Linac coherent light source (LCLS) at 2-4 nm using the SLAC linac

John T. Seeman; Karl Bane; R. Boyce; G. Loew; P. Morton; Heinz-Dieter Nuhn; J. Paterson; Piero A. Pianetta; T. Raubenheimer; Roman O. Tatchyn; V. Vylet; Herman Winick; Claudio Pellegrini; James B. Rosenzweig; Gil Travish; Donald Prosnitz; Ernst Ted Scharlemann; Klaus Halbach; Kwang Je Kim; Ming Xie

doi:10.1117/12.164792

29 November 1993 Linac coherent light source (LCLS) at 2-4 nm using the SLAC linac

John T. Seeman, Karl Bane, R. Boyce, G. Loew, P. Morton, Heinz-Dieter Nuhn, J. Paterson, Piero A. Pianetta, T. Raubenheimer, Roman O. Tatchyn, V. Vylet, Herman Winick, Claudio Pellegrini, James B. Rosenzweig, Gil Travish, Donald Prosnitz, Ernst Ted Scharlemann, Klaus Halbach, Kwang Je Kim, Ming Xie

Author Affiliations +

Proceedings Volume 2013, Electron-Beam Sources of High-Brightness Radiation; (1993) https://doi.org/10.1117/12.164792
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

We describe the possible use of the SLAC linac to drive a unique, powerful, short wavelength Linac Coherent Light Source. Using the FEL principle, lasing is achieved in a single pass of a high peak current electron beam through a long undulator by self-amplified-spontaneous- emission (SASE). The main components are a high-brightness electron RF gun with a photocathode, two electron bunch length compressors, the existing SLAC linac, beam diagnostics, and a long undulator combined with a FODO quadrupole focusing system. The RF gun, to be installed about 1 km from the end of the SLAC linac, would produce a single bunch of 6 X 10⁹ electrons with an invariant emittance of about 3 mm-mrad and a bunch length of about 500 micrometers . That bunch is then accelerated to 100 MeV and compressed to a length of about 200 micrometers . The main SLAC linac accelerates the bunch to 2 GeV where a second bunch compressor reduces the length to 30 - 40 micrometers and produces a peak current of 2 - 3 kA. The bunch is then accelerated to 7 - 8 GeV and transported to a 50 - 70 m long undulator. Using electrons below 8 GeV, the undulator could operate at wavelengths down to 2 nm, producing about 10 GW peak power in sub-ps light pulses.

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John T. Seeman, Karl Bane, R. Boyce, G. Loew, P. Morton, Heinz-Dieter Nuhn, J. Paterson, Piero A. Pianetta, T. Raubenheimer, Roman O. Tatchyn, V. Vylet, Herman Winick, Claudio Pellegrini, James B. Rosenzweig, Gil Travish, Donald Prosnitz, Ernst Ted Scharlemann, Klaus Halbach, Kwang Je Kim, and Ming Xie "Linac coherent light source (LCLS) at 2-4 nm using the SLAC linac", Proc. SPIE 2013, Electron-Beam Sources of High-Brightness Radiation, (29 November 1993); https://doi.org/10.1117/12.164792

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