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Calculation of atomic excitation processes of X-ray laser plasmas irradiated by short-pulse intense KrF laser pulses

Published online by Cambridge University Press:  09 March 2009

A. Sasaki ,
H. Yoneda ,
K. Ueda  and
H. Takuma
A. Sasaki
Affiliation:
Institute for Laser Science, University of Electro-Communications, 1–5–1 Chofugaoka, Chofu, Tokyo 182, Japan
H. Yoneda
Affiliation:
Institute for Laser Science, University of Electro-Communications, 1–5–1 Chofugaoka, Chofu, Tokyo 182, Japan
K. Ueda
Affiliation:
Institute for Laser Science, University of Electro-Communications, 1–5–1 Chofugaoka, Chofu, Tokyo 182, Japan
H. Takuma
Affiliation:
Institute for Laser Science, University of Electro-Communications, 1–5–1 Chofugaoka, Chofu, Tokyo 182, Japan
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Abstract

An atomic model of the laser-produced Al plasma has been developed and used to analyze excitation processes of recombination pumping soft X-ray lasers. A soft X-ray gain for H-like Balmer-α line and He-like 3d-2p transition in short-pulse intense KrF laser (IL = 1014–1015 W/cm2, T = 10–100 ps)-produced Al plasmas are calculated for various laser temporal pulse shapes to find the condition for efficient production of population inversion. Results from different models are compared and requirements for the atomic model for X-ray laser design are discussed.

Type
Research Article
Information
Laser and Particle Beams , Volume 11 , Issue 1 , March 1993 , pp. 25 - 30
Copyright
Copyright © Cambridge University Press 1993

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References

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