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Proceedings Paper

Status Report Of The UCSB FEL Experimental Program
Author(s): Luis R. Elias; Gerald J. Ramian
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Paper Abstract

A beam recovery efficiency of 99.4% has been demonstrated with a 2.5 MeV, 1.2 ampere electrostatic accelerator electron beam system developed at UCSB to drive single-stage and two-stage free-electron lasers. Beam quality tests carried out at 10 keV and 2.5 MeV show that the measured transverse beam emittance agrees well with the theoretical limit imposed by the electron transverse thermal velocity distrubution generated by a thermoionic electron gun cathode and it is better than a factor of ten below that calculated from the Lawson-Penner relation. Also, a description of the UCSB FIR oscillator experiment is presented.

Paper Details

Date Published: 16 February 1984
PDF: 9 pages
Proc. SPIE 0453, Free-Electron Generators of Coherent Radiation, (16 February 1984); doi: 10.1117/12.947088
Show Author Affiliations
Luis R. Elias, University of California (United States)
Gerald J. Ramian, University of California (United States)


Published in SPIE Proceedings Vol. 0453:
Free-Electron Generators of Coherent Radiation
Charles A. Brau; Stephen F. Jacobs; Marlan O. Scully, Editor(s)

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