Small signal gain in DPAL systems

Kristin L. Galbally-Kinney; Daniel L. Maser; William J. Kessler; Wilson T. Rawlins; Steven J. Davis

doi:10.1117/12.877272

17 February 2011 Small signal gain in DPAL systems

Kristin L. Galbally-Kinney, Daniel L. Maser, William J. Kessler, Wilson T. Rawlins, Steven J. Davis

Proceedings Volume 7915, High Energy/Average Power Lasers and Intense Beam Applications V; 791508 (2011) https://doi.org/10.1117/12.877272
Event: SPIE LASE, 2011, San Francisco, California, United States

Abstract

In this paper we describe a platform for small signal gain measurements for alkali atom laser systems based on the DPAL excitation method. We present initial results that clearly show the transition from absorption on the alkali atom D1 lines in Cs and Rb to optical transparency and positive gain. The achievement of optical gain is critically dependent upon alkali cell conditions and collision partners. We also present the first spatially resolved gain measurements in a DPAL system. The small signal gain methods described will be valuable tools for power scaling of these laser systems.

Citation Download Citation

Kristin L. Galbally-Kinney, Daniel L. Maser, William J. Kessler, Wilson T. Rawlins, and Steven J. Davis "Small signal gain in DPAL systems", Proc. SPIE 7915, High Energy/Average Power Lasers and Intense Beam Applications V, 791508 (17 February 2011); https://doi.org/10.1117/12.877272

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