Vacuum electronic high power terahertz sources

IEEE Transactions on Terahertz Science and Technology

Volumn 1, Issue 1, 2011, Pages 54-75

  Booske, John H ^a   Dobbs, Richard J ^b   Joye, Colin D ^c   Kory, Carol L ^d   Neil, George R ^e   Park, Gun Sik ^f   Park, Jaehun ^g   Temkin, Richard J ^h  

^a University of Wisconsin Madison   (United States)

^b CPI Canada   (Canada)

^c NAVAL RESEARCH LABORATORY   (United States)

^d Teraphysics Corporation   (United States)

^e THOMAS JEFFERSON NATIONAL ACCELERATOR FACILITY   (United States)

^f Seoul National University   (South Korea)

^g Pohang University of Science and Technology (POSTECH)   (South Korea)

^h MASSACHUSETTS INSTITUTE OF TECHNOLOGY   (United States)

Author keywords

High power terahertz (THz) radiation; terahertz (THz); vacuum electronic devices

Indexed keywords

BEAM-WAVE INTERACTIONS; COHERENT RADIATION; ELECTROMAGNETIC MODES; FABRICATION METHOD; HIGH-POWER; MAGNET TECHNOLOGY; MODE CONTROL; ORDERS OF MAGNITUDE; OUTPUT RADIATION; RESEARCH AND DEVELOPMENT; TERAHERTZ; TERAHERTZ RADIATION; TERAHERTZ SOURCES; VACUUM ELECTRONIC DEVICES; VACUUM ELECTRONICS;

ELECTRON BEAMS; THERMOELECTRIC EQUIPMENT; VACUUM;

TERAHERTZ WAVES;

EID: 80052490329     PISSN: 2156342X     EISSN: None     Source Type: Journal    
DOI: 10.1109/TTHZ.2011.2151610     Document Type: Article

References (204)

1. P. H. Siegel, "Terahertz technology," IEEE Trans. Microw. Theory Techn., vol. 50, pp. 910-928, 2002. (Pubitemid 34255210)
2. P. H. Siegel, "Terahertz technology in biology and medicine," IEEE Trans. Microw. Theory Techn., vol. 52, no. 10, pp. 2438-2447, 2004.
3. J. H. Booske, "Plasma physics and related challenges of millimeter- wave-to-terahertz and high power microwave generation," Phys Plasmas, vol. 15, no. 055502, pp. 1-16, 2008.
4. W. B. Colson, E. D. Johnson, M. J. Kelley, and H. A. Schwettman, "Putting free electron lasers to work," Phys. Today, vol. 55, pp. 35-41, 2002. (Pubitemid 34090615)
5. D. L.Woolard, E. R. Brown, M. Pepper, and M. Kemp, "Terahertz frequency sensing and imaging:Atime of reckoning future applications?," Proc. IEEE, vol. 93, no. 10, pp. 1722-1743, Oct. 2005. (Pubitemid 41417084)
6. R. L. Ives, "Microfabrication of high-frequency vacuum electron devices," IEEE Trans. Plasma Sci., vol. 32, no. 3, pt. 1, pp. 1277-1291, Jun. 2004.
7. D. Van der Weide, "Opt. Photonics news," Applications and Outlook for Electronic Terahertz Technol., vol. 14, pp. 48-53, 2003.
8. E. Linfield, "THz applications: A source of fresh hope?," Nature Photon., vol. 1, pp. 257-258, 2007.
9. B. S. Williams, "Terahertz quantum-cascade lasers," Nature Photon., vol. 1, pp. 517-525, 2007.
10. R. J. Barker, J. H. Booske, N. C. Luhmann, and G. S. Nusinovich, Modern Microwave and Millimeter-Wave Power Electron. Piscataway, NJ: IEEE, 2005.
11. R. J. Trew, "High-frequency solid-state electronic devices," IEEE Trans. Electron Devices, vol. 52, no. 5, pp. 638-649, May 2005. (Pubitemid 40690874)
12. R. K. Parker, R. H. Abrams, Jr, B. Danly, and B. Levush, "Vacuum electronics," IEEE Trans. Microw. Theory Techn., vol. 50, no. 3, pp. 835-845, Mar. 2002. (Pubitemid 34255204)
13. J. D. Jackson, Classical Electrodynamics, 3rd ed. New York: Wiley, 1999, ch. 14.
14. C. A. Balanis, Advanced Engineering Electromagnetics. New York: Wiley, 1989.
15. A. S. Gilmour, Jr, Principles of Traveling Wave Tubes. Boston, MA: Artech House, 1994.
16. R. Kompfner and N. T. Williams, "Backward wave tubes," Proc. IRE, vol. 41, no. 11, pp. 1602-1611, Nov. 1953.
17. G. Kantorowicz and P. Palluel, "Backwards wave oscillators," in Infrared and Millimeter Waves, K. J. Button, Ed. New York: Academic, 1979, vol. 1, ch. 4, pp. 185-212.
18. H. R. Johnson, "Backward-wave oscillators," Proc. IRE, no. 6, pp. 684-697, Jun. 1955.
19. J. W. Gewartowski and H. A. Watson, Principles of Electron Tubes. Princeton, NJ: Van Nostrand, 1965.
20. V. Kuligin, G. Kuligina, and M. Korneva, Problems of Microwave Vacuum Electronics. : Izvestiya Nauk, 2006.
21. V. A. Kuligin, G. A. Kuligina, and M. V. Korneva, Phase Velocity, Group Velocity and Velocity of Energy Transfer. : NiT, 2002.
22. L. R. Barnett, J. M. Baird, R. W. Grow, and S. G. Holmes, "In 1985 international electron devices meeting technical digest," in IEEE, NJ, 1985, pp. 13.7-13.8.
23. G. Y. Levin, S. A. Churilova, A. Y. Kirichenko, L. M. Buzik, and S. N. Terekhin, "The Clinotron," Patent 2017260, 1991.
24. S. Manzhos, K. Schünemann, S. Sosnitsky, and D. Vavriv, "Clinotron: A promising source for THz regions," J. Radio Phys. and Radio Astr., vol. 5, no. 3, pp. 265-273, 2000.
25. F. S. Rusin and G. D. Bogomolov, "Generation of electromagnetic oscillations in an open resonator," JETP Lett., vol. 4, pp. 160-162, 1966.
26. V. L. Bratman, V. A. Gintsburg, Y. A. Grishin, B. S. Dumesh, F. S. Rusin, and A. E. Fedotov, "Pulsed wideband orotrons of millimeter and submillimeter waves," Rad. Quant. Elec., vol. 49, pp. 866-871, 2006. (Pubitemid 46566181)
27. P. M. Phillips, "Planar Orotron: A tunable grating-based free electron laser," Ph.D. dissertation, Dept. Physics, Dartmouth College, Hanover, NH, 1987.
28. E. M. Marshall, P. M. Phillips, and J. E. Walsh, "Planar orotron experiments in the millimeter wavelength band," IEEE Trans. Plasma Sci., vol. 16, no. 2, pp. 199-205, Apr. 1988. (Pubitemid 18639941)
29. A. V. Galdetskiy, I. I. GOlenitskiy, V. U. Myakinkov, A. A. Negirev, and U. B. Rudy, "On power consumption reduction in 700 GHzBWO," in Conf. Dig. IEEE Intl. Vac. Elec. Conf., Bangalore, India, Feb. 2011, pp. 57-58.
30. Microtech Instruments, Inc. [Online]. Available: Http://www. mtinstruments. com/thzsources/index.htm, Accessed Apr. 23, 2011
31. Website of Microwave Electronics Department National Academy of Science of Ukraine [Online]. Available: Http://radar.kharkov.com/ clinotrons.html, Accessed Apr. 23, 2011
32. Y. Y. Lysenko, O. F. Pishko, V. G. Chumak, and S. A. Churilova, "State of the development of CW clinotrons," Foreign Electronics, vol. 8, pp. 3-13, 2004.
33. A. Dobroiu, M. Yamashita, Y. N. Ohshima, Y. Morita, C. Otani, and K. Kawase, "Terahertz imaging system based on a backward-wave oscillator," Appl. Opt., vol. 43, pp. 5637-5646, 2004.
34. B. Gompf, N. Gebert, H. Heer, and M. Dressel, "Polarization contrast terahertz-near-field imaging of anisotropic conductors," Appl. Phys. Lett., vol. 90, no. 082104, pp. 1-3, Feb. 2007.
35. G. A. Blake, K. B. Laughlin, R. C. Cohen, K. L. Busarow, D.-H. Gwo, D. A. Schmuttenmaer, D. W. Stevert, and R. J. Saykally, "Tunable far infrared laser spectrometers," Rev. Sci. Instrum., vol. 62, pp. 1693-1700, Jul. 1991.
36. B. Gorshunov, A. Volkov, I. Spektor, A. Prokhorov, A. Mukhin, M. Dressel, S. Uchida, and A. Loidl, "Terahertz BWO spectroscopy," Int. J. Infrared Millimeter Waves, vol. 26, pp. 1217-1240, Aug. 2005.
37. G. Kozlov and A. Volkov, "Coherent source submillimeter wave spectroscopy," in Millimeter and Submillimeter Wave Spectroscopy of Solids, G. Grüner, Ed. Berlin, Germany: Springer-Verlag, 1998, vol. 74, pp. 51-110.
38. B. Gompf and M. Dressel, "THZ-micro-spectroscopy," IEEE J. Sel. Top. Quantum Electron., vol. 14, no. 2, pp. 470-475, Mar./Apr. 2008. (Pubitemid 351506312)
39. A. V. Pronin, Y. G. Goncharov, T. Fischer, and J. Wosnitza, "Phase sensitive terahertz spectroscopy with backward-wave oscillators in reflection mode," Rev. Sci. Instrum., vol. 80, no. 123904, pp. 1-5, 2009.
40. S. L. Dexheimer, Terahertz Spectroscopy: Principles and Applications. Boca Raton, FL: CRC Press, 2007.
41. A. Roitman, D. Berry, M. Hyttinen, and B. Steer, "Sub-millimeter waves from a compact, low voltage extended interaction klystron," in Conf. Rec. IRMMW-THz 2007, Cardiff, U.K., Sep. 2007, pp. 892-894.
42. B. Steer, "Millimeter-wave extended interaction klystrons," in Program Book IEEE MTT Int. Microw. Symp., Workshop on Millimeter-Wave Power Amplifier Technol.: Power, Linearity and Efficiency, Workshop WMD, Atlanta, GA, Jun. 2008, p. 81.
43. M. Hyttinen, P. Horoyski, and A. Roitman, "Ka-band extended interaction klystrons (EIKs) for satellite communication equipment," in Conf. Dig. 3rd IEEE Int. Vacuum Electron. Conf., Monterey, CA, Apr. 2002, pp. 320-321.
44. R. Dobbs, M. Hyttinen, B. Steer, and A. Soukhov, "Rugged and efficient Ka-band extended interaction klystrons for satellite communication systems," in Conf. Dig. 8th IEEE Int Vacuum Electron. Conf., Kitakyushu, Japan, May 2007, pp. 107-108.
45. D. Berry, P. Horoyski, A. Roitman, M. Hyttinen, and B. Steer, "Millimeter-wave amplifiers of medium power: Extended interaction klystrons," in Inst. Appl. Phys. Conf. Proc. 7th Int.Workshop on Strong Microw.: Sources Appl., Nizhny Novogorod, Russia, 2008.
46. B. Steer, "Extended interaction klystrons for space-borne applications," in Conf. 6th IEEE Int. Vacuum Electron., Noordwijk, Netherlands, Apr. 2005, Paper 3.1-4.
47. R. Dobbs, A. Roitman, P. Horoyski, P. Hyttinen, D. Sweeney, D. Chernin, M. Blank, N. Barker, J. Booske, E. Wright, J. Calame, and O. Makarova, "Fabrication techniques for a THZ EIK," in Conf. Dig. 11th IEEE Int. Vacuum Electronics, Monterey, CA, 2010.
48. R. Dobbs, A. Roitman, P. Horoyski, M. Hyttinen, D. Sweeney, B. Steer, K. Nguyen, E. Wright, D. Chernin, A. Burke, J. Calame, B. Levush, N. S. Barker, J. Booske, and M. Blank, "Design and fabrication of terahertz extended interation klystrons," in Conf. Dig. 35th IRMMW-THz, Rome, Italy, Sep. 2010, Paper Tu-F2.1.
49. R. L. Ives, L. R. Falce, G. Collins, D. Marsden, G. Miram, S. Schwartkopf, and B. Smith, "High current density, reservoir cathodes for high frequency applications," in Conf. Dig. 35th IRMMW-THz 2010, Tu-F2.2, Rome, Italy, Sep. 2010.
50. R. Kompfner, "The invention of the traveling-wave tube," IEEE Trans. Electron Devices, vol. ED-23, no. 7, pp. 730-738, Jul. 1976.
51. N. E. Lindenblad, "Electron discharge device system," U.S. Patent 2 300 052, Oct. 27, 1942.
52. J. R. Pierce, Travelling Wave Tubes. New York: Van Nostrand, 1950.
53. S. Bhattacharjee, J. H. Booske, C. L. Kory, D. W. van der Weide, S. Limbach, S. Gallagher, J. D. Welter, M. R. Lopez, R. M. Gilgenbach, R. L. Ives, M. E. Read, R. Divan, and D. C. Mancini, "Folded waveguide traveling-wave tube sources for terahertz radiation," IEEE Trans. Plasma Sci., vol. 32, no. 3, pp. 1002-1014, Jun. 2004.
54. K. E. Kreischer, J. C. Tucek, D. A. Gallagher, and R. E. Mihailovich, "Operation of a compact, 0.65 THz source," in Proc. 33rd Int. Conf. on Infrared, Millimeter and Terahertz Waves, Pasadena, CA, 2008.
55. P. Gao, J. H. Booske, and Y. Z. Yang, "Frequency step-tuning characteristics of traveling-wave tube regenerative oscillators," IEEE Trans. Electron Devices, vol. 57, no. 5, pp. 1152-1159, May 2010.
56. J. Cai, J. Feng, Y. Hu, and P. Wu, "Investigation of THz regenerative oscillator," in Proc. Int. Vacuum Electron. Conf. (IVEC), 2010, pp. 323-324.
57. J. Tucek, M. Basten, D. Gallagher, and K. Kreischer, "Sub-millimeter and THz power amplifier development at Northrop Grumman," in Proc. Int. Vacuum Electron. Conf. (IVEC), 2010, pp. 19-20.
58. J. D. Albrecht, M. J. Rosker, H. B. Wallace, and T.-H. Chang, "THz electronics projects at DARPA: Transistors, TMICs and amplifiers," in IEEE MTT-S Int. Microwave Symp. Dig. (MTT), 2010, pp. 1118-1121.
59. A. D. Carlo, C. Paoloni, F. Brunetti, M. L. Terranova, A. Durand, R. Marchesin, K. Pham, V. Krozer, A. Fiorello, M. Dispenza, D. Pribat, S. Megtert, J. P. Schnell, P. Guiset, P. Legagneux, D. Dolfi, and A. de Rossi, "The European project OPTHER for the development of a THz tube amplifier," in Proc. Int. Vacuum Electron. Conf. (IVEC), 2009, pp. 100-101.
60. A. D. Carlo, F. Brunetti, C. S. Cojocarua, D. Dolfi, M. Dispenza, A. de Rossi, P. Guiset, P. Lagagneux, J. P. Schnell, C. Paoloni, M. Mineo, G. Ulisse, E. Tamburri, M. L. Terranova,A. Gohier,A.M. Fiorello, A. Durand, R. Marchesin, K. Pham, M. Korantia, V. Krozer, V. Zhurbenko, A. Secchi, S. Megtert, and F. Bouamrane, "European research on THz vacuum amplifiers," in The 35th Int. Conf. on Infrared, Millimeter and THz Waves (IRMMW-THz 2010).
61. P. Guiset, S. Combrie, T. Antoni, M. Carras, A. D. Rossi, J. P. Schnell, and P. Legagneux, "Optically driven field emission array for THz amplifiers," in Proc. IEEE Int. Vacuum Electron. Conf. (IVEC), 2009, pp. 325-326.
62. M. Mineo, C. Paoloni, D. Bariou, J.-F. David, and A. Durand, "Design method for double corrugation rectangular waveguide THz vacuum amplifiers," in Proc. Int. Vacuum Electron. Conf. (IVEC), 2010, pp. 325-326.
63. M. Mineo and C. Paoloni, "Double-corrugated rectangular waveguide slow-wave structure for terahertz vacuum devices," IEEE Trans. on Electron Devices, vol. 57, no. 11, pp. 3169-3175, 2010.
64. C. L. Kory, M. Read, R. L. Ives, D. Marsden, J. Booske, G. Venkataramanan, S. Sengele, J. Stokdyk, and S. Gupta, "650 GHz traveling wave tube amplifier," in Proc. IRMMW-THz-2008: 33rd Int. Conf. on Infrared, Millimeter and Terahertz Waves, Sep. 16, 2008.
65. J. Dayton, Jr, C. Kory, G. Mearini, D. Malta, M. Lueck, and K. Gilchrist, "Applying microfabrication to helical vacuum electron devices for THz applications," in Proc. IEEE Int. Vacuum Electron. Conf. (IVEC), 2009.
66. J. A. Dayton and C. L. Kory, "High Frequency Helical Amplifier and Oscillator," US Patent Application #0272698, Feb. 21, 2008.
67. M. Kotiranta, V. Krozer, and V. Zhurbenko, "Square helix TWT for THz frequencies," in The 35th Int. Conf. on Infrared, Millimeter and THz Waves (IRMMW-THz 2010), 2010.
68. C. Kory, R. L. Ives, M. Read, P. Phillips, J. Booske, S. Bhattacharjee, J. Welter, M. Genack, H. Jiang, D. van der Weide, S. Limbach, and P. Borchard, "Novel TWT interaction circuits for high frequency applications," in Proc. IEEE Int. Vacuum Electron. Conf. (IVEC), 2004.
69. S. K. Datta, L. Kumar, and B. N. Basu, "Equivalent circuit analysis of a planar helix slow-wave structure for application in high frequency traveling-wave tubes," in 35th Int. Conf. on Infrared Millimeter and Terahertz Waves (IRMMW-THz), 2010, pp. 1-2.
70. J. D. Wilson, C. T. Chevalier, K. R. Vaden, D. P. Starinshak, and C. L. Kory, "Electromagnetic field shaping for efficiency enhancement in terahertz folded-waveguide traveling-wave tube slow-wave circuit design," in Proc. IEEE Int. Vacuum Electron. Conf. (IVEC), 2007.
71. G.-S. Park and J. K. So, "THz microfabricated vacuum electronic devices using photonic concepts," in The 35th Int. Conf. on Infrared, Millimeter and THz Waves (IRMMW-THz 2010), 2010.
72. D. Starinshak and J. D. Wilson, Investigating Dielectric and Metamaterial Effects in a THz Traveling Wave Tube Amplifier. : NASA TM 215059, 2008.
73. G. Ulisse, F. Brunetti, and A. Di Carlo, "Design of an electron gun with FEA cathode for THz devices," in 22nd Int. Vacuum Nanoelectronics Conf., 2009, pp. 225-226.
74. M. Read, C. Kory, G.Miram, R. L. Ives, and J. Booske, "Beam generation and transport for a THzTWT," in Proc. IEEE Int. Vacuum Electron. Conf. (IVEC), 2006, pp. 49-50.
75. J.Wang, Y.Wang, L. Li, Y.Wang, W. Liu, A. Srivastava, J. K. So, and G. S. Park, "Generation and application of high current density sheet beams for THz vacuum electron sources," in Joint 32nd Int. Conf. on Infrared and Millimeter Waves, 2007 and the 2007 15th Int. Conf. on Terahertz Electron., (IRMMW-THz), 2007, pp. 260-261.
76. P. Pengvanich, D. Chernin, Y. Y. Lau, J. W. Luginsland, and R. M. Gilgenbach, "Effect of random circuit fabrication errors on small-signal gain and phase in traveling-wave tubes," IEEE Trans. Electron Devices, vol. 55, no. 3, pp. 916-924, Mar. 2008. (Pubitemid 351404553)
77. A. V. Aksenchyk, A. A. Kuraev, and I. F. Kirinovich, "Twt frequency characteristics in submillimeter range," in 19th Int. Crimean Conf. Microw. & Telecommun. Technol. (CriMiCo 2009), 2009, pp. 167-168.
78. A. V. Aksenchyk, A. A. Kurayev, and I. F. Kirinovich, "Folded waveguide TWT frequency characteristics in the range 600-3000 GHz," in Proc. IEEE Int. Vacuum Electron. Conf. (IVEC), 2010, pp. 461-462.
79. A. V. Aksenchyk and A. A. Kurayev, "The millimeter and submillimeter waves generators and amplifiers on wavy bent rectangular waveguides," in 6th Int. Kharkov Symp. on Physics and Engineering of Microwaves, Millimeter and Submillimeter Waves and Workshop on Terahertz Technologies, 2007, vol. 2, pp. 586-588.
80. K. S. Rumyantsev, A. S. Pobedonostsev, and S. A. Rumyantsev, "Submm-range 1 W power TWT project," in 15th Int. Crimean Conf. Microw. & Telecommun. Technol., 2005, vol. 1.
81. O. V. Makarova, R. Divan, J. Tucek, K. Kreischer, P. T. Amstutz, D. C. Mancini, and C.-M. Tang, "Fabrication of solid copper 220 GHz folded waveguide circuits by UV lithography," in Proc. Int. Vacuum Electron. Conf. (IVEC), 2010, pp. 183-184.
82. M. Field, R. Borwick, V. Mehrotra, B. Brar, Z. Jinfeng, Y.-M. Shin, D. Gamzina, A. Spear, A. Baig, L. Barnett, N. Luhmann, T. Kimura, J. Atkinson, T. Grant, Y. Goren, and D. E. Pershing, "220 GHz 50 W sheet beam traveling wave tube amplifier," in Proc. Int. Vacuum Electron. Conf. (IVEC), 2010, pp. 21-22.
83. Y.-M. Shin, A. Baig, D. Gamzina, and N. C. Luhmann, "MEMS fabrication of 0.22 THz sheet beam TWT circuit," in Proc. Int. Vacuum Electron. Conf. (IVEC), 2010, pp. 185-186.
84. K. Nguyen, L. Ludeking, J. Pasour, D. Pershing, E. Wright, D. K. Abe, and B. Levush, "Design of a high-gain wideband high-power 220-GHz multiple-beam serpentine TWT," in Proc. Int. Vacuum Electron. Conf. (IVEC), 2010, pp. 23-24.
85. N. P. Lockwood, K. L. Cartwright, P. D. Gensheimer, D. A. Shiffler, C. Y. d'Aubigny, C. K. Walker, A. Young, S. B. Fairchild, and B. Maruyama, "Development of field emission cathodes, electron gun and a slow wave structure for a terahertz traveling wave tube," in Proc. Int. Vacuum Electron. Conf. (IVEC), 2010, pp. 25-26.
86. C. D. Joye, J. P. Calame, M. Garven, D. Park, R. Bass, and B. Levush, "Microfabrication of a 220 GHz grating for sheet beam amplifiers," in Proc. Int. Vacuum Electron. Conf. (IVEC), 2010, pp. 187-188.
87. G. S. Nusinovich, Introduction to the Physics of Gyrotrons. Baltimore, MD: Johns Hopkins Univ. Press, 2004.
88. M. V. Kartikeyan, E. Borie, and M. K. A. Thumm, Gyrotrons, High Power Microwave and Millimeter Wave Technology. New York: Springer-Verlag, 2004.
89. Y. Y. Lau, "Unified theory of the diocotron, cyclotron maser and negative- mass instabilities," I.E.E.E. Trans Electron Devices, vol. ED-31, no. 3, pp. 329-337, Mar., 1984. (Pubitemid 14562013)
90. M. Y. Glyavin, A. G. Luchinin, and G. Y. Golubiatnikov, "Generation of 1.5-kW, 1-THz coherent radiation from a gyrotron with a pulsed magnetic field," Phys. Rev. Lett., vol. 100, p. 015101, 2008.
91. T. Idehara, T. Saito, H. Mori, H. Tsuchiya, L. L. Agusu, and S. Mitsudo, "Long pulse operation of the THz gyrotron with a pulse magnet," Int. J. Infrared Millimeter Waves, vol. 29, no. 2, pp. 131-141, 2008.
92. I. B. Bott, "A powerful source of millimetre wavelength electromagnetic radiation," Phys. Lett., vol. 14, pp. 293-294, 1965.
93. L. C. Robinson, Physical Principles of Far-Infrared Radiation. New York: Academic, 1973, p. 80.
94. N. I. Zaytsev, T. P. Pankratova, M. I. Petelin, and V. A. Flyagin, "Millimeter and submillimeter wave gyrotrons," Radio Eng. Electron. Phys., vol. 19, pp. 103-107, 1974.
95. T. L. Grimm, K. E. Kreischer, and R. J. Temkin, "Experimental study of a megawatt 200-300 GHz gyrotron oscillator," Phys. Fluids B-Plasma Phys., vol. 5, no. 11, pp. 4135-4143, Nov. 1993.
96. S. Spira-Hakkarainen, K. E. Kreischer, and R. J. Temkin, "Submillimeterwave harmonic gyrotron experiment," IEEE Trans. Plasma Sci., vol. 18, no. 3, pp. 334-342, Jun. 1990.
97. T. Notake, T. Saito, Y. Tatematsu, A. Fujii, S. Ogasawara, L. Agusu, I. Ogawa, and T. Idehara, "Development of a novel high power sub-THz second harmonic gyrotron," Phys. Rev. Lett., vol. 103, no. 225002, 2009.
98. V. Flyagin, A. Luchinin, and G. Nusinovich, "Submillimeter-wave gyrotrons: Theory and experiment," Int. J. Infrared Millimeter Waves, vol. 4, no. 4, pp. 629-637, 1983.
99. M. Y. Glyavin, A. G. Luchinin, and Y. V. Rodin, "Generation of 5 kW/1 THz coherent radiation from pulsed magnetic field gyrotron," in Proc. 35th Int. Conf. IR, MM and THz Waves, Rome, Italy, 2010.
100. G. Nusinovich, R. Pu, T. Antonsen, Jr, O. Sinitsyn, J. Rodgers, A. Mohamed, J. Silverman, M. Al-Sheikhly, Y. Dimant, G. Milikh, M. Glyavin, A. Luchinin, E. Kopelovich, and V. Granatstein, "Development of THz-range gyrotrons for detection of concealed radioactive materials," J. Infrared, Millimeter and Terahertz Waves, vol. 32, pp. 380-402, Mar. 2011.
101. G. F. Brand, Z. Chen, N. G. Douglas, M. Gross, J. Y. L. Ma, and L. C. Robinson, "A tunable millimeter submillimeter gyrotron," Intl. J. Electron., vol. 57, p. 863, 1984.
102. T. Idehara, T. Tatsukawa, I. Ogawa, H. Tanabe, I. Mori, S. Wada, G. F. Brand, and M. H. Brennan, "Development of a 2nd cyclotron harmonic gyrotron operating at submillimeter wavelengths," Phys. Fluids B-Plasma Phys., vol. 4, pp. 267-273, 1992.
103. T. Idehara, S. Misudo, and I. Ogawa, "Development of high-frequency, highly stable gyrotrons as millimeter to submillimeter wave radiation sources," IEEE Trans. Plasma Sci., vol. 32, pp. 910-916, 2004.
104. T. Idehara, I. Ogawa, H. Mori, S. Kobayashi, S. Mitsudo, and T. Saito, "A THz gyrotron FU CW III with a 20T superconducting magnet," in Proc. Intl. Conf. Infrared, Millimeter and THz Waves, Pasadena, CA, 2008, pp. 464-465.
105. K. Sako, Y. Kobayashi, S. Hashimoto, T. Nakano, S. Mitsudo, Y. Tatematsu, T. Idehara, and T. Saito, "Development of a material heating system using a 300 GHz gyrotron FU CW I," in Proc. Intl. Conf. Infrared, Millimeter and THz Waves, Busan, Korea, 2009, pp. 818-819.
106. M. J. Duijvestijn, R. A. Wind, and J. Smidt, "A quantitative investigation of the dynamic nuclear-polarization effect by fixed paramagnetic centra of abundant and rare spins in solids at room temperature," in Physica B&C, Amsterdam, the Netherlands, 1986, vol. 138B, p. 147.
107. L. R. Becerra, G. J. Gerfen, R. J. Temkin, D. J. Singel, and R. G. Griffin, "Dynamic nuclear polarization with a cyclotron resonance maser at 5T," Phys. Rev. Lett., vol. 71, no. 21, pp. 3561-3564, Nov. 1993.
108. V. S. Bajaj, C. T. Farrar, M. K. Hornstein, I. Mastovsky, J. Vieregg, J. Bryant, B. Eléna, K. E. Kreischer, R. J. Temkin, and R. G. Griffin, "Dynamic nuclear polarization at 9 T using a novel 250 GHz gyrotron microwave source," J. Magnetic Resonance, vol. 160, no. 2, pp. 85-90, Feb. 2003.
109. V. E. Zapevalov, V. V. Dubrov, A. S. Fix, E. A. Kopelovich, A. N. Kuftin, O. V. Malygin, V. N. Manuilov, M. A. Moiseev, A. S. Sedov, N. P. Venediktov, and N. A. Zavolsky, "Development of 260 GHz second harmonic CW gyrotron with high stability of output parameters for DNP spectroscopy," in Proc. Int. Conf. Infrared, Millimeter and THz Waves, Busan, Korea, 2009, pp. 1-2.
110. M. Rosay, L. Tometich, S. Pawsey, R. Bader, R. Schauwecker, M. Blank, P. M. Borchard, S. R. Cauffman, K. L. Felch, R. T.Weber, R. J. Temkin, R. G. Griffin, and W. E. Maas, "Solid-state dynamic nuclear polarization at 263 GHz: Spectrometer design and experimental results," Phys. Chem. Chem. Phys., vol. 12, no. 5850, 2010.
111. A. C. Torrezan, S. T. Han, M. A. Shapiro, J. R. Sirigiri, and R. J. Temkin, "CW operation of a tunable 330/460 GHz gyrotron for enhanced nuclear magnetic resonance," in 33rd Int. Conf. Infrared, Millimeter and THz Waves, 2008, pp. 612-613.
112. K. Kosuga, T. Idehara, I. Ogawa, T. Saito, L. Agusu, T. Kanemaki, M. E. Smith, and R. Dupree, "Development of gyrotron FU CW VII for 600 and 300 MHz DNP-NMR," in 34th Int. Conf. Infrared, Millimeter and THz Waves, 2009, p. 382.
113. M. K. Hornstein, V. S. Bajaj, R. G. Griffin, K. E. Kreischer, I. Mastovsky, M. A. Shapiro, J. R. Sirigiri, and R. J. Temkin, "Second harmonic operation at 460 GHz and broadband continuous frequency tuning of a gyrotron oscillator," IEEE Trans. Electron Devices, vol. 52, no. 5, pp. 798-807, May 2005. (Pubitemid 40690896)
114. A. C. Torrezan, S.-T. Han, I. Mastovsky, M. A. Shapiro, J. R. Sirigiri, R. J. Temkin, A. B. Barnes, and R. G. Griffin, "Continuous-wave operation of a frequency-tunable 460-GHz second-harmonic gyrotron for enhanced nuclear magnetic resonance," IEEE Trans. Plasma Sci., vol. 38, no. 6, pp. 1150-1159, Jun. 2010.
115. V. L. Bratman, Y. K. Kalynov, and V. N. Manuilov, "Large-orbit gyrotron operation in the terahertz frequency range," Phys. Rev. Lett., vol. 102, no. 245101-1, 2009.
116. H. Motz, "Applications of radiation from fast electron beams," J. Appl. Phys., vol. 22, pp. 527-535, 1951.
117. R. M. Phillips, "The ubitron, a high power traveling wave tube based on a periodic beam interaction in an unloaded waveguide," IRE Trans. Electron Devices, vol. ED-7, no. 4, pp. 231-241, Dec. 1960.
118. L. R. Elias, W. M. Fairbank, J. M. J. Madey, H. A. Schwettman, and T. I. Smith, "Observation of stimulated emission of radiation by relativistic electrons in a spatially periodic transverse magnetic field," Phys Rev. Lett., vol. 36, pp. 717-720, Mar. 1976.
119. P. Emma, "Commisioning status of the LCLS X-ray FEL," in IEEE Proc. 2009 Particle Accelerator Conf., Vancouver, Canada, May 2009, Paper TH3PB101.
120. S. V. Benson, K. Beard, K. H. Biallas, J. Boyce, D. Bullard, J. L. Coleman, D. Douglas, F. H. Dylla, R. Evans, P. Evtushenko, C. W. Gould, A. Grippo, J. Gubeli, D. Hardy, C. Hernandez-Garcia, C. Hovater, K. Jordan, J. M. Klopf, R. Li, S. W. Moore, G. R. Neil, M. Poelker, T. Powers, J. P. Preble, R. Rimmer,D. Sexton, M. D. Shinn, C. Tennant, R. L. Walker, G. P. Williams, and S. Zhang, "High power operation of the JLab IR FEL driver accelerator," in Proc. 2007 Particle Accelerator Conf., Albuquerque, NM, 2007, Paper MOOAAM03.
121. H. P. Freund and G. R. Neil, "Free-electron lasers: Vacuum electronic generators of coherent radiation," Proc. IEEE, vol. 87, no. 5, pp. 782-803, May 1999.
122. G. Ramian and L. Elias, "The new UCSB compact far-infrared FEL," Nucl. Instrum. Meth., vol. A 272, pp. 81-88, 1988.
123. T. J. Orzechowski, B. R. Anderson, J. C. Clark, W. M. Fawley, A. C. Paul, D. Prosnitz, E. T. Scharlemann, S. M. Yarema, D. B. Hopkins, A. M. Sessler, and J. S.Wurtele, "High efficiency extraction of microwave radiation from a tapered wiggler free electron laser," Phys. Rev. Lett., vol. 57, pp. 2172-2175, 1986.
124. G. A. Deis, A. R. Harvey, C. D. Parkison, D. Prosnitz, J. Rego, E. T. Scharlemann, and K. Halbach, "A long electromagnetic wiggler for the paladin free-electron laser experiments," IEEE Trans. Magn., vol. 24, pp. 1090-1097, 1988.
125. W. B. Colson, Y. H. Bae, J. Blau, and K. J. Cohn, "Free electron lasers in 2010," in Proc. 32nd Int. FEL Conf.,Malmo, Sweden, Aug. 20, 2010 [Online]. Available: Http://www.jacow.org, Paper MOPA05
126. A. Amir, J. F. Knox-Seith, and M. Warden, "Bandwidth narrowing of the UCSB FEL by injection seeding with a CW laser," Nucl. Instr. Meth., vol. A 304, pp. 12-16, 1991.
127. Univ. California, Santa Barbara, "The UCSB FIR-FEL," [Online]. Available: Http://sbfel3.ucsb.edu/6mv/fir.html Accessed Apr. 23, 2011
128. W. H. Urbanus, R. W. B. Best, W. A. Bongers, A. M. van Ingen, P. Manintveld, A. B. Sterk, A. G. A. Verhoeven, M. J. van der Wiel, M. Caplan, V. L. Bratman, G. G. Denisov, A. A. Varfolomeev, and A. S. Khlebnikov, "Design of the 1MW, 200 GHz, FOM fusion FEM," Nucl. Instr. Meth, vol. A 331, pp. 235-240, 1993. (Pubitemid 23685526)
129. A. Abramovich, A. Arensburg, D. Chairman, A. Eichenbaum, M. Draznin, A. Gover, H. Kleinman, I. Merhasin, Y. Pinhasi, J. S. Sokolowski, Y. M. Yakover, M. Cohen, L. A. Levin, O. Shahal, and A. Rosenberg, "First operation of the Israeli tandem electrostatic accelerator free-electron laser," Nucl. Instr. Meth, vol. A407, pp. 16-20, 1998. (Pubitemid 128409245)
130. G. P. Gallerano, A. Doria, E. Giovenale, G. Messina, and I. P. Spassovsky, "Compact THz fels and their potential in biological applications," in Proc. 27th Int Conf on Free Electron Lasers, Palo Alto, CA, 2005.
131. N. G. Gavrilov, B. A. Knyazev, E. I. Kolobanov, V. V. Kotenkov, V. V. Kubarev, G. N.Kulipanov, A. N. Matveenko, L. E. Medvedev, S. V. Miginsky, L. A. Mironenko, A. D. Oreshkov, V. K. Ovchar, V. M. Popik, T. V. Salikova, M. A. Scheglov, S. S. Serednyakov, O. A. Shevchenko, A. N. Skrinsky, V. G. Tcheskidov, and N. A. Vinokurov, "Status of the Novosibirsk high-power terahertz FEL," Nucl. Inst. Meth., vol. A575, pp. 54-57, May 2007. (Pubitemid 46670437)
132. G. Berden, B. Redlich, A. F. G. van der Meer, S. P. Jamison, A. M. MacLeod, and W. A. Gillespie, "High temporal resolution, single shot electron bunch length measurements," in Proc. 2004 FEL Conf., Trieste, Italy, 2004, pp. 343-346 [Online]. Available: Http://www.jacow. org, Paper TUAOS04
133. W. Seidel, E. Cizmar, O. Drachenko, M. Helm, M. Justus, U. Lehnert, P. Michel, M. Ozerov, H. Schneider, R. Schurig, D. Stehr, M. Wagner, S. Winnerl, D. Wohlfarth, S. Zvyagin, L. Eng, and S. C. Kehr, "Three years of CW-operation at FELBE-Experiences and applications," in Proc. 30th Int. Free Electron Laser Conf. FEL 2008, Gyeongju, Korea, 2008 [Online]. Available: Www.jacow.org
134. G. R. Neil, G. L. Carr, J. F. Gubeli, III, K. Jordan, M. C. Martin, W. R. McKinney, M. Shinn, M. Tani, G. P.Williams, and Z.-C. Zhang, "Production of high power femtosecond terahertz radiation," Nucl. Instr. Meth., vol. A507, pp. 537-540, Jul. 2003.
135. A. Willner, O. Grimm, H. Delsim-Hashemi, and J. Rossbach, "Bunch diagnostics with coherent infrared undulator radiation at flash," in Proc. EPAC08, Genoa, Italy, 2008 [Online]. Available: Www.jacow.org, Paper TUPC110
136. Y. U. Jeong, G. M. Kazakevitch, H. J. Cha, S. H. Park, and B. C. Lee, "Demonstration of a wide-band compact free electron laser to the THz imaging of bio samples," Nucl. Inst. Meth., vol. A575, pp. 58-62, May 2007. (Pubitemid 46680464)
137. R. Prazeres, F. Glotin, C. Rippon, and J. M. Ortega, "Operation of the "CLIO" FEL at long wavelengths and study of partial guiding in the optical cavity," Nucl. Instr. Meth., vol. A 483, pp. 245-249, May 2002. (Pubitemid 34544682)
138. R. Kato, S. Kashiwagi, Y. Morio, K. Furuhashi, Y. Terasawa, N. Sugimoto, G. Isoyama, S. Yamamoto, and K. Tsuchiya, "High power operation of the THz FEL at ISIR," in AIP Conf. Proc. WIRMS 2009 5th Int. Workshop on Infrared Microsc. and Spectrosc. with Accelerator Based Sources, 2010, vol. 1214, pp. 26-28.
139. G. L. Carr, M. C. Martin, W. R. McKinney, K. Jordan, G. R. Neil, and G. P. Williams, "High power terahertz radiation from relativistic electrons," Nature, vol. 420, pp. 153-156, 2002. (Pubitemid 35340113)
140. A. Doria, G. P. Gallerano, E. Giovenale, G. Messina, and I. Spassovsky, "Enhanced coherent emission of terahertz radiation by energy-phase correlation in a bunched electron beam," Phys. Rev. Lett., vol. 93, no. 264801, pp. 1-4, Dec. 2004.
141. Y. Shen, T. Watanabe, D. A. Arena, C. C. Kao, J. B. Murphy, T. Y. Tsang, X. J.Wang, and G. L. Carr, "Nonlinear cross-phase modulation with intense single-cycle terahertz pulses," Phys. Rev. Lett, vol. 99, no. 043901, pp. 1-4, Jul. 2007.
142. M. Abo-Bakr, J. Feikes, K. Holldack, G.Wustefeld, and H. W. Hubers, "Steady-state far-infrared coherent synchrotron radiation detected at Bessy II," Phys. Rev. Lett., vol. 88, no. 254801, pp. 1-4, 2002.
143. J. M. Byrd, W. P. Leemans, A. Loftsdottir, B. Marcelis, M. C. Martin, W. R. McKinney, F. Sannibale, T. Scarvie, and C. Steier, "Observation of broadband self-amplified spontaneous coherent terahertz synchrotron radiation in a storage ring," Phys. Rev. Lett., vol. 89, no. 224801, pp. 1-4, 2002.
144. U. Happek, A. J. Sievers, and E. B. Blum, "Observation of coherent transition radiation," Phys. Rev. Lett., vol. 67, pp. 2962-2965, 1991.
145. W. P. Leemans, C. G. R. Geddes, J. Faure, C. Toth, J. V. Tilborg, C. B. Schroeder, E. Esarey, G. Fubiani, D. Auerbach, B. Marcelis, M. A. Carnahan, R. A. Kaindl, J. Byrd, and M. C. Martin, "Observation of terahertz emission from a laser-plasma accelerated electron bunch crossing a plasma-vacuum boundary," Phys. Rev. Lett., vol. 91, no. 074802, pp. 1-4, Aug. 2003.
146. Y. Shibata, K. Ishi, T. Takahashi, T. Kanai, M. Ikezawa, K. Takami, T. Matsuyama, K. Kobayashi, and Y. Fujita, "Observation of coherent transition radiation at millimeter and submillimeter wavelengths," Phys. Rev. A, vol. 45, pp. R8340-R8343, Jun. 1992.
147. T. Takahashi, Y. Shibata, K. Ishi, M. Ikezawa, M. Oyamada, and Y. Kondo, "Observation of coherent Cerenkov radiation from a solid dielectric with short bunches of electrons," Phys. Rev. E Stat. Phys., Plasmas, Fluids, Relat. Interdiscip. Top., vol. 62, pp. 8606-8611, 2000.
148. M. Gensch, L. Bittner, A. Chesnov, H. Delsim-Hashemi, M. Drescher, B. Faatz, J. Feldhaus, U. Fruehling, G. A. Geloni, C. Gerth, O. Grimm, U. Hahn, M. Hesse, S. Kapitzki, V. Kocharyan, O. Kozlov, E. Matyushevsky, N. Morozov, D. Petrov, E. Ploenjes, M. Roehling, J. Rossbach, E. L. Saldin, B. Schmidt, P. Schmueser, E. A. Schneidmiller, E. Syresin, A.Willner, and M. V. Yurkov, "New infrared undulator beamline at flash," Infrared Phys. & Technol., vol. 51, pp. 423-425, 2008.
149. S. Casalbuoni, B. Schmidt, P. Schmuser, V. Arsov, and S.Wesch, "Ultrabroadband terahertz source and beamline based on coherent transition radiation," Phys. Rev. ST Accel. Beams, vol. 12, no. 303705, pp. 1-13, Mar. 2009.
150. I. M. Frank and V. L. Ginzburg, "Radiation of a uniformly moving electron due to its transition from one medium into another," J. Phys. USSR, vol. 9, pp. 353-362, 1945.
151. J. Park, C. Kim, J. Lee, C. Yim, C. H. Kim, J. Lee, S. Jung, J. Ryu, H.-S. Kang, and T. Joo, "Generation, transport and detection of linear accelerator based femtosecond-terahertz pulses," Rev. Sci. Instrum., vol. 82, no. 013305, pp. 1-5, Jan. 2011.
152. Z. Jiang and X. C. Zhang, "Electro-optic measurement of THz field pulses with a chirped optical beam," Appl. Phys. Lett., vol. 72, pp. 1945-1947, Apr. 1998. (Pubitemid 128671300)
153. T. Bartel, P. Gaal, K. Reimann, M.Woerner, and T. Elsaesser, "Generation of single-cycle THz transients with high electric-field amplitudes," Opt. Lett., vol. 30, pp. 2805-2807, Oct. 2005. (Pubitemid 41609884)
154. J. R. Danielson, Y.-S. Lee, J. P. Prineas, J. T. Steiner, M. Kira, and S. W. Koch, "Interaction of strong single-cycle terahertz pulses with semiconductor quantum wells," Phys. Rev. Lett., vol. 99, no. 237401, pp. 1-4, Dec. 2007.
155. K. L. Yeh, M. C. Hoffmann, J. Hebling, and K. A. Nelson, "Generation of 10μ J ultrashort terahertz pulses by optical rectification," Appl. Phys. Lett., vol. 90, no. 171121, pp. 1-3, Apr. 2007.
156. J. B. Baxter and C. A. Schmuttenmaer, "Conductivity of ZnO nanowires, nanoparticles and thin films using time-resolved terahertz spectroscopy," J. Phys. Chem. B, vol. 110, pp. 25229-25239, Dec. 2006. (Pubitemid 46196827)
157. P. A. George, J. Strait, J. Dawlaty, S. Shivaraman, M. V. S. Chandrashekhar, F. Rana, and M. G. Spencer, "Ultrafast optical-pump terahertz- probe spectroscopy of the carrier relaxation and recombination dynamics in epitaxial grapheme," Nano Lett., vol. 8, pp. 4248-4251, 2008.
158. G. Haran, W.-D. Sun, K. Wynne, and R. M. Hochstrasser, "Femtosecond far-infrared pump-probe spectroscopy: A new tool for studying low-frequency vibrational dynamics in molecular condensed phases," Chem. Phys. Lett., vol. 274, pp. 365-371, 1997. (Pubitemid 127171783)
159. T. Suzuki and R. Shimano, "Time-resolved formation of excitons and electron-hole droplets in SI studied using terahertz spectroscopy," Phys. Rev. Lett., vol. 103, no. 057401, pp. 1-4, 2009.
160. M. C. Beard, G. M. Turner, and C. A. Schmuttenmaer, "Terahertz spectroscopy," J. Phys. Chem. B, vol. 106, pp. 7146-7159, 2002. (Pubitemid 35383038)
161. C. Fattinger and D. Grischkowsky, "Terahertz beams," Appl. Phys. Lett., vol. 54, pp. 490-492, 1989.
162. B. N. Flanders, R. A. Cheville, D. Grischkowsky, and N. F. Scherer, "Pulsed terahertz transmission spectroscopy of liquid CHCL3, CCL4 and their mixtures," J. Phys. Chem., vol. 100, pp. 11824-11835, 1996. (Pubitemid 126786794)
163. K. J. Tielrooij, N. Garcia-Araez, M. Bonn, and H. J. Bakker, "Cooperativity in ion hydration," Science, vol. 328, pp. 1006-1009, 2010.
164. J. M. Manceau, P. A. Loukakos, and S. Tzortzakis, "Direct acoustic phonon excitation by intense and ultrashort terahertz pulses," Appl. Phys. Lett., vol. 97, no. 251904, pp. 1-3, Dec. 2010.
165. M. C. Hoffmann, J. Hebling, H. Y. Hwang, K.-L. Yeh, and K. A. Nelson, "Impact ionization in INSB probed by terahertz pump-terahertz probe spectroscopy," Phys. Rev. B Condens. Matter Mater. Phys., vol. 79, no. 161201, pp. 1-4, Apr. 2009.
166. P. Gaal, W. Kuehn, K. Reimann, M.Woerner, T. Elsaesser, and R. Hey, "Internal motions of a quasiparticle governing its ultrafast nonlinear response," Nature, vol. 450, pp. 1210-1213, Dec. 2007.
167. T. Kampfrath, A. Sell, G. Klatt, A. Pashkin, S. Maehrlein, T. Dekorsy, M. Wolf, M. Fiebig, A. Leitenstorfer, and R. Huber, "Coherent terahertz control of antiferromagnetic spin waves," Nat. Photonics, vol. 5, pp. 31-34, 2011.
168. A. Xie, A. F. G. van der Meer, and R. H. Austin, "Excited-state lifetimes of far-infrared collective modes in proteins," Phys. Rev. Lett., vol. 88, no. 018102, pp. 1-4, 2002.
169. K. Kadel, W. K. Schomburg, and G. Stern, "X-ray masks with tungsten absorbers for use in the LIGA process," J. Microelectronic Engr., vol. 21, pp. 123-6, 1993. (Pubitemid 23684400)
170. A. del Campo and C. Greiner, "SU-8: A photoresist for high-aspectratio and 3D photolithography," J. Micromech./Microeng., vol. 17, pp. R81-95, 2007.
171. C. D. Joye, J. P. Calame, M. Garven, and B. Levush, "UV-LIGA microfabrication of 220 GHz sheet beam amplifier gratings with SU-8 photoresist," J. Micromech. Microeng., vol. 20, Dec. 2010.
172. Y.-M. Shin, L. R. Barnett, and N. C. Luhmann, Jr, "Mems-fabricated micro vacuum electron devices (μVEDs) for terahertz (THz) applications," in Proc. IRMMW-THz Conf., , 2008, Paper T4K1.1591.
173. P. M. Dentinger, W. M. Clift, and S. H. Goods, "Removal of SU-8 photoresist for thick film applications," J. Microelec. Eng., vol. 61-62, pp. 993-1000, 2002. (Pubitemid 34613474)
174. T. H. Chang, B. Y. Shew, C. Y. Wu, and N. C. Chen, "A 203-GHz TE02 mode converter using LIGA technique," presented at the 2010 IRMMW-THz Conf., Rome, Italy, Sep. 2010, Mo-P.50.
175. A. Srivastava, J. K. So, M. A. Sattorov, O. J. Kwon, G. S. Park, C. W. Baik, J. H. Kim, and S. S. Chang, "100 GHz LIGA-fabricated coupledcavity device," in 10th IVEC Conf. Proc., Apr. 2009, pp. 41-44.
176. R. L. Ives, "Microfabriction of high frequency vacuum electron devices," IEEE Trans. Plasma Sci., vol. 32, no. 3, pp. 1277-1291, Jun. 2004.
177. A. Yunkin, D. Fischer, and E. Voges, "Highly anisotropic selective reactive ion etching of deep trenches in silicon," J. Microelec. Engr., vol. 23, no. 1-4, pp. 373-376, 1994.
178. B. Wu, A. Kumar, and S. Pamarthy, "High aspect ratio silicon etch: A review," J. Appl. Phys., vol. 108, no. 051101, 2010.
179. F. Laermer and A. Schilp, "Method of anisotropically etching silicon," U.S. Patent 5 501 893, Mar. 26, 1996.
180. K. J. Morton, G. Nieberg, S. Bai, and S. Y. Chou, "Wafer-scale patterning of sub-40 nm diameter and high aspect ratio (> 50:1) silicon pillar arrays by nanoimprint and etching," Nanotechnology, vol. 19, no. 34, 2008.
181. M. A. Blauw, T. Zijlstra, R. A. Bakker, and E. van der Drift, "Kinetics and crystal orientation dependence in high aspect ratio silicon dry etching," J. Vac. Sci. Technol. B, vol. 18, no. 6, pp. 3453-3461, 2000. (Pubitemid 32088234)
182. S. Sengele, H. Jiang, J. H. Booske, C. L. Kory, D. W. van der Weide, and R. L. Ives, "Microfabrication and characterization of a selectively metalized W-band meander-line TWT circuit," IEEE Trans. Electron Devices, vol. 56, no. 5, pp. 730-737, May 2009.
183. D. Chernin, A. Burke, I. Chernyavskiy, J. Petillo, R. Dobbs, A. Roitman, P. Horoyski, M. Hyttinen, D. Berry, M. Blank, K. Nguyen, V. Jabotinsky, D. Pershing, E. Wright, J. Calame, B. Levush, J. Neilson, T. Gaier, A. Skalare, N. S. Barker, R. Weikle, and J. Booske, "Extended interaction klystrons for terahertz power amplifiers," in Proc. 11th . IVEC Conf. CFP10VAM-ART, Apr. 2010, pp. 217-218.
184. M. Hyttinen, A. Roitman, P. Horoyski, R. Dobbs, E. Sokol, D. Berry, and B. Steer, "A compact, high power, sub-millimeter-wave extended interaction klystron," in Proc. 9th IVEC Conf. CFP08VAM, Apr. 2008, p. 297.
185. J. K. So, Y. M. Shin, K. H. Jang, J. H. Won, A. Srivastava, M. A. Sattorov, and G. S. Park, "Experimental study on 0.5 THz superradiant Smith-Purcell radiation," in Proc. 8th IVEC Conf., May 2007, pp. 349-350, Paper 13.5.
186. J. A. Dayton, Jr, G. T. Mearini, C. L. Kory, D. Malta, M. Lueck, J. W. Tabeling, S. Worthington, C. Holland, and C. Spindt, "Assembly and preliminary testing of the prototype 650 GHz BWO," in Proc.9th IVEC Conf. . CFP08VAM, Apr. 2008, pp. 394-395, Paper 17.3.
187. G. T. Mearini and J. A. Dayton, Jr., "Free-standing diamond structures and methods," U.S. Patent 7 037 370, May 2, 2006.
188. R. L. Ives, R. L. Falce, G. Collins, D. Marsden, G. Miram, S. Schwartzkopf, and B. Smith, "High current density-long life cathodes for high frequency applications," in 11th IVEC Conf. Proc. CFP10VAM-ART, Apr. 2010, pp. 71-72, Paper 6.1.
189. M. Read, L. Ives, T. Bui, and H. Tran, "Low and zero compression electron guns," in 11th IVEC Conf. Proc. CFP10VAM-ART, Apr. 2010, pp. 75-76.
190. N. Sule, M. Kirley, B. Novakovic, J. Scharer, Knezevic, I, and J. Booske, "Examination of field emission from copper knife edge cathodes with low-work function coatings," in 11th IVEC Conf. Proc. CFP10VAM-ART, Apr. 2010, pp. 207-208, Paper 11.4.
191. B. R. Johnson, A. I. Akinwande, and D. Murphy, "Characterization of lateral thin-film-edge field emitter arrays," J. Vac. Sci. Technol. B, vol. 15, no. 2, pp. 535-538, 1997. (Pubitemid 127666550)
192. D. R. Whaley, R. Duggal, C. M. Armstrong, C. L. Bellew, C. E. Holland, and C. A. Spindt, "100 W operation of a cold cathode TWT," IEEE Trans. Electron Devices, vol. 565, no. 5, pp. 896-905, May 2009.
193. C. Spindt, C. E. Holland, and P. R. Schwoebel, "A reliable improved Spindt cathode design for high currents," in 11th IVEC Conf. Proc. CFP10VAM-ART, Apr. 2010, pp. 201-202, Paper 11.1.
194. X.Wang, Q. Li, J. Xie, Z. Jin, J.Wang, Y. Li, K. Jiang, and S. Fan, "Fabrication of ultralong and electrically uniform single-walled carbon nanotubes on clean substrates," Nano Lett., vol. 9, no. 9, pp. 3137-3141, 2009.
195. Y.-S. Di, Y.-K. Cui, F. Gao, X.-B. Zhang, and W. Lei, "Large current emission from CNTS synthesized by a local heating CVD method," in 11th IVEC Conf. Proc. CFP10VAM-ART, Apr. 2010, pp. 177-178, Paper P1-39.
196. L. F. Drummy, S. Apt, D. Shiffler, K. Golby, M. LaCour, B. Maruyama, and R. A. Vaia, "Nanostructural evolution during emission of CsI-coated carbon fiber cathodes," J. Appl. Phys., vol. 107, 2010.
197. L.Wei, Z. Xiaobing, Z. Zhao, C. Jing, B.Wang, and Y. Cui, "Enhanced field-emission from a mixture of carbon nanotubes, ZnO tetrapods and conductive particles," in IVEC-IVESC Conf. Proc., Apr. 2010, pp. 400-403.
198. D. S. Y. Hsu and J. L. Shaw, "Open aperture microgated carbon nanotube FEAs," in 20th Intl. Vac. Nanoelec. Conf. Proc., 2007, pp. 80-81.
199. H. M. Manohara, R. Toda, R. H. Lin, A. Liao, R. Kowalczyk, A. B. Kaul, and M. M. Mojarradi, "Vacuum microelectronics applications using carbon nanotube cathodes," in IRMMW-THz Conf. Proc., 2008, pp. 192-193.
200. J. Zhao, N. Li, J. Li, L. Barnett, M. Banducci, D. Gamzina, and N. C. Luhmann, Jr, "High current density and long life nanocomposite scandate dispenser cathode fabrication," in 11th IVEC Conf. Proc. CFP10VAM-ART, Apr. 2010, pp. 425-426, Paper 17.5.
201. M. Field, R. Borwick, V. Mehrotra, B. Brar, J. Zhao, Y.-M. Shin, D. Gamzina, A. Spear, A. Baig, L. Barnett, N. Luhmann, Jr, T. Kimura, J. Atkinson, T. Grant, Y. Goren, and D. E. Pershing, "220 GHz 50 W sheet beam travelling wave tube amplifier," in 11th IVEC Conf. Proc. CFP10VAM-ART, Apr. 2010, pp. 21-22, Paper 1.3.
202. J. M. Vaughn, K. D. Jamison, and M. E. Kordesch, "Work function reduction by multilayer oxides: Thermionic electron emission microscopy of scandium oxide and barium oxide on tungsten," in 11th IVEC Conf. Proc. CFP10VAM-ART, , Apr. 2010, pp. 421-422, Paper 17.3.
203. J. E. Yater, J. L. Shaw, J. E. Butler, B. B. Pate, R. E. Myers, and T. Feygelson, "Emission characterization of diamond current amplifier," in 11th IVEC Conf. Proc. CFP10VAM-ART, Apr. 2010, pp. 211-212, Paper 11.6.
204. B. Vancil, J. Dayton, C. Kory, V. Schmidt, and J. Lorr, "Improvements in miniature wire-strung cathodes for high frequency VEDs," in 11th IVEC Conf. Proc. CFP10VAM-ART, Apr. 2010, pp. 169-170, Paper P1-35.