Development of an Intense Electron Beam Environment for Material Characterization

An intense relativistic electron beam environment has been developed for material characterization. Experimental results on the magnetic compression and expansion of intense beams are presented and compared with theoretical models; emphasis is given to transport efficiency, electron angular distribu...

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1. Verfasser:	Darkin,D
Format:	Report
Sprache:	eng
Schlagworte:	COMPRESSION DIAGNOSIS(GENERAL) DIODES EFFICIENCY ELECTRICAL IMPEDANCE Electron beam diagnostics Electron beam experiments ELECTRON BEAMS INTENSITY LIFE EXPECTANCY(SERVICE LIFE) Magnetic compression MAGNETIC FIELDS Material response MATERIALS OWL-2 generator Particle Accelerators PE62704H PULSE GENERATORS Relativistic electron beams RELATIVITY THEORY RESPONSE TRANSPORT PROPERTIES WU12
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Zusammenfassung:	An intense relativistic electron beam environment has been developed for material characterization. Experimental results on the magnetic compression and expansion of intense beams are presented and compared with theoretical models; emphasis is given to transport efficiency, electron angular distributions, and beam uniformity. Diode energies of 75 kJ are achieved (DNA OWL 2 generator) with greater than 80 percent transport efficiency using a magnetic compression ratio of three. Experimental results have been analyzed in terms of the physics of diode impedance lifetime. Several diagnostics essential for characterizing these intense beams have been successfully demonstrated. (Author)