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Proceedings Paper

Cryogenic Yb:YAG thin-disk laser
Author(s): N. Vretenar; T. Carson; T. Lucas; T. Newell; W. P. Latham; P. Peterson; H. Bostanci; J. J. Lindauer; B. A. Saarloos; D. P. Rini
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Paper Abstract

At cryogenic temperatures, Yb:YAG behaves as a 4-level laser. Its absorption and emission cross-sections increase, and its thermal conductivity improves. Yb:YAG thin disk laser performance at room and cryogenic (80°K) temperatures will be presented. The Yb:YAG gain media is cooled using either a pressurized R134A refrigerant system or by a two-phase liquid nitrogen spray boiler. Interchangeable mounting caps allow the same Yb:YAG media to be switched between the two systems. This allows direct comparison of lasing, amplified spontaneous emission, and temperature performance between 20°C and -200°C.

Paper Details

Date Published: 5 October 2011
PDF: 8 pages
Proc. SPIE 8187, Technologies for Optical Countermeasures VIII, 818706 (5 October 2011); doi: 10.1117/12.903731
Show Author Affiliations
N. Vretenar, Ctr. for High Tech Materials, The Univ. of New Mexico (United States)
T. Carson, Air Force Research Lab. (United States)
T. Lucas, Boeing LTS Inc. (United States)
T. Newell, Air Force Research Lab. (United States)
W. P. Latham, Air Force Research Lab. (United States)
P. Peterson, Boeing LTS Inc. (United States)
H. Bostanci, RINI Technologies Inc. (United States)
J. J. Lindauer, RINI Technologies Inc. (United States)
B. A. Saarloos, RINI Technologies Inc. (United States)
D. P. Rini, RINI Technologies Inc. (United States)

Published in SPIE Proceedings Vol. 8187:
Technologies for Optical Countermeasures VIII
David H. Titterton; Mark A. Richardson, Editor(s)

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