land-usage on UHF wave propagation in the receiver near range," IEEE Transactions on Vehicular Technology , vol 46, no 3, pp. 739-747, August 1997
  27. T. Zwick, M. Döttling, W. Wiesbeck, "Ray-based algorithms and results for wave propagation," Int. Conf. on Electromagnatics in Advanced Applications ICEAA'97, Torino, Italy, September 15-18, 1997, pp. 107-110
  28. D. Löffler, F. Rostan, J. Xia, W. Wiesbeck, "Semi-spherical array for satellite-communication systems using high gain microstrip patch elements," Int. Conf. on Electromagnatics in Advanced Applications ICEAA'97, Torino, Italy, September 15-18, 1997, pp. 429-432
  29. E. Gschwendtner, W. Wiesbeck, "Low-Profile-Antenne am Kraftfahrzeug für DAB im L-Band," Workshop Digitales Radio, Technische Universität Ilmenau, Germany, October 9-10, 1997
  30. F. Küchen, W. Wiesbeck, "Untersuchungen zur Approximation der DAB-Symbolfehlerrate aus dem C/I-Verhältnis," Workshop Digitales Radio, Technische Universität Ilmenau, Germany, Oct. 9-10, 1997
  31. M. Döttling, S. Buonomo, "A review of physical models for last mile wave propagation in land mobile satellite systems," COST 255 Radiowave Propagation Modelling for New SatCom Services at Ku-Band and above, Brussels, Belgium, Oct. 27-29, CP41B04, 1997
  32. T.C. Becker, F. Küchen, W. Wiesbeck, "Effiziente Planungsverfahren für Gleichwellennetze - Prognose und Verifikation," Rundfunktechnische Mitteilungen, vol 4, pp. 138-148, 1997
  33. J. Haala, W. Wiesbeck, "Analysis and optimization of anechoic chambers equipped with ferrrite absorbers using FIT-FD," 19th Symp. AMTA´97, Boston, MA, Nov. 12-17, 1997, pp. 261-266
  34. K. Schmitt, W. Wiesbeck, "Three-dimensional imaging using ambiguity free interferometry," Proceedings of the 19th Antenna Measurement Techniques Association (AMTA) Meeting and Symposium, Boston, Massachusetts, USA, Nov. 17-21, 1997, pp. 445-449
  35. J. v. Hagen, "Wide band electromagnetic coupling to a cavity: an integral representation based model," Forschungsbericht aus dem Institut für Höchstfrequenztechnik und Elektronik der Universität Karlsruhe, Band 15, (Dissertation), ISSN 0942-2935, Nov. 1997
  36. M. Döttling, A. Jahn, H. Ernst, S. Buonomo, "Land mobile satellite propagation channel - a combined deterministic and statistical modelling approach," Proc. Fourth European Conference on Satellite Communications ECSC-4, Rome, Italy, Nov., 18-20, 1997, pp. 182-187
  37. D. Löffler, F. Demmerle, E. Gschwendtner, W. Wiesbeck, "Beurteilung von Modellszenarien für SDMA aus Antennensicht," ITG-Diskussionssitzung: Modellszenarien für Systeme mit intelligenten Antennen, Kaiserslautern, Germany, Dec. 4, 1997
  38. E. Gschwendtner, D. Löffler, F. Demmerle, "Switched and phased array concepts for SDMA-applications," COST-260 Smart Antennas - Workshop on Smart Antenna Design and Technology, Dubrovnik, Croatia, Dec. 10-12, 1997, pp. 3.18-3.23
  39. E. Steiger, R. Riedlinger, "FDTD-Berechnung von in der Lithotripsie eingesetzten Pulsschallfeldern," 23. Deutsche Jahrestagung für Akustik, Kiel, Germany, March 3-6, 1997 , p. 351
  40. E. Steiger, "Scattering of focused strong pressure pulses by spheroids," Int. Symp. on Hydroacoustics and Unltrasonics, Gdynia, Jurata, Poland, May 12-16, 1997, pp. 97-103
  41. E. Steiger, "FDTD modeling of biomedically applied strong sound pulse propagation," Journal of the Acoustical Society of America, vol 101, no 5, p. 3138 May, 1997
  42. E. Steiger, E. H. Marlinghaus, "Modeling the Storz MODULITH SL 10 shock wave lithotriptor," 2nd World Congress on Ultrasonics, Yokohama, Japan, August 24-27, 1997, p. 490
  43. E. Steiger, "FD-TD-modeling of propagation of high energy sound pulses in lithotripter-tissue-arrangements," Proceedings IEEE Int. Ultrasonics Symp.'97, Toronto, Canada, October 5-8, 1997
  44. R.T. Pötzschke, A. Froese, W. Wiesbeck, G. Staikov, W.J. Lorenz, "Electrocrystallization of Metals on High Tc Superconductor and Semiconductor Surfaces," Proceedings of the Third Symposium on Electrochemically deposited Thin Films, 190th Meeting of the Electrochemical Society, vol 96-19, Pennington, NJ, USA, 1997, pp. 21-32
  45. G. Staikov, M. Nold, W.J. Lorenz, A. Froese, R. Speck, W. Wiesbeck, M. Breiter, "Effect of grain boundaries on the low-temperature ionic conductivity of polycrystalline RbAg4I5 and Ag3SBr,"Solide State Ionics 93, pp. 85-93, 1997
  46. M. Thumm, "Modes and mode conversion in microwave devices, in Generation and Application of High Power Microwaves," P.A. Cairns and A.D.R. Phelps, eds., Institute of Physics Publishing, Bristol, 1997
  47. M. Thumm, "Applications of high-power microwave devices, in Generation and Application of High Power Microwaves," P.A. Cairns and A.D.R. Phelps, eds., Institute of Physics Publishing, Bristol, 1997
  48. M. Thumm,, ed.: Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997
  49. L. Feher, G. Link, M. Thumm, "Hochmodiger Mikrowellenresonator für die Hochtemperaturbehandlung von Werkstoffen," DE196 33 245 C1, Nov. 27, 1997
  50. A. Arnold, O. Braz, H.-R. Kunkel, M. Thumm, "Vektorieller Netzwerkanalysator mit hoher Dynamik im Bereich 70-190 GHz," Erfindungsmeldung 59/97, Oct . 14, 1997
  51. M. Thumm, "Present developments and status of electron sources for high power gyrotron tubes and free electron masers," Applied Surface Science,vol 111, pp. 106-120, 1997
  52. M. Thumm, E. Borie, O. Braz, G. Dammertz, M. Kuntze, B. Pioscyzk, "Fortschrittliche Gyrotrons für Hochleistungs-Mikrowellen-Heizsysteme zur Zündung von Fusionsreaktoren," Nachrichten - Forschungszentrum Karlsruhe, vol 29, pp. 31-42, 1997
  53. B. Piosczyk, O. Braz, G. Dammertz, C.T. Iatrou, S. Kern, M. Kuntze, A. Möbius, M. Thumm, V.A. Flyagin, V.I. Khishnyak, V.I. Malygin, A.B. Pavelyev, V.E. Zapevalov, "A 1.5-MW, 140-GHz, TE28,16-coaxial cavity gyrotron," IEEE Trans. on Plasma Sciences, PS vol 25, pp. 460-469 ,1997
  54. C.T. Iatrou, O. Braz, G. Dammertz, S. Kern, M. Kuntze, B. Piosczyk, M. Thumm, "Design and experimental operation of a 165-GHz, 1.5-MW, coaxial-cavity gyrotron with axial rf output," IEEE Trans. on Plasma Sciences, PS vol 25, pp. 470-479 ,1997
  55. M. Pain, P. Garin, M.Q. Tran, S. Alberti, M. Thumm, O. Braz, E. Giguet, P. Thouvenin, C. Tran ,"Status of the 118 GHz - quasi CW gyrotron for the Tore Supra and TCV tokamaks," Fusion Technology 1996, eds. C. Varandas, F. Serra, Elsevier Science Publishers B.V., pp. 533-536, 1997
  56. B. Piosczyk, E. Borie, O. Braz, G. Dammertz, C.T. Iatrou, S. Illy, S. Kern, M. Kuntze, M.V. Kartikeyan, G. Michel, A. Möbius, M. Thumm, "Advanced high power gyrotrons for ECW application," Fusion Technology 1996, eds. C. Varandas, F. Serra. Elsevier Science Publishers B.V., pp. 545-548, 1997
  57. O. Braz, G. Dammertz, M. Kuntze, M. Thumm, "D-band frequency step-tuning of a 1ÊMW gyrotron using a Brewster output window," Int. J. Infrared and Millimeter Waves, vol 18, pp. 1465-1477, 1997
  58. O. Braz, A. Kasugai, K. Sakamoto, K. Takahashi, M. Tsuneoka, T. Imai, M. Thumm, "High power 170 GHz test of CVD diamond for ECH window," Int. J. Infrared and Millimeter Waves, vol 18, pp. 1495-1503, 1997
  59. G. Link, A. Weisenburger, R. Böhme, G. Schumacher, M. Thumm, "MM-wave sintering of nanocrystalline oxide ceramics," 1st World Conf. on Microwave Processing, Lake Buena Vista, Florida, January 5-9, 1997
  60. G. Link, W. Bauer, A. Weddigen, H.-J. Ritzhaupt-Kleissl, M. Thumm, "MM-wave processing of ceramics," 1st World Congress on Microwave Processing , Lake Buena Vista, Florida, January 5-9, 1997
  61. L. Feher, G. Link, M. Thumm, "Ray tracing modeling for large millimeter-wave resonators and material processing," 1st World Congress on Microwave Processing, Lake Buena Vista, Florida , January 5-9, 1997
  62. M. Thumm, "Recent development of high power gyrotrons and windows for EC wave applications," Proc. 12th Topical Conf. on Radio Frequency Power in Plasmas, AIP Conference Proceedings 403 (Invited), Savannah, Georgia, USA, 1997, pp. 183-190
  63. B. Piosczyk, O. Braz, G. Dammertz, C.T. Iatrou, S. Kern, M. Kuntze, G. Michel, A. Möbius, M. Thumm, V.A. Flyagin, V.I. Kishnyak, A.B. Pavelyev, V.E. Zapevalov, "Coaxial cavity gyrotron with dual rf-beam output," 10th Joint Workshop on Electron Cyclotron Emission & Electron Cyclotron Resonance Heating, Ameland, The Netherlands , April 6-11, 1997
  64. G. Dammertz, O. Braz, M. Kuntze, B. Piosczyk, M. Thumm, "Step-tunable 1 MW broadband gyrotron with Brewster window," 10th Joint Workshop on Electron Cyclotron Emission & Electron Cyclotron Resonance Heating, Ameland, The Netherlands, April 6-11, 1997
  65. M. Thumm, O. Braz, G. Dammertz, C.T. Iatrou, S. Kern, M. Kuntze, G. Michel, A. Möbius, B. Piosczyk, "1.2 MW coaxial cavity gyrotrons in the frequency range 115-170 GHz," Proc. 9th Microwave and Optronics Conference (MIOP'97), Sindelfingen, 1997, pp. 96-100
  66. G. Link, L. Feher, A. Möbius, M. Thumm, "Improved design of an industrial millimeterwave installation for materials processing," Proc. 9th Microwave and Optronics Conference (MIOP'97), Sindelfingen, 1997, pp. 101-105
  67. H.E.Häfner, P. Norajitra, M. Thumm, "High power windows for millimeter wave transmission," Proc. Annual Meeting on Nuclear Technology, Aachen, 1997, pp. 558-561
  68. L. Feher, M. Thumm, "Advanced modelling and simulation of millimeter-waves ceramics sintering with the THESIS3D-Code," Proc. 2nd European Workshop on Microwave Processing of Materials, Karlsruhe, 1997, pp. 19-20
  69. G. Link, M. Thumm, W. Bauer, H.-J. Ritzhaupt-Kleissl, A. Weddigen, R. Böhme, A. Weisenburger, "Investigations on millimeterwave sintering at Forschungszentrum Karlsruhe," Proc. 2nd European Workshop on Microwave Processing of Materials, Karlsruhe, 1997, pp. 21-22
  70. B. Pioscyzk, O. Braz, G. Dammertz, M. Kuntze, G. Michel, A. Möbius, M. Thumm, V.A. Flyagin, V.I. Khishnyak, A.B. Pavelyev, V.E. Zapevalov, "Operating experience with a coaxial gyrotron with a dual RF-beam output," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 11-22
  71. G. Dammertz, O. Braz, M. Kuntze, B. Piosczyk, M. Thumm, A.K. Chopra, "Influence of window reflections on the operation of a gyrotron with quasi-optical mode converter," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 31-40
  72. D. Wagner, G. Gantenbein, W. Kasparek, M. Thumm, T. Idehara, "Complete scattering matrix description of gyrotron oscillators," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 81-90
  73. G. Michel, M. Thumm, D. Wagner, "Design of a quasi-optical mode converter for a coaxial 165 GHz, TE31,17 gyrotron," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 119-128
  74. O. Braz, A. Arnold, H.-R. Kunkel, M. Thumm, "Low power test facilities for optimization of output coupling in high-power gyrotrons," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 135-142
  75. M. Thumm, O. Braz, S. Henry, T. Imai, A.Kasugai, K. Sakamoto, K. Takahashi, M. Tsuneoka, "High power tests on a 170 GHz diamond window," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 175-180
  76. C. Del Rio, A. Möbius, M. Thumm, "Quasi-optical transmission lines for technological gyrotron systems," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 267-276
  77. G. Link, M. Thumm, W. Bauer, H.J. Ritzhaupt-Kleissl, A. Weddigen, R. Böhme, A. Weisenburger, "Activities on millimeter wave sintering of ceramics at FZK," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 283-294
  78. L. Feher, G. Link, A. Möbius, M. Thumm, "THESIS3D-modelling of high temperature millimeter wave and hybrid oven ceramics sintering," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 295-304
  79. M. Thumm, O. Braz, R. Heidinger, S. Henry, R. Spörl, "News about PACVD-diamond for ECRH windows," 4th Int. Workshop on ECRH Transmission Systems, Germantown, MD, USA, 1997, pp. 131-153
  80. K. Sakamoto, T. Imai, A. Kasugai, K. Takahashi, M. Tsuneoka, O. Braz, M. Thumm, "High power mm-wave transmission through CVD diamond window," 4th Int. Workshop on ECRH Transmission Systems, Germantown, MD, USA, 1997, pp. 155-165
  81. G. Michel, M. Thumm, "Advanced techniques for the synthesis of phase correcting mirrors," 4th Int. Workshop on ECRH Transmission Systems, Germantown, MD, USA, 1997, pp. 233-240
  82. D. Wagner, W. Kasparek, G. Gantenbein, H. Zohm, M. Thumm, "Broadband characteristics of HE11 transmission lines," 4th Int. Workshop on ECRH Transmission Systems, Germantown, MD, USA, 1997, pp. 241-264
  83. O. Braz, A. Arnold, H.-R. Kunkel, M. Thumm, "Low power performance tests on highly oversized waveguide components of high power gyrotrons," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 21-22
  84. G. Michel, M. Thumm, D. Wagner, "Design of a quasi-optical mode converter for a coaxial 165 GHz TE31,17 gyrotron," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 25-26
  85. E. Giguet, P. Thouvenin, C. Tran, P. Garin, M. Pain, S. Alberti, M. Q. Tran, M. Thumm, "Status of the 118 GHz 0.5 MW quasi CW gyrotron for Tore Supra and TCV tokamaks," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 104-105
  86. B. Pioscyzk, O. Braz, G. Dammertz, C. T. Iatrou, S. Kern, M. Kuntze, G. Michel, A. Möbius, M. Thumm, V. A. Flyagin, V. I. Khishnyak, A. B. Pavelyev, V. E. Zapevalov, "Operation of a coaxial gyrotron with a dual rf-beam output," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 114-115
  87. R. Heidinger, R. Schwab, R. Spörl, M. Thumm, "Dielectric loss measurements in CVD diamond windows for gyrotrons," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 142-143
  88. O. Braz, M. Thumm, A. Kasugai, K. Sakamoto, K. Takahashi, M. Tsuneoka, T. Imai, "High-power millimeter-wave transmission through CVD diamond," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 144-145
  89. O. Braz, G. Dammertz, M. Kuntze, M. Thumm, "D-band frequency step-tuning of a 1 MW gyrotron using a brewster output window," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 148-149
  90. G. Dammertz, O. Braz, M. Kuntze, B. Piosczyk, M. Thumm, "Influence of window reflections on gyrotron operation," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 150-151
  91. D. Wagner, G. Gantenbein, W. Kasparek, M. Thumm, T. Idehara, "Scattering matrix description of complete gyrotron oscillators," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 156-157
  92. M. Thumm, "Development of output windows for high-power long-pulse gyrotrons," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, Invited Paper, 1997, pp. 379-381
  93. D. Wagner, W. Kasparek, G. Gantenbein, H. Zohm, M. Thumm, "Transmission line design for broadband microwave diagnostic systems," Workshop on Diagnostics for ITER, Varenna, Italy, Sept. 4-12, 1997
  94. L. Feher, G. Link, M. Thumm, "Optimized design of an industrial millimeter wave applicator for homogeneous processing of ceramic charges," 6th Int. Conf. on Microwave and High Frequency Heating, Fermo, Italy, Sept. 9-13, 1997
  95. G. Link, A. Weisenburger, R. Böhme, M. Thumm, "Nanocrystalline oxide ceramics sintered under gyrotron radiation," 6th Int. Conf. on Microwave and High Frequency Heating, Fermo, Italy, Sept. 9-13, 1997
  96. S.C. Zhang, M. Thumm, "Starting current of a 140 GHz/1.5 MW coaxial cavity gyrotron oscillator," Proc. Asia Pacific Microwave Conference, Hongkong, 1997, pp. 341-344
  97. S.C. Zhang, M. Thumm, "A new method for calculating the eigen-frequency of eccentric coaxial cavity," Proc. Asia Pacific Microwave Conference, Hongkong, 1997, pp. 765-768
  98. A. Möbius, O. Braz, "A TE22,6 to TEM0,0 mode converter with non-periodic inner deformations," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 29-30
  99. A. Kasugai, K. Sakamoto, K. Takahashi, M. Tsuneoka, T. Imai, O. Braz, M. Thumm, "High power millimeter wave transmission through CVD diamond," JAERI-Research Report 97-020, Japan Atomic Energy Research Institute, 1997
  100. M. Thumm, "State-of-the-art of high power gyro-devices and free electron masers - Update 1996," FZKA- Report 5877, Forschungszentrum Karlsruhe, 1997
  101. M. Thumm, O. Braz, R. Heidinger, S. Henry, A. Hofmann, M. Makowski, G. Soudée, "ITER ECRF Window Block Design - Final Report," FZKA-Report 5909, Forschungszentrum Karlsruhe, 1997
  102. A. Arnold, "Erweiterung eines Mikrowellennetzwerkanalysators mit einer freqeunzstabilisierten Rückwärtswellenröhre zur Erzielung einer hohen Meßdynamik," FZKA-Report 5901, Forschungszentrum Karlsruhe, 1997

     

  1. M. Thumm, W. Wiesbeck, S. Kern, Hochfrequenzmeßtechnik ó Verfahren und Meßsysteme, Teubner Verlag, Stuttgart, ISBN 3-519-06360-3, 1997                                                                                                                                                                                                                    
  2. J. Haala, T. Zwick, W. Wiesbeck, "Analysis and optimization of microwave heating Appllicators using Finite Difference Time-Domain," 1st Worl Congress on Microwave Processing, Orlando, Florida, USA, January 1997                                                                                                                                        
  3. J. Haala, T. Zwick, W. Wiesbeck, "Analysis and optimization of hybrid absorbers in order to improve the quality of anechoic chambers," Proc. Int. Symposium on EMC´97, Zurich, Switzerland, February 1997, pp. 347-350                                                                                                                                    
  4. J. Haala, T. Zwick, W. Wiesbeck, "Analysis and optimization of hybrid absorbers in order to improve the quality of anechoic chambers," Compliance Engineering 1997, European Edition, Switzerland, Reprint, pp. A77-A82, 1997                                                                                                                             
  5. N. Geng, T. C. Becker, T. Zwick, W. Wiesbeck, "Characterization of urban and indoor radio channels based on 3D ray-optical wave propagation modeling," Commsphere'97, Lausanne, Switzerland, February 11-14, 1997                                                                                                                                         
  6. J. Haala, W. Wiesbeck, "Analysis and optimization of anechoic chambers equipped with ferrite and hybrid absorbers using FIT-FD," Internat. Conference on Antennas and Propagation ICAP´97, Edinburgh, UK, April 14-17, 1997, pp. 130-135                                                                                                                  
  7. F. Rostan, W. Wiesbeck, "Design considerations for aperture coupled microstrip patch phased arrays taking into account mutual coupling effects," Internat. Conference on Antennas and Propagation ICAP´97, Edinburgh, UK, April 14-17, 1997, pp. 1.237-240                                                                                                
  8. M. Döttling, T. Zwick, W. Wiesbeck, "Ray tracing and imaging techniques in urban pico and micro cell wave propagation modelling," Internat. Conference on Antennas and Propagation ICAP´97, Edinburgh, UK, April 14-17,1997, pp. 2.311-315                                                                                                                
  9. F. Küchen, W. Wiesbeck, "Forschung und Entwicklung: Wellenausbreitungsmodelle für Funknetze," Funkschau 7/97, March 14, pp. 82-85, 1997                                                                                                                                                                                                                   
  10. F. Küchen, W. Wiesbeck, "Forschung und Entwicklung: Modellierung von Funkzellen," Funkschau 8/97, March 27, pp. 77-79, 1997                                                                                                                                                                                                                              
  11. K. Schmitt, W. Wiesbeck, "Untersuchung eines interferometrischen SAR-Prozessors unter Vermeidung von Phasenvieldeutigkeiten," Tagungsband des 9. Radarsymposiums der DGON e.V., Stuttgart, April 8-10, 1997, pp. 343-352                                                                                                                                 
  12. D. Löffler, F. Rostan, W. Wiesbeck, "Konforme Antennenkonzepte für den Interferometriesatelliten," DIVA-DARA-ISWG-Workshop, Heidelberg, Germany, April 15-16, 1997, pp. 101-106                                                                                                                                                                          
  13. J. Haala, W. Wiesbeck, "Optimierung von Hybridabsorbern für EMV-Absorberkammern," Proc. Microwellen und Optronik MIOP'97, Sindelfingen, Germany, April 22-24, 1997, pp. 117-121                                                                                                                                                                          
  14. M. Döttling, T. Zwick, W. Wiesbeck, "Application of imaging techniques to urban wave propagation modeling," Proc. Microwellen und Optronik MIOP'97, Sindelfingen, Germany, April 22-24, 1997, pp. 209-212                                                                                                                                                
  15. D. Löffler, G. Gottwald, W. Wiesbeck, "Schneller SDMA-Algorithmus zur Richtdiagrammsynthese zylindrischer phasengesteuerter Arrays," Proc. Microwellen und Optronik MIOP'97, Sindelfingen, Germany, April 22-24, 1997, pp. 226-230                                                                                                                       
  16. J. Parlebas, W. Wiesbeck, "Numerical methods for the full-wave analysis of coplanar elements," Proc. Microwellen und Optronik MIOP'97, Sindelfingen, Germany, April 22-24, 1997, pp. 375-381                                                                                                                                                             
  17. T. Zwick, K. Schmitt, W. Wiesbeck, "Funkkommunikation durch Kraftfahrzeugscheiben," Automobiltechnische Zeitschrift ATZ, vol 99, no 4, pp. 220-226, April 1997                                                                                                                                                                                           
  18. M. Döttling, T. C. Becker, W. Wiesbeck, "Modeling of the DECT outdoor radio channel," Proc. IEEE Vehicular Technology Conference VTC´97, Phoenix, Arizona, USA, May 4-7, 1997, pp. 1947-1951                                                                                                                                                             
  19. F. Küchen, T. Zwick, W. Wiesbeck, "Symbol error rate prediction for mobile receivers in urban single frequency networks," Proc. IEEE International Vehicular Technology Conference VTC´97, Phoenix, Arizona, May 4-7, 1997, pp. 36-40                                                                                                                    
  20. T. J. Cui, C. H. Liang, W. Wiesbeck, "Closed-form solutions for one-dimensional inhomogeneous anisotropic medium in a special case - part I: Direct scattering problem," IEEE Trans. on Antennas and Propagation, vol AP-45, no 6, pp. 936-941, June 1997                                                                                                
  21. T. J. Cui, C. H. Liang, W. Wiesbeck, "Closed-form solutions for one-dimensional inhomogeneous anisotropic medium in a special case - part II: Inverse scattering problem," IEEE Trans. on Antennas and Propagation, vol AP-45, no 6, pp. 942-948, June 1997                                                                                              
  22. M. Döttling, F. Küchen, W. Wiesbeck, "Deterministic modeling of the street canyon effect in urban micro and pico cells," Proc. IEEE Intern. Conference on Communications ICC´97, Montreal, Canada, June 8-12, 1997, pp. 36-40                                                                                                                            
  23. D. Löffler, F. Rostan, W. Wiesbeck, "Conformal microstrip patch array for SDMA applications," Proc. IEEE Antennas and Propagation Soc. Int. Symposium 1997, Montreal, Canada, July 13-18, 1997, pp. 1533-1536                                                                                                                                            
  24. F. Demmerle, S. Kern, W. Wiesbeck, "A bi-conical multibeam antenna for space division multiple access," Proc. IEEE Antennas and Propagation Soc. Int. Symposium 1997, Montreal, Canada, July 13-18, 1997, pp. 1082-1085                                                                                                                                  
  25. K. Schmitt, W. Wiesbeck, "An interferometric SAR processor avoiding phase ambiguities," Proceedings of the International Geoscience and Remote Sensing Symposium IGARSS'97, Singapore, Singapore, August 3-8, 1997, pp 1713-1715                                                                                                                         
  26. T. Kürner, D. J. Cichon, W. Wiesbeck, "The influence of land-usage on UHF wave propagation in the receiver near range," IEEE Transactions on Vehicular Technology , vol 46, no 3, pp. 739-747, August 1997                                                                                                                                               
  27. T. Zwick, M. Döttling, W. Wiesbeck, "Ray-based algorithms and results for wave propagation," Int. Conf. on Electromagnatics in Advanced Applications ICEAA'97, Torino, Italy, September 15-18, 1997, pp. 107-110                                                                                                                                         
  28. D. Löffler, F. Rostan, J. Xia, W. Wiesbeck, "Semi-spherical array for satellite-communication systems using high gain microstrip patch elements," Int. Conf. on Electromagnatics in Advanced Applications ICEAA'97, Torino, Italy, September 15-18, 1997, pp. 429-432                                                                                    
  29. E. Gschwendtner, W. Wiesbeck, "Low-Profile-Antenne am Kraftfahrzeug für DAB im L-Band," Workshop Digitales Radio, Technische Universität Ilmenau, Germany, October 9-10, 1997                                                                                                                                                                            
  30. F. Küchen, W. Wiesbeck, "Untersuchungen zur Approximation der DAB-Symbolfehlerrate aus dem C/I-Verhältnis," Workshop Digitales Radio, Technische Universität Ilmenau, Germany, Oct. 9-10, 1997                                                                                                                                                           
  31. M. Döttling, S. Buonomo, "A review of physical models for last mile wave propagation in land mobile satellite systems," COST 255 Radiowave Propagation Modelling for New SatCom Services at Ku-Band and above, Brussels, Belgium, Oct. 27-29, CP41B04, 1997                                                                                              
  32. T.C. Becker, F. Küchen, W. Wiesbeck, "Effiziente Planungsverfahren für Gleichwellennetze ó Prognose und Verifikation," Rundfunktechnische Mitteilungen, vol 4, pp. 138-148, 1997                                                                                                                                                                         
  33. J. Haala, W. Wiesbeck, "Analysis and optimization of anechoic chambers equipped with ferrrite absorbers using FIT-FD," 19th Symp. AMTA´97, Boston, MA, Nov. 12-17, 1997, pp. 261-266                                                                                                                                                                     
  34. K. Schmitt, W. Wiesbeck, "Three-dimensional imaging using ambiguity free interferometry," Proceedings of the 19th Antenna Measurement Techniques Association (AMTA) Meeting and Symposium, Boston, Massachusetts, USA, Nov. 17-21, 1997, pp. 445-449                                                                                                     
  35. J. v. Hagen, "Wide band electromagnetic coupling to a cavity: an integral representation based model," Forschungsbericht aus dem Institut für Höchstfrequenztechnik und Elektronik der Universität Karlsruhe, Band 15, (Dissertation), ISSN 0942-2935, Nov. 1997                                                                                         
  36. M. Döttling, A. Jahn, H. Ernst, S. Buonomo, "Land mobile satellite propagation channel - a combined deterministic and statistical modelling approach," Proc. Fourth European Conference on Satellite Communications ECSC-4, Rome, Italy, Nov., 18-20, 1997, pp. 182-187                                                                                  
  37. D. Löffler, F. Demmerle, E. Gschwendtner, W. Wiesbeck, "Beurteilung von Modellszenarien für SDMA aus Antennensicht," ITG-Diskussionssitzung: Modellszenarien für Systeme mit intelligenten Antennen, Kaiserslautern, Germany, Dec. 4, 1997                                                                                                               
  38. E. Gschwendtner, D. Löffler, F. Demmerle, "Switched and phased array concepts for SDMA-applications," COST-260 Smart Antennas ó Workshop on Smart Antenna Design and Technology, Dubrovnik, Croatia, Dec. 10-12, 1997, pp. 3.18-3.23                                                                                                                     
  39. E. Steiger, R. Riedlinger, "FDTD-Berechnung von in der Lithotripsie eingesetzten Pulsschallfeldern," 23. Deutsche Jahrestagung für Akustik, Kiel, Germany, March 3-6, 1997 , p. 351                                                                                                                                                                      
  40. E. Steiger, "Scattering of focused strong pressure pulses by spheroids," Int. Symp. on Hydroacoustics and Unltrasonics, Gdynia, Jurata, Poland, May 12-16, 1997, pp. 97-103                                                                                                                                                                              
  41. E. Steiger, "FDTD modeling of biomedically applied strong sound pulse propagation," Journal of the Acoustical Society of America, vol 101, no 5, p. 3138 May, 1997                                                                                                                                                                                       
  42. E. Steiger, E. H. Marlinghaus, "Modeling the Storz MODULITH SL 10 shock wave lithotriptor," 2nd World Congress on Ultrasonics, Yokohama, Japan, August 24-27, 1997, p. 490                                                                                                                                                                               
  43. E. Steiger, "FD-TD-modeling of propagation of high energy sound pulses in lithotripter-tissue-arrangements," Proceedings IEEE Int. Ultrasonics Symp.'97, Toronto, Canada, October 5-8, 1997                                                                                                                                                              
  44. R. T. Pötzschke, A. Froese, W. Wiesbeck, G. Staikov, W.J. Lorenz, "Electrocrystallization of Metals on High Tc Superconductor and Semiconductor Surfaces," Proceedings of the Third Symposium on Electrochemically deposited Thin Films, 190th Meeting of the Electrochemical Society, vol 96-19, Pennington, NJ, USA, 1997, pp. 21-32                    
  45. G. Staikov, M. Nold, W.J. Lorenz, A. Froese, R. Speck, W. Wiesbeck, M. Breiter, "Effect of grain boundaries on the low-temperature ionic conductivity of polycrystalline RbAg4I5 and Ag3SBr,"Solide State Ionics 93, pp. 85-93, 1997                                                                                                                     
  46. M. Thumm, "Modes and mode conversion in microwave devices, in Generation and Application of High Power Microwaves," P.A. Cairns and A.D.R. Phelps, eds., Institute of Physics Publishing, Bristol, 1997                                                                                                                                                  
  47. M. Thumm, "Applications of high-power microwave devices, in Generation and Application of High Power Microwaves," P.A. Cairns and A.D.R. Phelps, eds., Institute of Physics Publishing, Bristol, 1997                                                                                                                                                    
  48. M. Thumm,, ed.: Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997                                                                                                                                                                                                                                       
  49. L. Feher, G. Link, M. Thumm, "Hochmodiger Mikrowellenresonator für die Hochtemperaturbehandlung von Werkstoffen," DE196 33 245 C1, Nov. 27, 1997                                                                                                                                                                                                         
  50. A. Arnold, O. Braz, H.-R. Kunkel, M. Thumm, "Vektorieller Netzwerkanalysator mit hoher Dynamik im Bereich 70-190 GHz," Erfindungsmeldung 59/97, Oct . 14, 1997                                                                                                                                                                                           
  51. M. Thumm, "Present developments and status of electron sources for high power gyrotron tubes and free electron masers," Applied Surface Science,vol 111, pp. 106-120, 1997                                                                                                                                                                               
  52. M. Thumm, E. Borie, O. Braz, G. Dammertz, M. Kuntze, B. Pioscyzk, "Fortschrittliche Gyrotrons für Hochleistungs-Mikrowellen-Heizsysteme zur Zündung von Fusionsreaktoren," Nachrichten - Forschungszentrum Karlsruhe, vol 29, pp. 31-42, 1997                                                                                                            
  53. B. Piosczyk, O. Braz, G. Dammertz, C.T. Iatrou, S. Kern, M. Kuntze, A. Möbius, M. Thumm, V.A. Flyagin, V.I. Khishnyak, V.I. Malygin, A.B. Pavelyev, V.E. Zapevalov, "A 1.5-MW, 140-GHz, TE28,16-coaxial cavity gyrotron," IEEE Trans. on Plasma Sciences, PS vol 25, pp. 460-469 ,1997                                                                   
  54. C. T. Iatrou, O. Braz, G. Dammertz, S. Kern, M. Kuntze, B. Piosczyk, M. Thumm, "Design and experimental operation of a 165-GHz, 1.5-MW, coaxial-cavity gyrotron with axial rf output," IEEE Trans. on Plasma Sciences, PS vol 25, pp. 470-479 ,1997                                                                                                       
  55. M. Pain, P. Garin, M.Q. Tran, S. Alberti, M. Thumm, O. Braz, E. Giguet, P. Thouvenin, C. Tran ,"Status of the 118 GHz - quasi CW gyrotron for the Tore Supra and TCV tokamaks," Fusion Technology 1996, eds. C. Varandas, F. Serra, Elsevier Science Publishers B.V., pp. 533-536, 1997                                                                  
  56. B. Piosczyk, E. Borie, O. Braz, G. Dammertz, C.T. Iatrou, S. Illy, S. Kern, M. Kuntze, M.V. Kartikeyan, G. Michel, A. Möbius, M. Thumm, "Advanced high power gyrotrons for ECW application," Fusion Technology 1996, eds. C. Varandas, F. Serra. Elsevier Science Publishers B.V., pp. 545-548, 1997                                                     
  57. O. Braz, G. Dammertz, M. Kuntze, M. Thumm, "D-band frequency step-tuning of a 1ÊMW gyrotron using a Brewster output window," Int. J. Infrared and Millimeter Waves, vol 18, pp. 1465-1477, 1997                                                                                                                                                          
  58. O. Braz, A. Kasugai, K. Sakamoto, K. Takahashi, M. Tsuneoka, T. Imai, M. Thumm, "High power 170 GHz test of CVD diamond for ECH window," Int. J. Infrared and Millimeter Waves, vol 18, pp. 1495-1503, 1997                                                                                                                                              
  59. G. Link, A. Weisenburger, R. Böhme, G. Schumacher, M. Thumm, "MM-wave sintering of nanocrystalline oxide ceramics," 1st World Conf. on Microwave Processing, Lake Buena Vista, Florida, January 5-9, 1997                                                                                                                                                
  60. G. Link, W. Bauer, A. Weddigen, H.-J. Ritzhaupt-Kleissl, M. Thumm, "MM-wave processing of ceramics," 1st World Congress on Microwave Processing , Lake Buena Vista, Florida, January 5-9, 1997                                                                                                                                                           
  61. L. Feher, G. Link, M. Thumm, "Ray tracing modeling for large millimeter-wave resonators and material processing," 1st World Congress on Microwave Processing, Lake Buena Vista, Florida , January 5-9, 1997                                                                                                                                              
  62. M. Thumm, "Recent development of high power gyrotrons and windows for EC wave applications," Proc. 12th Topical Conf. on Radio Frequency Power in Plasmas, AIP Conference Proceedings 403 (Invited), Savannah, Georgia, USA, 1997, pp. 183-190                                                                                                           
  63. B. Piosczyk, O. Braz, G. Dammertz, C.T. Iatrou, S. Kern, M. Kuntze, G. Michel, A. Möbius, M. Thumm, V.A. Flyagin, V.I. Kishnyak, A.B. Pavelyev, V.E. Zapevalov, "Coaxial cavity gyrotron with dual rf-beam output," 10th Joint Workshop on Electron Cyclotron Emission & Electron Cyclotron Resonance Heating, Ameland, The Netherlands , April 6-11, 1997
  64. G. Dammertz, O. Braz, M. Kuntze, B. Piosczyk, M. Thumm, "Step-tunable 1 MW broadband gyrotron with Brewster window," 10th Joint Workshop on Electron Cyclotron Emission & Electron Cyclotron Resonance Heating, Ameland, The Netherlands, April 6-11, 1997                                                                                               
  65. M. Thumm, O. Braz, G. Dammertz, C.T. Iatrou, S. Kern, M. Kuntze, G. Michel, A. Möbius, B. Piosczyk, "1.2 MW coaxial cavity gyrotrons in the frequency range 115-170 GHz," Proc. 9th Microwave and Optronics Conference (MIOP'97), Sindelfingen, 1997, pp. 96-100                                                                                         
  66. G. Link, L. Feher, A. Möbius, M. Thumm, "Improved design of an industrial millimeterwave installation for materials processing," Proc. 9th Microwave and Optronics Conference (MIOP'97), Sindelfingen, 1997, pp. 101-105                                                                                                                                 
  67. H. E.Häfner, P. Norajitra, M. Thumm, "High power windows for millimeter wave transmission," Proc. Annual Meeting on Nuclear Technology, Aachen, 1997, pp. 558-561                                                                                                                                                                                         
  68. L. Feher, M. Thumm, "Advanced modelling and simulation of millimeter-waves ceramics sintering with the THESIS3D-Code," Proc. 2nd European Workshop on Microwave Processing of Materials, Karlsruhe, 1997, pp. 19-20                                                                                                                                      
  69. G. Link, M. Thumm, W. Bauer, H.-J. Ritzhaupt-Kleissl, A. Weddigen, R. Böhme, A. Weisenburger, "Investigations on millimeterwave sintering at Forschungszentrum Karlsruhe," Proc. 2nd European Workshop on Microwave Processing of Materials, Karlsruhe, 1997, pp. 21-22                                                                                  
  70. B. Pioscyzk, O. Braz, G. Dammertz, M. Kuntze, G. Michel, A. Möbius, M. Thumm, V.A. Flyagin, V.I. Khishnyak, A.B. Pavelyev, V.E. Zapevalov, "Operating experience with a coaxial gyrotron with a dual RF-beam output," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 11-22                      
  71. G. Dammertz, O. Braz, M. Kuntze, B. Piosczyk, M. Thumm, A.K. Chopra, "Influence of window reflections on the operation of a gyrotron with quasi-optical mode converter," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 31-40                                                                   
  72. D. Wagner, G. Gantenbein, W. Kasparek, M. Thumm, T. Idehara, "Complete scattering matrix description of gyrotron oscillators," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 81-90                                                                                                             
  73. G. Michel, M. Thumm, D. Wagner, "Design of a quasi-optical mode converter for a coaxial 165 GHz, TE31,17 gyrotron," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 119-128                                                                                                                      
  74. O. Braz, A. Arnold, H.-R. Kunkel, M. Thumm, "Low power test facilities for optimization of output coupling in high-power gyrotrons," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 135-142                                                                                                     
  75. M. Thumm, O. Braz, S. Henry, T. Imai, A.Kasugai, K. Sakamoto, K. Takahashi, M. Tsuneoka, "High power tests on a 170 GHz diamond window," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 175-180                                                                                                 
  76. C. Del Rio, A. Möbius, M. Thumm, "Quasi-optical transmission lines for technological gyrotron systems," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 267-276                                                                                                                                  
  77. G. Link, M. Thumm, W. Bauer, H.J. Ritzhaupt-Kleissl, A. Weddigen, R. Böhme, A. Weisenburger, "Activities on millimeter wave sintering of ceramics at FZK," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 283-294                                                                               
  78. L. Feher, G. Link, A. Möbius, M. Thumm, "THESIS3D-modelling of high temperature millimeter wave and hybrid oven ceramics sintering," Proc. 9th Joint Russian-German Meeting on ECRH and Gyrotrons, Karlsruhe, Stuttgart, Garching, 1997, pp. 295-304                                                                                                     
  79. M. Thumm, O. Braz, R. Heidinger, S. Henry, R. Spörl, "News about PACVD-diamond for ECRH windows," 4th Int. Workshop on ECRH Transmission Systems, Germantown, MD, USA, 1997, pp. 131-153                                                                                                                                                                 
  80. K. Sakamoto, T. Imai, A. Kasugai, K. Takahashi, M. Tsuneoka, O. Braz, M. Thumm, "High power mm-wave transmission through CVD diamond window," 4th Int. Workshop on ECRH Transmission Systems, Germantown, MD, USA, 1997, pp. 155-165                                                                                                                     
  81. G. Michel, M. Thumm, "Advanced techniques for the synthesis of phase correcting mirrors," 4th Int. Workshop on ECRH Transmission Systems, Germantown, MD, USA, 1997, pp. 233-240                                                                                                                                                                         
  82. D. Wagner, W. Kasparek, G. Gantenbein, H. Zohm, M. Thumm, "Broadband characteristics of HE11 transmission lines," 4th Int. Workshop on ECRH Transmission Systems, Germantown, MD, USA, 1997, pp. 241-264                                                                                                                                                 
  83. O. Braz, A. Arnold, H.-R. Kunkel, M. Thumm, "Low power performance tests on highly oversized waveguide components of high power gyrotrons," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 21-22                                                                                                          
  84. G. Michel, M. Thumm, D. Wagner, "Design of a quasi-optical mode converter for a coaxial 165 GHz TE31,17 gyrotron," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 25-26                                                                                                                                   
  85. E. Giguet, P. Thouvenin, C. Tran, P. Garin, M. Pain, S. Alberti, M. Q. Tran, M. Thumm, "Status of the 118 GHz 0.5 MW quasi CW gyrotron for Tore Supra and TCV tokamaks," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 104-105                                                                           
  86. B. Pioscyzk, O. Braz, G. Dammertz, C. T. Iatrou, S. Kern, M. Kuntze, G. Michel, A. Möbius, M. Thumm, V. A. Flyagin, V. I. Khishnyak, A. B. Pavelyev, V. E. Zapevalov, "Operation of a coaxial gyrotron with a dual rf-beam output," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 114-115                
  87. R. Heidinger, R. Schwab, R. Spörl, M. Thumm, "Dielectric loss measurements in CVD diamond windows for gyrotrons," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 142-143                                                                                                                                                                                                                                                                                                                                                                                                                                                                                           
  88. O. Braz, M. Thumm, A. Kasugai, K. Sakamoto, K. Takahashi, M. Tsuneoka, T. Imai, "High-power millimeter-wave transmission through CVD diamond," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 144-145                                                                                                     
  89. O. Braz, G. Dammertz, M. Kuntze, M. Thumm, "D-band frequency step-tuning of a 1 MW gyrotron using a brewster output window," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 148-149                                                                                                                       
  90. G. Dammertz, O. Braz, M. Kuntze, B. Piosczyk, M. Thumm, "Influence of window reflections on gyrotron operation," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 150-151                                                                                                                                   
  91. D. Wagner, G. Gantenbein, W. Kasparek, M. Thumm, T. Idehara, "Scattering matrix description of complete gyrotron oscillators," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 156-157                                                                                                                     
  92. M. Thumm, "Development of output windows for high-power long-pulse gyrotrons," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, Invited Paper, 1997, pp. 379-381                                                                                                                                                      
  93. D. Wagner, W. Kasparek, G. Gantenbein, H. Zohm, M. Thumm, "Transmission line design for broadband microwave diagnostic systems," Workshop on Diagnostics for ITER, Varenna, Italy, Sept. 4-12, 1997                                                                                                                                                      
  94. L. Feher, G. Link, M. Thumm, "Optimized design of an industrial millimeter wave applicator for homogeneous processing of ceramic charges," 6th Int. Conf. on Microwave and High Frequency Heating, Fermo, Italy, Sept. 9-13, 1997                                                                                                                        
  95. G. Link, A. Weisenburger, R. Böhme, M. Thumm, "Nanocrystalline oxide ceramics sintered under gyrotron radiation," 6th Int. Conf. on Microwave and High Frequency Heating, Fermo, Italy, Sept. 9-13, 1997                                                                                                                                                 
  96. S.C. Zhang, M. Thumm, "Starting current of a 140 GHz/1.5 MW coaxial cavity gyrotron oscillator," Proc. Asia Pacific Microwave Conference, Hongkong, 1997, pp. 341-344                                                                                                                                                                                    
  97. S.C. Zhang, M. Thumm, "A new method for calculating the eigen-frequency of eccentric coaxial cavity," Proc. Asia Pacific Microwave Conference, Hongkong, 1997, pp. 765-768                                                                                                                                                                               
  98. A. Möbius, O. Braz, "A TE22,6 to TEM0,0 mode converter with non-periodic inner deformations," Proc. 22nd Int. Conf. on Infrared and Millimeter Waves, Wintergreen, Virginia, USA, 1997, pp. 29-30                                                                                                                                                        
  99. A. Kasugai, K. Sakamoto, K. Takahashi, M. Tsuneoka, T. Imai, O. Braz, M. Thumm, "High power millimeter wave transmission through CVD diamond," JAERI-Research Report 97-020, Japan Atomic Energy Research Institute, 1997                                                                                                                                
  100. M. Thumm, "State-of-the-art of high power gyro-devices and free electron masers - Update 1996," FZKA- Report 5877, Forschungszentrum Karlsruhe, 1997                                                                                                                                                                                                     
  101. M. Thumm, O. Braz, R. Heidinger, S. Henry, A. Hofmann, M. Makowski, G. Soudée, "ITER ECRF Window Block Design - Final Report," FZKA-Report 5909, Forschungszentrum Karlsruhe, 1997                                                                                                                                                                       
  102. A. Arnold, "Erweiterung eines Mikrowellennetzwerkanalysators mit einer freqeunzstabilisierten Rückwärtswellenröhre zur Erzielung einer hohen Meßdynamik," FZKA-Report 5901, Forschungszentrum Karlsruhe, 1997