26 April 1995 High-average-current photocathode guns
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High-average power, short wavelength free-electron lasers (FELs) driven by RF accelerators require electron sources that are capable of producing beams that have both high brightness and high average current. In this paper we consider the electron source requirements for a putative 1 MW average power FEL operating at 1 micrometers wavelength. We examine the critical issues associated with developing an electron source suitable for such a device.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Patrick G. O'Shea, "High-average-current photocathode guns", Proc. SPIE 2376, Laser Power Beaming II, (26 April 1995); doi: 10.1117/12.208200; https://doi.org/10.1117/12.208200

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