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Proceedings Paper

Evaluation of population densities of a rubidium laser pumped with a narrow-linewidth Ti:Sapphire laser
Author(s): Shunyan Wang; You Wang; Juhong Han; Wei Zhang; He Cai; Guofei An; Ming Gao; Zhigang Jiang; Liangping Xue; Hongyuan Wang; Jie Zhou
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Paper Abstract

In the recent years, alkali vapor lasers have become the most promising candidates for realization of a light source with both good beam quality and high output power because of their excellent performances. A rubidium laser is a typical kind of alkali vapor lasers. In this study, we developed a theoretical mode to evaluate the population densities of three levels as well as mode-matching efficiency of a rubidium laser pumped by a narrow-linewidth Ti:Sapphire laser under two different focal conditions. In the evaluation, at least two values of the output power of a rubidium laser must be known, which are usually obtained from the experiment. We performed a series of experiments by using two pump lenses with two focal lengths of 150 and 200 mm, and acquired two corresponding values of the laser output power. Then, we applied the experimental results in the theoretical calculation and then obtained the population densities of three levels and mode-matching efficiency of the rubidium laser. The study demonstrates that the outputted pump power can be used for evaluation of the population densities of three levels and mode-matching efficiency of an alkali laser under the different experimental conditions. The study might be valuable to better understand the physical features of an alkali vapor laser and to optimize the configuration of a high-powered alkali laser in the future.

Paper Details

Date Published: 19 October 2016
PDF: 8 pages
Proc. SPIE 10152, High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration, 101521A (19 October 2016); doi: 10.1117/12.2247417
Show Author Affiliations
Shunyan Wang, Southwest Institute of Technical Physics (China)
You Wang, Southwest Institute of Technical Physics (China)
Juhong Han, Southwest Institute of Technical Physics (China)
Wei Zhang, Southwest Institute of Technical Physics (China)
He Cai, Southwest Institute of Technical Physics (China)
Guofei An, Southwest Institute of Technical Physics (China)
Ming Gao, Southwest Institute of Technical Physics (China)
Zhigang Jiang, Southwest Institute of Technical Physics (China)
Liangping Xue, Southwest Institute of Technical Physics (China)
Hongyuan Wang, Southwest Institute of Technical Physics (China)
Jie Zhou, Southwest Institute of Technical Physics (China)


Published in SPIE Proceedings Vol. 10152:
High Power Lasers, High Energy Lasers, and Silicon-based Photonic Integration
Lijun Wang; Zhiping Zhou, Editor(s)

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