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Realization of a relativistic mirror: Electromagnetic backscattering from the front of a magnetized relativistic electron beam

Granatstein, V. L. ; Sprangle, P. ; Parker, R. K. ; Pasour, J. ; Herndon, M. ; Schlesinger, S. P. ; Seftor, J. L.

Phys. Rev., A; (United States), 1976-09, Vol.14 (3), p.1194-1201

United States

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Título:
Realization of a relativistic mirror: Electromagnetic backscattering from the front of a magnetized relativistic electron beam
Autor: Granatstein, V. L. ; Sprangle, P. ; Parker, R. K. ; Pasour, J. ; Herndon, M. ; Schlesinger, S. P. ; Seftor, J. L.
Assuntos: 640301 - Atomic, Molecular & Chemical Physics- Beams & their Reactions ; 70 PLASMA PHYSICS AND FUSION TECHNOLOGY ; 700100 - Fusion Energy- Plasma Research ; BACKSCATTERING ; BEAMS ; CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS ; ELECTROMAGNETIC RADIATION ; ELECTRON BEAMS ; ENERGY RANGE ; LEPTON BEAMS ; MAGNETIC FIELDS ; PARTICLE BEAMS ; PLASMA ; RADIATIONS ; RELATIVISTIC PLASMA ; RELATIVISTIC RANGE ; SCATTERING
É parte de: Phys. Rev., A; (United States), 1976-09, Vol.14 (3), p.1194-1201
Descrição: An intense relativistic electron beam has been injected into a cylindrical drift tube containing a counterstreaming electromagnetic wave (f/sub i/ = 9.3 GHz and P/sub i/ = 170 kW). Within a narrow range of axial magnetic field centered at 5 kG, a reflected wave at f/sub s/ approx. 40 GHz was generated by the interaction of the beam with the incident wave. The reflected wave was observed to have a power of several hundred kilowatts (i.e., greater than the power of the incident wave) and a pulse duration on the order of nanoseconds. All observed experimental characteristics (viz. frequency shift, power amplification, pulse duration, and cyclotron resonance) were consistent with a model of reflection from the discontinuity in refractive index that is associated with an electron beam front near cyclotron resonance. This mechanism could be employed in a new class of short-pulse, ultrahigh power, tunable generators at millimeter and submillimeter wavelengths. (AIP)
Editor: United States
Idioma: Inglês

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Realization of a relativistic mirror: Electromagnetic backscattering from the front of a magnetized relativistic electron beam

Granatstein, V. L. ; Sprangle, P. ; Parker, R. K. ; Pasour, J. ; Herndon, M. ; Schlesinger, S. P. ; Seftor, J. L.

United States

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