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Proceedings Paper

Stored energy and gain lasing in an edge-pumped ceramic Yb:YAG disk laser under intense pumping
Author(s): John Vetrovec; Drew A. Copeland; Amardeep S. Litt; Suraj J. Thiagarajan; Eldridge Briscoe
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Paper Abstract

We report on testing of an edge-pumped ceramic Yb:YAG disk laser for pulse amplification under intense pumping. The disk has a composite construction with Yb-doped central portion cosintered with an undoped perimetral edge. Light from multi-kW pulsed diodes is transported though the disk edge and absorbed in the Yb-doped center. This configuration results in a very simple and compact laser gain module. The disk is operated as a storage amplifier. Amplified spontaneous emission and parasitic lasing is alleviated by the geometry of the laser disk edge rather than absorption cladding. Our test results indicate that this approach offers a robust mitigation of ASE. This work presents results of stored energy, gain, and ASE mitigation in the Yb:YAG disk laser under intense pumping.

Paper Details

Date Published: 1 March 2017
PDF: 9 pages
Proc. SPIE 10084, High Power Lasers for Fusion Research IV, 1008407 (1 March 2017); doi: 10.1117/12.2253547
Show Author Affiliations
John Vetrovec, Aqwest, LLC (United States)
Drew A. Copeland, Aqwest, LLC (United States)
Amardeep S. Litt, Aqwest, LLC (United States)
Suraj J. Thiagarajan, Aqwest, LLC (United States)
Eldridge Briscoe, General Atomics Aeronautical Systems, Inc. (United States)

Published in SPIE Proceedings Vol. 10084:
High Power Lasers for Fusion Research IV
Abdul A. S. Awwal, Editor(s)

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