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Proceedings Paper

Status of laser-Compton x-ray generation project for FESTA
Author(s): Fumio Sakai; Shinji Ito; Tatsuya Yanagida; Jinfeng Yang; Masafumi Yorozu
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Paper Abstract

FESTA has been developing short pulse X-ray generation technologies using Laser-Compton scattering. Two years ago, X-ray generation with a 90-degree collision configuration was achieved using a photocathode as the electron source and a 100fs Ti:sapphire laser as the photon source. Electron and laser light pulses were synchronized so that the fluctuation of X-ray intensity was 25% (rms). In the next stage, the x-ray generation system is being modified for use in practical applications. The electron energy has been raised to 40 MeV to increase to X-ray photon energy. Laser power will be increased to 0.5 J/pulse with a 100Hz repetition rate. The laser gain medium has been changed to Yb:S-FAP which is pumped by laser diodes. The synchronization system will be further modified to increase its stability. These technologies will be used to generate 15 -to 30 keV X-ray pulses with a stable peak-to-peak intensity for use in several applications.

Paper Details

Date Published: 7 January 2004
PDF: 7 pages
Proc. SPIE 5196, Laser-Generated and Other Laboratory X-Ray and EUV Sources, Optics, and Applications, (7 January 2004); doi: 10.1117/12.505664
Show Author Affiliations
Fumio Sakai, Femtosecond Technology Research Association (Japan)
Shinji Ito, Femtosecond Technology Research Association (Japan)
Tatsuya Yanagida, Femtosecond Technology Research Association (Japan)
Jinfeng Yang, Sumitomo Heavy Industries, Ltd. (Japan)
Masafumi Yorozu, Sumitomo Heavy Industries, Ltd. (Japan)


Published in SPIE Proceedings Vol. 5196:
Laser-Generated and Other Laboratory X-Ray and EUV Sources, Optics, and Applications
George A. Kyrala; Jean-Claude J. Gauthier; Carolyn A. MacDonald; Ali M. Khounsary, Editor(s)

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