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Proceedings Paper

High power diode pumped alkali vapor lasers
Author(s): J. Zweiback; B. Krupke
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Paper Abstract

Diode pumped alkali lasers have developed rapidly since their first demonstration. These lasers offer a path to convert highly efficient, but relatively low brightness, laser diodes into a single high power, high brightness beam. General Atomics has been engaged in the development of DPALs with scalable architectures. We have examined different species and pump characteristics. We show that high absorption can be achieved even when the pump source bandwidth is several times the absorption bandwidth. In addition, we present experimental results for both potassium and rubidium systems pumped with a 0.2 nm bandwidth alexandrite laser. These data show slope efficiencies of 67% and 72% respectively.

Paper Details

Date Published: 12 May 2008
PDF: 8 pages
Proc. SPIE 7005, High-Power Laser Ablation VII, 700525 (12 May 2008); doi: 10.1117/12.782704
Show Author Affiliations
J. Zweiback, General Atomics (United States)
B. Krupke, WFK Lasers, LLC (United States)

Published in SPIE Proceedings Vol. 7005:
High-Power Laser Ablation VII
Claude R. Phipps, Editor(s)

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