THE UCLA IR FEL PROJECT

Citation
G. Baranov et al., THE UCLA IR FEL PROJECT, Nuclear instruments & methods in physics research. Section A, Accelerators, spectrometers, detectors and associated equipment, 331(1-3), 1993, pp. 228-231
Citations number
15
Categorie Soggetti
Nuclear Sciences & Tecnology","Physics, Particles & Fields","Instument & Instrumentation",Spectroscopy
ISSN journal
01689002
Volume
331
Issue
1-3
Year of publication
1993
Pages
228 - 231
Database
ISI
SICI code
0168-9002(1993)331:1-3<228:TUIFP>2.0.ZU;2-2
Abstract
A 10.6 mum free electron laser (FEL) operating in the high gain regime is under construction at UCLA. FEL physics significant to future shor t wavelength operation will be emphasized including optical guiding, s uperradiance, saturation and self-amplified spontaneous emission (SASE ). A 5 MeV rf photocathode gun illuminated by a UV laser will supply a high brightness electron beam which will be injected into a plane wav e transformer (PWT) linac for acceleration to 20 MeV. Recent measureme nts of the gun emittance as well as quantum efficiency are presented. The undulator is of a modified hybrid design producing approximately 7 .5 kG peak field on axis with 5 mm gap spacing and 1.5 cm pole period. Simulation results which include three-dimensional effects are furnis hed. The present status and future plans of the project are summarized .