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Atmospheric and Oceanic Optics

, Volume 32, Issue 3, pp 366–369 | Cite as

The Comparison of Lasing Parameters of Ne + Eu and He + Eu Lasers

  • V. G. SokovikovEmail author
  • A. G. Filonov
  • D. V. ShiyanovEmail author
OPTICAL SOURCES AND RECEIVERS FOR ENVIRONMENTAL STUDIES
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Abstract

The lasing characteristics of an atomic europium vapor laser with He and Ne as a buffer gas at the y8P9/2\({{8}^{7}}D_{{11/2}}^{0}\) transition at a wavelength of 1.76 µm are compared. It is shown that the output power and pulsed energy of the He + Eu laser, which depend on the pumping power and pulse repetition frequency, are slightly worse than those of the Ne + Eu laser. An empirical model is proposed to explain the behavior of the He + Eu laser output power as a function of the input power. It is ascertained that the He + Eu laser lifetime does not exceed two hours, while the Ne + Eu laser has been operated for about 200 hours by the end of the experiment. It is suggested that the same process, where He participates, is responsible for the relaxation of metastable levels of the Eu ion and atom and the degradation of active media, which consist of a mixture of Eu and He vapors.

Keywords:

europium vapor laser ion Eu laser atom Eu laser buffer gas degradation of the active medium 

Notes

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Copyright information

© Pleiades Publishing, Ltd. 2019

Authors and Affiliations

  1. 1.V.E. Zuev Institute of Atmospheric Optics, Siberian Branch, Russian Academy of SciencesTomskRussia

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