27 November 2000 Three-mirror two-frequency He-Ne laser with stabilized beat frequency
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Proceedings Volume 4316, International Conference on Lasers for Measurements and Information Transfer; (2000) https://doi.org/10.1117/12.407685
Event: International Conference on Lasers for Measurements and Information Transfer, 2000, St. Petersburg, Russian Federation
Abstract
The results of investigation of the temperature effect on the intermode beat frequency for a two-frequency He-Ne laser with tree-mirror cavity are presented. The laser cavity was made as a monoblock unit of the material, which coefficient of thermal expansion is less than 2 X 10-7 K-1. The mirrors was mounted by optical contact technique. The beat frequency stabilization is performed by using the temperature dependence for linear phase anisotropy of the tilted mirror. The laser wavelength is 633 nm. The light angle on the tilted mirror is 45 degrees. At the stabilized regime the beat frequency drift does not exceed +/- 100 Hz during 15 min. The typical transition time value was 50 - 250 s.
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Valery G. Gudelev, Valery G. Gudelev, Yuri P. Zhurik, Yuri P. Zhurik, } "Three-mirror two-frequency He-Ne laser with stabilized beat frequency", Proc. SPIE 4316, International Conference on Lasers for Measurements and Information Transfer, (27 November 2000); doi: 10.1117/12.407685; https://doi.org/10.1117/12.407685
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