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Experimental results from a DC photocathode electron gun for an IR FEL [electronic resource].

Published
Washington, D.C. : United States. Dept. of Energy. Office of Energy Research, 1997.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
2 pages : digital, PDF file
Additional Creators
Thomas Jefferson National Accelerator Facility (U.S.), United States. Department of Energy. Office of Energy Research, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
A 350 keV DC photocathode gun capable of delivering the high-brightness CW electron beam necessary for Jefferson Lab`s infrared free-electron laser is described. The gun is to be used with a superconducting radiofrequency linac operating at 1.497 GHz and is mode-locked to the 40th subharmonic of the fundamental using a Nd:YLF drive laser. The gun provides 20--25 ps bunches at up to 135 pC/bunch. Experimental measurements of transverse and longitudinal beam properties are presented. Transverse emittance is measured using a slit-wire scanner emittance meter, and energy spread is measured using the slit and a spectrometer magnet. Longitudinal emittance is measured using a combination of sampling aperture, kicker cavity, slit and spectrometer. Measurements for bunch charges of 135 pC are described and compared with simulations.
Report Numbers
E 1.99:doe/er/40150--1174
E 1.99: jlab-acp--97-09
E 1.99:conf-970885--
conf-970885--
jlab-acp--97-09
doe/er/40150--1174
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Note
Published through SciTech Connect.
10/01/1997.
"doe/er/40150--1174"
" jlab-acp--97-09"
"conf-970885--"
"DE98000365"
"KC0101000"
FEL `97: international free electron laser conference and 4. free electron laser users` workshop, Beijing (China), 18-22 Aug 1997.
Shinn, M.; Kehne, D.; Legg, R.; Engwall, D.
Funding Information
AC05-84ER40150
View MARC record | catkey: 14110515