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Proceedings Paper

Avoiding thermal lenses with low temperatures
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Paper Abstract

Nd:YAG has favorable material properties to minimize the thermally induced lenses in lasers at cryogenic temperatures. In the present work we measured a significant reduction of the thermal lens in a Nd:YAG rod cooled with liquid nitrogen. The power range for stable fundamental-mode laser oscillation was demonstrated to be significantly enlarged at low temperatures. The experimental results were compared to analytical models and finite-elements simulations.

Paper Details

Date Published: 14 November 2003
PDF: 9 pages
Proc. SPIE 5147, ALT'02 International Conference on Advanced Laser Technologies, (14 November 2003); doi: 10.1117/12.537505
Show Author Affiliations
Hansjuerg Glur, Univ. of Bern (Switzerland)
Thomas Graf, Univ. of Bern (Switzerland)

Published in SPIE Proceedings Vol. 5147:
ALT'02 International Conference on Advanced Laser Technologies
Heinz P. Weber; Vitali I. Konov; Thomas Graf, Editor(s)

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