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Proceedings Paper

Optimal gain-to-loss ratio for COIL and EOIL
Author(s): A. V. Mezhenin
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Paper Abstract

The two-level generation model has been applied to analyze the dependence of power efficiency of chemical oxygen-iodine laser (COIL) and electric oxygen-iodine laser (EOIL) on three dimensionless similarity criteria: residence-to-extraction time ratio γd, gain-to-loss ratio Π and relaxation-to-excitation rate ratio Λ. Power efficiency is represented as the product of two factors – the medium extraction efficiency and the extraction efficiency of resonator – each being a function of the Π. The dependences of the similarity criteria γd and Π optimal values on the kinetic and optical losses have been found. At low kinetic and optical losses, it is expedient to work with high values of γd and Π respectively. It has been found that maximum power efficiency is achieved when Π=3–8 for COIL and Π=9–17 for EOIL at the typical γd and optical losses rate.

Paper Details

Date Published: 13 January 2017
PDF: 6 pages
Proc. SPIE 10254, XXI International Symposium on High Power Laser Systems and Applications 2016, 102540L (13 January 2017); doi: 10.1117/12.2256566
Show Author Affiliations
A. V. Mezhenin, Samara National Research Univ. (Russian Federation)


Published in SPIE Proceedings Vol. 10254:
XXI International Symposium on High Power Laser Systems and Applications 2016
Dieter Schuoecker; Richard Majer; Julia Brunnbauer, Editor(s)

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