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Now showing items 11-20 of 37
Experimental realization of millimeter-wave amplification by a sheet beam free electron laser
(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 ...
Experimental and numerical studies of sheet electron beam propagation through a planar wiggler magnet
(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 ...
Experimental and numerical results on a millimeter-wave free electron laser amplifier
(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 ...
A fundamental mode, high-power, large-orbit gyrotron using a rectangular interaction region
(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 ...
High power high brightness electron beam generation in a pulse-line driven pseudospark discharge
(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 ...
High power, high brightness electron beam generation in a pulse-line driven pseudospark discharge
(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 ...
From linearity towards chaos: Basic studies of relativistic backward-wave oscillators
(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. ...
Experiemental study of interaction of microwaves with a nonmagnetized pulsed-plasma column
(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 ...
Relativistic plasma microwave electronics: Studies of high-power plasma-filled backward-wave oscillators
(American Institute of Physics, 1992-07)
The area of relativistic plasma microwave electronics has only recently generated renewed
interest. New experimental data are presented demonstrating that the presence of a
low-density background plasma in a relativistic ...
Studies of relativistic backward wave oscillators: Comparison bewteen theory and experiment
(SPIE, 1992)
Microwave sources based on backward-wave oscillators driven by relativistic electron beams are capable
of producing high power coherent radiation in the cm and mm wavelength regime. Although there have
been a number of ...