Development of an ultrashort table-top electron and x-ray source pumped by laser

Jean-Pierre Girardeau-Montaut; Bela Kiraly; Claire Girardeau-Montaut; Hubert Leboutet

doi:10.1117/12.363694

15 September 1999 Development of an ultrashort table-top electron and x-ray source pumped by laser

Jean-Pierre Girardeau-Montaut, Bela Kiraly, Claire Girardeau-Montaut, Hubert Leboutet

Proceedings Volume 3771, Radiation Sources and Radiation Interactions; (1999) https://doi.org/10.1117/12.363694
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

We report on the design of the CIBER-X source which is a new laser driven table-top ultrashort electron and x-ray source. X-ray pulses are produced by a three-step process which consists of the electron pulse production from a thin metallic photocathode illuminated by picosecond 213 nm laser pulses with 16 ps duration. The electrons are accelerated in the diode by a cw electric field of 11 MV/m, and the photoinjector produces a single 70 - 100 keV electron pulse of approximately 0,5 nC and approximately 20 A peak current at a repetition rate of 10 Hz. The gun is a standard Pierce diode electrode type, the electrons leaving the diode through a hole made in the anode. The electrons are then transported along a path approximately 20 cm long, and are focused by two magnetic fields produced by electromagnetic coils. Finally, the x-rays are produced by the impact of electrons on a massive target of Tm. Simulations of geometrical and energetic characteristics of the complete source were done previously with assistance of the code PIXEL1. Finally, experimental performances of electron and x-ray bursts are discussed.

Citation Download Citation

Jean-Pierre Girardeau-Montaut, Bela Kiraly, Claire Girardeau-Montaut, and Hubert Leboutet "Development of an ultrashort table-top electron and x-ray source pumped by laser", Proc. SPIE 3771, Radiation Sources and Radiation Interactions, (15 September 1999); https://doi.org/10.1117/12.363694

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