William W. Destler--E-prints: Recent submissions
Now showing items 61-80 of 111
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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 ... -
High power microwave generation from a large orbit gyrotron*
(IEEE - Transactions on Nuclear Science, 1985-10)A study of the production of high power microwave radiation from a large orbit gyrotron in azimuthally periodic boundary systems has been conducted. Linear growth rates have been calculated for the 2¿ modes of magnetron-like ... -
A High-power backward-wave oscillator driven by a relativistic electron beam
(IEEE - Transactions on plasma science, 1985-12)A high-power backward-wave oscillator (BWO) has been constructed that is driven by a relativistic electron beam (REB). A typical electron beam of 2-4 kA is accelerated across a diode potential of 650-800 kV and then guided ... -
Studies of microwave radiation from a low-energy rotating electron beam in a multiresonator magnetron cavity
(American institute of physics - Journal of applied physics, 1987-02-15)Presents a study on the generation of microwave radiation at high harmonics of the cyclotron frequency. Reasons for the interest in the configuration process; Theory of beam dynamics; Results of the experiments. -
Experimental study of propagation of intense relativistic electron beams in nonconducting vacuum drift tubes after passage through a localized plasma source
(American institute of physics - Journal of applied physics, 1987-04-01)Presents a study which examined the propagation of intense relativistic electron beams into evacuated nonconducting drift tubes after passage through a localized plasma source. Details of the time-integrated photographs ... -
Second generation, high-power, fundamental mode large-orbit gyrotron experiments
(American Institute of Physics, 1991-01-15)Experimental studies of a large-orbit gyrotron device operating at the fundamental of the cyclotron frequency have been conducted. Based on results of initial investigations at the University of Maryland a linear beam ... -
A High-voltage triggered pseudospark discharge experiment
(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 ... -
Microwave generation in a high voltage triggered pseudospark discharge experiment
(American Institute of Physics, 1998-04-01)A set of five experiments to study the microwave emission accompanying the high voltage pseudospark discharge are reported. The generation of the microwaves in all cases but one is attributed to electron beam-plasma ... -
Electromagentic properties of corrugated and smooth waveguides filled with radially inhomogeneous plasma
(Institute of Electrical and Electronics Engineers, 1996)No abstract found. -
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 ... -
Experimental studies of overmoded relativistic backward-wave oscillators
(Institute of Electrical and Electronics Engineers, 1998-06)Internal field-emission breakdown in the electrodynamic structures of high-power microwave (HPM) devices can seriously limit the device’s output power and pulse duration. Increasing the diameter of the electrodynamic ... -
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 ... -
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 ... -
Experimental studies of high power plasma filled backward wave oscillators
(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 ... -
Experimental studies of heavy ion collection acceleration at the University of Maryland
(IEEE, 1979-06)The collective acceleration of ions (H,C,N) from a well-localized ion source immediately downstream of a relativistic electron beam diode is experimentally investigated, The ions are produced either in a wellconfined gas ... -
High-average-power CW FELs for application to plasma heating designs and experiments
(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 ... -
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 ... -
Experimental studies of high-power microwave reflection, transmission, and absorption from a plasma-covered plane conducting boundary
(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 ... -
A Novel highly accurate synthetic technique for determination of the dispersive characteristics in periodic slow wave circuits
(IEEE, 1992-11)A novel, highly accurate (0.1-0.5%) synthetic technique for determining the complete dispersive characteristics of electromagnetic modes in a spatially periodic structure is presented. It was successfully applied for ...