Browsing William W. Destler (2007 - ) by Title
Now showing items 6-25 of 111
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Characterization of electron beams generated in a high-voltage pulse-line-driven pseudospark discharge
(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 ... -
Charge-state measurements of collectively accelerated heavy ions
(American Institute of Physics, 1983-02)Thomson spectrometer measurements of the charge states of collectively accelerated light and heavy ions (H, D, He, N, Ne, Ar) are reported. Within experimental error, all charge states are accelerated to the same peak ... -
Collective acceleration and the propagation of intense beams into vacuum
(IEEE, 1985-10) -
Collective acceleration of carbon ions to 170 MeV
(American Institute of Physics, 1979-08-01)The collective acceleration of carbon ions to a peak energy in the range 170-200 MeV has been achieved using a 6-MeV 190-kA lOO-ns electron beam pulse generated by the Pulserad 1590 facility at Kirtland Air Force Base. ... -
Collective acceleration of heavy ions
(American Physical Society, 1980-01-14)Results of experiments on the collective acceleration of H, He, N, Ne, Ar, and Kr ions with an intense relativistic electron beam (1.5 MeV, 30 kA, 30 ns) are reported. Using time-of-flight diagnostics, we found that the ... -
Collective acceleration of laser produced ions
(Institute of Electrical and Electronics Engineers, 1983-08)Experimental studies of the collective acceleration of laser produced ions have been conducted. An intense relativistic electron beam (1 MeV, 30 kA, 30 ns) is emitted from a 4 mm diameter tungsten cathode and passes ... -
Collective acceleration of laser-produced ions
(IEEE - Transactions on Nuclear Science, 1983-08)Experimental studies of the collective acceleration of laser produced ions have been conducted. An intense relativistic electron beam (1 MeV, 30 kA, 30 ns) is emitted from a 4 mm diameter tungsten cathode and passes through ... -
Collective acceleration of light and heavy ions
(Institute of Electrical and Electronics Engineers, 1981-06)The collective acceleration of ions (H, D, He, C, N, Ne, Al, Ar, Fe, Cu, Xe) from a well localized plasma immediately downstream of a relativistic electron beam diode is experimentally investigated. The ions are produced ... -
Collective ion acceleration via laser controlled ionization channel
(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 ... -
Controlled collection field propagation for ion acceleration using a slow wave structure
(IEEE, 1977-06)Acceleration of ions by intense relativistic electron beams in a vacuum has been investigated using the injector of the Maryland ERA project. Proton energies above 16 MeV and proton beam currents above 10 kA have been ... -
Demonstration of efficiency enhancement in a high-power backward-wave oscillator by plasma injection
(American Physical Society, 1989-05-15)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 ... -
Demonstration of efficiency enhancement on a high-power backward-wave oscillator by plasma injection
(American Physical Society, 1989)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 ... -
Depressed collectors for a large orbit gyrotron
(1987-12)An auxiliary magnetic cusp transforms rotational motion in the spent beam of a Large-Orbit Gyrotron into axial motion. Results regarding the interfacing of this cusp with a depressed collector region and the effects ... -
Design of a high-efficiency low voltage axially modulated cusp-injected second-harmonic x-band gyrotron amplifier
(©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 ... -
Design of a low-voltage, axially modulated, cusp-injected, third harmonic, x-band gyrotron amplifier experiment
(Institute of Electrical and Electronics Engineers, 1997-11)We present the design of a prebunched, third harmonic small-orbit gyrotron experiment that utilizes a 45 kV, 8 A beam to produce over 185 kW of amplified power at 9.9 GHz in a 1.23 kG magnetic field. We detail the design ... -
Design of a short-period-wiggler free electron laser experiment
(Institute of Electrical and Electronics Engineers, 1987-06) -
Design of an efficient, low voltage, third harmonic, large-orbit gyrotron amplifier with a vane-resonator output cavity
(©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 ... -
Design of high-average-power near-millimeter free electron laser oscillators using short-period wigglers and sheet electron beams
(©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)The design and feasibility of a I-MW continuous wave (CW) free electron laser (FEL) oscillator are reviewed. The proposed configuration will include a short-period (1" - I cm) planar wiggler. a sheet electron beam, a ...