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A High-average power tapered FEL amplifier at submillimeter frequencies using sheet electron beams and short-period wigglers

Bidwell, S.; Radack, D.; Antonsen, T.; Booske, J.; Carmel, Y.; Destler, William; Granatstein, V.; Levush, B.; Lathem, P.; Zhang, Z. (Elsevier, 1990-09-17)

A high-average-power FEL amplifier operating at submillimeter frequencies is under development at the University of Maryland. Program goals are to produce a CW, ~ 1 MW, FEL amplifier source at frequencies between 280 GHz ...

Near-millimeter free electron lasers with small period wigglers and sheet electron beams

Granatstein, V.; Antonsen, T.; Booske, J.; Destler, William; Latham, P.; Levush, B.; Mayergoyz, I.; Radack, D.; Segalov, Z.; Serbeto, A. (Elsevier, 1988-10)

Electron cyclotron resonance heating (ECRH) of plasmas in magnetic fusion research and space-borne radar systems are both projected to require high power radiation sources at wavelength λ not, vert, similar 1 mm. For ECRH, ...

First operation of a 94 GHz, sheet beam, FEL amplifier

Zhang, Ze-Xiang; Granatstein, V.; Destler, William; Levush, B.; Antonsen, T.; Rodgers, J.; Cheng, S. (Elsevier, 2002-10-14)

Millimeter wave (94 GHz) amplification has been observed in the sheet beam, planar wiggler, free electron laser. Using a 4 A sheet beam (20 mm × 1.0 mm) at an electron energy of 530 keV, injected wave power of 5 W was ...

Experimental and numerical results on a millimeter-wave free electron laser amplifier

Granatstein, V.L.; Destler, William; Bidwell, S.W.; Zhang, Z.X.; Antonsen, T.M. Jr.; Levush, B.; Rodgers, J.; Carmel, Y.; Freund, H.P. (Elsveier - Nuclear instruments and methods in physics research, 1993-07)

Progress in studies of a millimeter-wave free electron laser amplifier based on a small period planar wiggler and a sheet electron beam is reported. Successful propagation of a 15 A sheet electron beam has been accomplished ...

From linearity towards chaos: Basic studies of relativistic backward-wave oscillators

Carmel, Y.; Lou, W.R.; Rodgers, J.; Guo, H.; Destler, William; Granatstein, V.L.; Levush, B.; Antonsen, T. Jr.; Bromborsky, A. (American Physical Society, 1992-09-14)

Recent experimental studies have revealed for the first time some basic features of pulsed. relativistic (300-600 keY) backward-wave oscillators such as starting current, axial mode locking, and multifrequency operation. ...

Progress in high power millimeter-wave FELs with short period wigglers and sheet electron beams

Booske, J.; Radack, D.; Antonsen, T. Jr; Bidwell, S.; Destler, William; Granatstein, V.; Latham, P.; Levush, B.; Mayergoyz, L.; Serbeto, A.; Zhang, Z. (Institute of Electrical and Electronics Engineers, 1989-05)

A Short-period wiggler millimeter-wave free electron laser for plasma heating and space-borne radar

Booske, J.; Antonsen, T. Jr; Bengtson, D.; Bluem, H.; Destler, William; Finn, J.; Granatstein, V.; Latham, P.; Levush, B.; Mayergoyz, I.; Radack, D.; Rosenbury, E.; Serbeto, A. (1987-12)

We will report on the status of a new mm-wave FEL research program based on short-period electromagnet wigglers and a low voltage (500 kV) sheet electron beam. Recent results of measurements and theoretical modeling ...

High-average-power CW FELs for application to plasma heating designs and experiments

Booske, J.; Granatstein, V.; Radack, D.; Antonsen, T.; Bidwell, S.; Carmel, Y.; Destler, William; Latham, O.; Levush, B.; Mayergoyz, I.; Zhang, Z. (IEEE, 1990)

A short-period-wiggler (period - 1 cm), sheet-beam FEL has been proposed as a low-cost source of high-average-power (1 MW) millimeter-wave radiation for plasma heating and space-based radar applications. Recent calculations ...

Short-period-wiggler free electron lasers with sheet electron beams

Booske, J.; Antonsen, T. Jr; Bengston, D.; Destler, William; Granatstein, V.; Latham, P.; Levush, B.; Mayergoyz, I.; Radack, D.; Rosenbury, E. (Institute of Electrical and Electronics Engineers, 1988-06)

Theoretical and experimental investigations of the cyclotron interaction effect on relativistic backward wave oscillator operation

Levush, B.; Vlasov, A.; Nusinovich, G.; Bromborsky, A.; Antonsen, T. Jr; Miller, S.; Abe, D.; Lou, W.; Carmel, Y.; Destler, William; Granatstein, V. (SPIE, 1993)

Microwave sources based on backward-wave oscillators (BWOs) driven by relativistic electron beams are capable of producing high power coherent radiation in the cm and mm wavelength region. When the axial magnetic field is ...