Browsing William W. Destler (2007 - ) by Title
Now showing items 26-45 of 111
-
Efficiency enhancement by using depressed collector techniques in devices employing gyrating electron beams
(Institute of Electrical and Electronics Engineers, 1987-06) -
Electromagentic properties of corrugated and smooth waveguides filled with radially inhomogeneous plasma
(Institute of Electrical and Electronics Engineers, 1996)No abstract found. -
Electromagnetic properties of open and closed overmoded slow-wave resonators for interaction with relativistic electron beams
(©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 ... -
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 ... -
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 development of a millimeter wave free electron laser
(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 ... -
Experimental high power plasma-filled backward wave oscillator results
(Institute of Electrical and Electronics Engineers, 1988-06) -
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 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 ... -
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 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 ... -
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 ... -
Experimental studies of the laser controlled collective ion accelerator
(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 ... -
Experimental study of collective acceleration of ions from a localized gas cloud
(American Institute of Physics, 1981-02)The collective acceleration of ions (H, D, He, N, Ne; Ar, Kr, Xe) to peak energies of about 5 MeV/nucleon has been achieved using a 1.5-MeV, 35-kA, 30-ns electron beam pulse. Ion energies have been measured using ... -
Experimental study of millimeter wave radiation from a rotating electron beam in a rippled magnetic field
(American Institute of Physics, 1985-06)The generation of millimeter wave radiation from the interaction of a rotating electron beam (2 MeV, I kA, 5 nsec) with an azimuthally periodic wiggler magnetic field has been studied experimentally. Calculations of the ... -
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 ... -
Free electron laser pumped by a powerful traveling electromagnetic wave
(©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)A three-wave free-electron laser (FEL) was operated with a powerful 8.4-GHz electromagnetic “pump” wave replacing the usual magnetostatic wiggler. The presence of a uniform axial magnetic field B,, produced cyclotron-harmonic ...