Coster-Kronig mediated inner-shell x-ray lasers pumped by 20-fs 100-TW-class lasers

Dong-Eon Kim; S. H. Son; J. H. Kim; Csaba Toth; Christopher P. P. Barty

doi:10.1117/12.366660

21 October 1999 Coster-Kronig mediated inner-shell x-ray lasers pumped by 20-fs 100-TW-class lasers

Dong-Eon Kim, S. H. Son, J. H. Kim, Csaba Toth, Christopher P. P. Barty

Proceedings Volume 3776, Soft X-Ray Lasers and Applications III; (1999) https://doi.org/10.1117/12.366660
Event: SPIE's International Symposium on Optical Science, Engineering, and Instrumentation, 1999, Denver, CO, United States

Abstract

The development of keV X-ray lasers based on inner-shell atomic transitions requires extremely fast energy deposition on a target in order to effectively compete with the inherently fast (0.1 - 20 fs) atomic decay processes. The duration of ultrahigh peak power laser systems is now reaching this timescale. In principle, these systems can be used to produce sufficient duration and energy X-rays or electrons for pumping inner-shell transitions. In this paper X-ray laser schemes are described in which the Coster-Kronig Auger-process is the dominant lower level decay mechanism. Such systems have inherently short lower level lifetimes and it is shown that under certain conditions they can be inverted with excitation by energetic electrons as well as X-rays. They are therefore relatively immune to secondary electron ionization.

Citation Download Citation

Dong-Eon Kim, S. H. Son, J. H. Kim, Csaba Toth, and Christopher P. P. Barty "Coster-Kronig mediated inner-shell x-ray lasers pumped by 20-fs 100-TW-class lasers", Proc. SPIE 3776, Soft X-Ray Lasers and Applications III, (21 October 1999); https://doi.org/10.1117/12.366660

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