Simulation study of short-pulse laser energy conversion to x-ray line emission

Jiri Limpouch; A. B. Iskakov; Aleksandr A. Andreev; Hidetoshi Nakano

doi:10.1117/12.425554

23 April 2001 Simulation study of short-pulse laser energy conversion to x-ray line emission

Jiri Limpouch, A. B. Iskakov, Aleksandr A. Andreev, Hidetoshi Nakano

Proceedings Volume 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter; (2001) https://doi.org/10.1117/12.425554
Event: 26th European Conference on Laser Interaction with Matter (ECLIM 2000), 2000, Prague, Czech Republic

Abstract

Line x-ray emission from short-pulse laser-produced plasmas is studied via 1D and 2D hydrodynamics models coupled with planar atomic physics post-processor. Laser energy conversion efficiency to He-(alpha) line emission is shown to be significantly enhanced when laser prepulse precedes the main pulse at an optimum pulse separation. The calculated optimum pulse separation of 1.5-2 ns as well as emitted energy and spectra compare well with the experiment.

Citation Download Citation

Jiri Limpouch, A. B. Iskakov, Aleksandr A. Andreev, and Hidetoshi Nakano "Simulation study of short-pulse laser energy conversion to x-ray line emission", Proc. SPIE 4424, ECLIM 2000: 26th European Conference on Laser Interaction with Matter, (23 April 2001); https://doi.org/10.1117/12.425554

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