RIT Digital Archive

Browsing William W. Destler--E-prints by Author "Rodgers, J."

RIT Digital Archive

Browsing William W. Destler--E-prints by Author "Rodgers, J."

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  • Ramaswamy, K.; Destler, William; Segalov, Z.; Rodgers, J. (American Institute of Physics, 1994-05-01)
    Emittance and energy measurements have been performed on a high-brightness electron beam (>1010Nm2 rad2 ) with diameter in the range 1-3 mm and energy in the range 150-170 keY. This electron beam is generated by the ...
  • Destler, William; O'Shea, P.; Rodgers, J.; Segalov, Z. (Institute of Electrical and Electronics Engineers, 1987)
    Initial results from a successful laser-controlled collective ion acceleration experiment at the University of Maryland are presented. In the experiment, positive ions are trapped in the potential well at the head of ...
  • Lawson, W.; Grigoropoulos, A.; Liu, A.; Saraph, G.; Rodgers, J.; Destler, William (©1996 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE., 1996-06)
    We present the theoretical design of a secondharmonic small-orbit gyrotron amplifier which utilizes the interaction between a 35-kV 4-A beam and a TEoll cavity to produce over 70 kW of amplified power at 9.9 GHz in a ...
  • Lawson, Wes; Destler, William; Fernandez, Anna; Liu, Arnold; Rodgers, J.; Weinstein, Jonathan (©1996 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE., 1996-06)
    We present the design of a 100 kW, J-band, third harmonic large-orbit gyrotron amplifier which utilizes the interaction between a 45 kV, 4 A beam and a vane resonator output cavity operating in the “?r”-mode. An efficiency ...
  • Shkvarunets, A.; Kobayashi, S.; Weaver, J.; Carmel, Y.; Rodgers, J.; Antonsen, T. Jr; Granatstein, V.; Destler, William (Institute of Electrical and Electronics Engineers, 1996)
    No abstract found.
  • Main, W.; Carmel, Y.; Ogura, K.; Weaver, J.; Nusinovich, G.; Kobayashi, S.; Tate, J.; Rodgers, J.; Bromborsky, A.; Watanabe, S.; Amin, M.; Minami, K.; Destler, William; Granatstein, V. (©1994 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE., 1994-10)
    Specific slow wave structures are needed in order to produce coherent Cherenkov radiation in overmoded relativistic generators. The electromagnetic characteristics of such slow wave, resonant, finite length structures ...
  • Signh, A.; Destler, William; Catravas, P.; Rodgers, J. (American Institute of Physics, 1992-09-01)
    The time evolution of backscattered and sidescattered microwaves from a plane conductor covered by a pulsed-plasma column has been studied; transmitted signals along the axial and transverse directions of the column have ...
  • Zhang, Ze-Xiang; Granatstein, Victor; Destler, William; Bidwell, Steven; Rodgers, J.; Cheng, S.; Antonsen, T.; Levush, B.; Radack, D. (IEEE, 1993-12)
    Detailed experimental studies on sheet relativistic electron beam propagation through a long planar wiggler are reported and compared with numerical simulations. The planar wiggler has 56 periods with a period of 9.6 ...
  • Radack, D.; Bidwell, S.; Antonsen, T. Jr; Carmel, Y.; Destler, William; Granatstein, V.; Latham, P.; Levush, B.; Mayergoyz, I.; Rodgers, J.; Zhang, Z. (SPIE, 1990-12)
    A 1 MW (cw), millimeter wave FEL (X, « 0.5 mm) is currently under development with an application for heating fusion plasmas. Two salient features of the FEL are the use of a short-period wiggler £w < 10 mm) electromagnet and ...
  • Zhang, Ze-Xiang; Destler, William; Granatstein, V.; Antonsen, T.; Levush, B.; Rodgers, J.; Cheng, S. (American Institute of Physics, 1994-03-14)
    We report an observation of millimeter-wave (94 GHz) amplification in a sheet beam, short period, planar wiggler: free electron laser amplifier. The observed gain is about 5 dB for a 530 keV, 4 A beam through a 54 cm ...
  • Destler, William; DeGrange, J.; Fleischmann, H.; Rodgers, J.; Segalov, Z. (The American Institute of Physics, 1991-05-01)
    Experimental studies of the reflection, transmission, and absorption of high-power microwave pulses from a plasma-covered plane conducting boundary are presented. Under optimum conditions, backscattered rf power is ...
  • Carmel, Y.; Lou, W.R.; Destler, William; Granatstein, V.L.; Rodgers, J.; Kehs, R.A.; Minami, K. (IEEE, 1990-05-21)
    Summary form only given, as follows. It has previously been demonstrated that a plasma-loaded backward wave oscillator (BWO) powered by a relativistic electron beam can generate hundreds of megawatts of microwave radiation ...
  • Carmel, Y.; Lou, W.; Destler, William; Granatstein, V.; Rodgers, J.; Kehs, R.; Minami, K. (1990-05-22)
  • Destler, William; Rodgers, J.; Segalov, Z. (Copyright 1989 American Institute of Physics. This article may be downloaded for personal use only. Any other use requires prior permission of the author and the American Institute of Physics., 1989-10-01)
    Detailed experimental studies of a collective acceleration experiment in which a time sequenced laser-generated ionization channel is used to control the propagation of an intense relativistic electron bearnfront are ...
  • Booske, J.; Granatstein, Victor; Antonsen, T.; Destler, William; Finn, J.; Latham, P.; Levush, B.; Mayergoyz, I.; Radack, D.; Rodgers, J. (1989)
    The use of a small period wiggler (Cw < 1 cm) together with a sheet electron beam has been proposed as a low cost source of power for electron cyclotron resonance heating (ECRH) in magnetic fusion plasmas. Other potential ...
  • Radack, D.J.; Ramaswamy, K.; Destler, William; Rodgers, J. (American Institute of Physics, 1993-06-15)
    This paper reports on experimental and theoretical studies of a fundamental mode, large-orbit gyrotron oscillator designed to produce high-power radiation in the rectangular TE,a mode at about 650 MHz. A basic linear ...
  • Destler, William; Segalov, Z.; Rodgers, J.; Ramaswamy, K.; Reiser, M. (IEEE, 1993-05-17)
    High brightness (~3×1010 A/m2rad2 ), high power density (~1010 W/cm2) electron beams have been generated by the mating of a hollow-cathode discharge device operating in the pseudospark regime to the output of a high power ...
  • Destler, William; Segalov, Z.; Rodgers, J.; Ramaswamy, K.; Reiser, M. (IEEE Institute of Electrical and Electronics, 1993)
    High brightness (m 3 x 10" A/m2rad2), high power density (- 1O1O W/cm2) electron beams have been generated by the mating of a hollow-cathode discharge device operating in the pseudospark regime to the output of a high ...
  • Carmel, Yuval; Minami, K.; Lou, Weiran; Kehs, R.; Destler, William; Granatstein, Victor; Abe, D.; Rodgers, J. (©1990 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE., 1990-06)
    An experimental demonstration of a strong enhancement of the interaction efficiency in a high-power relativistic backward-wave oscillator when plasma is injected is presented. Controlled plasma injection enhances the ...
  • Ramaswamy, K.; Destler, William; Rodgers, J. (American Institute of Physics, 1996-11-01)
    The design and execution of a pulsed high-voltage (350–400 keV) triggered pseudospark discharge experiment is reported. Experimental studies were carried out to obtain an optimal design for stable and reliable pseudospark ...

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