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Modeling of the static and flowing-gas ring-LD side-pumped alkali vapor amplifiers

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Abstract

A new method of pump-coupling in diode-pumped alkali vapor amplifier is reported, which uses ring-LD to tightly surround the alkali vapor cell for directly coupled side-pumping. The kinetic and fluid dynamic modeling, numerical approaches of the ring-LD side-pumped configuration are proposed and applied to the static and the flowing-gas Cs vapor amplifiers. Pump intensity and temperature distribution in the cell are simulated. Influences of some important factors on laser power are calculated and analyzed. Comparisons of different pumped configurations are made, demonstrating the highest utilizing efficiency of pump power of the ring-LD side-pumped configuration. Thus the model is very helpful for designing high-power side-pumped alkali vapor amplifiers.

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Acknowledgments

This work was supported by the Zhejiang Provincial Natural Science Foundation under Grant No. LY14A04005.

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Authors and Affiliations

  1. Department of Physics, Zhejiang University, Hangzhou, 310027, China

    Binglin Shen, Xingqi Xu, Chunsheng Xia & Bailiang Pan

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  1. Binglin Shen
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  2. Xingqi Xu
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  3. Chunsheng Xia
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  4. Bailiang Pan
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Correspondence to Bailiang Pan.

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Shen, B., Xu, X., Xia, C. et al. Modeling of the static and flowing-gas ring-LD side-pumped alkali vapor amplifiers. Appl. Phys. B 122, 210 (2016). https://doi.org/10.1007/s00340-016-6480-2

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  • DOI: https://doi.org/10.1007/s00340-016-6480-2

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