Measurements of the gain medium temperature in an operating Cs DPAL | Zendy

B. V. Zhdanov | Zendy; M.D. Rotondaro | Zendy; M. K. Shaffer | Zendy; R. J. Knize | Zendy

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Measurements of the gain medium temperature in an operating Cs DPAL

Author(s) -

B. V. Zhdanov,

M.D. Rotondaro,

M. K. Shaffer,

R. J. Knize

Publication year - 2016

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.019286

Subject(s) - lasing threshold , optics , interferometry , materials science , quenching (fluorescence) , laser , mach–zehnder interferometer , optoelectronics , physics , fluorescence

A Mach-Zehnder interferometer was used for contactless measurement of the temperature of the gain medium within a static cell of Cs DPAL. The maximum temperature recorded approached 700° C leading to a significant degradation of laser performance. This work also examined lasing and non-lasing heat deposition and has shown that as much as 85% of the heating in a DPAL gain medium can be attributed to quenching.

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