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Proceedings Paper

Low-threshold VUV amplification in Kr gases with a bichromatic-coupling method
Author(s): Masahiro Takeoka; Atsushi Uchida; Tsuneo Nakata; Fumihiko Kannari
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Paper Abstract

We propose and analyze a novel low-threshold amplification scheme by bichromatically coupling three upper states including a metastable state. We numerically show that it is possible to amplify VUV emission in Kr gases without population inversion at the probe transition. It is shown that the origin of low-threshold gain is the population trapping of upper states dressed by two intense coupling lasers, and there is a possibility of forming large population inversion in optically dressed systems.

Paper Details

Date Published: 2 May 1997
PDF: 8 pages
Proc. SPIE 2989, Modeling and Simulation of Higher-Power Laser Systems IV, (2 May 1997); doi: 10.1117/12.273665
Show Author Affiliations
Masahiro Takeoka, Keio Univ. (Japan)
Atsushi Uchida, Keio Univ. (Japan)
Tsuneo Nakata, Keio Univ. (Japan)
Fumihiko Kannari, Keio Univ. (Japan)

Published in SPIE Proceedings Vol. 2989:
Modeling and Simulation of Higher-Power Laser Systems IV
Usamah O. Farrukh; Santanu Basu, Editor(s)

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