Operation of the high-brightness linac for the advanced free-electron laser initiative at Los Alamos

Richard L. Sheffield; R. H. Austin; Kwok-Chi D. Chan; S. M. Gierman; John M. Kinross-Wright; S. H. Kong; Dinh C. Nguyen; S. J. Russell; C. A. Timmer

doi:10.1117/12.164804

29 November 1993 Operation of the high-brightness linac for the advanced free-electron laser initiative at Los Alamos

Richard L. Sheffield, R. H. Austin, Kwok-Chi D. Chan, S. M. Gierman, John M. Kinross-Wright, S. H. Kong, Dinh C. Nguyen, S. J. Russell, C. A. Timmer

Author Affiliations +

Proceedings Volume 2013, Electron-Beam Sources of High-Brightness Radiation; (1993) https://doi.org/10.1117/12.164804
Event: SPIE's 1993 International Symposium on Optics, Imaging, and Instrumentation, 1993, San Diego, CA, United States

Abstract

Free-electron lasers and high-energy physics accelerators have increased the demand for very high-brightness beam sources. This paper describes the design of an accelerator which has produced beams of 2.1 (pi) mm-mrad at 1 nC and emittances of 3.7 and 6.5 (pi) mm-mrad for 2 and 3 nC, respectively. The accelerator has been operated between 10 and 18 MeV. The beam emittance growth in the accelerator is minimized by using a photoinjector electron source integrated into the design of the linac, a focusing solenoid to correct the emittance growth caused by space charge, and a special design of the coupling slots between accelerator cavities to minimize quadrupole effects. The FEL has recently operated at 5 microns.

Citation Download Citation

Richard L. Sheffield, R. H. Austin, Kwok-Chi D. Chan, S. M. Gierman, John M. Kinross-Wright, S. H. Kong, Dinh C. Nguyen, S. J. Russell, and C. A. Timmer "Operation of the high-brightness linac for the advanced free-electron laser initiative at Los Alamos", Proc. SPIE 2013, Electron-Beam Sources of High-Brightness Radiation, (29 November 1993); https://doi.org/10.1117/12.164804

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