Efficient intracavity frequency doubling of CO2 laser in nonlinear crystals

Vladimir O. Petukhov; Vadim A. Gorobets; Sergei Y. Tochitsky; Konstantin V. Kozlov

doi:10.1117/12.417705

1 March 2001 Efficient intracavity frequency doubling of CO₂ laser in nonlinear crystals

Vladimir O. Petukhov, Vadim A. Gorobets, Sergei Y. Tochitsky, Konstantin V. Kozlov

Proceedings Volume 4351, Laser Optics 2000: High-Power Gas Lasers; (2001) https://doi.org/10.1117/12.417705
Event: Laser Optics 2000, 2000, St. Petersburg, Russian Federation

Abstract

Several original schemes for intracavity frequency doubling of CO₂ laser radiation (TEA and cw systems) in AgGaSe₂ nonlinear crystals have been proposed and studied experimentally. Computer modeling was used for optimization of the optical schemes and cavity parameters. The enhancement by several fold in conversion efficiency was achieved for intracavity SHG in comparison with traditional schemes. A 60% peak power efficiency and 15% energy conversion efficiency has been obtained with a TEA CO₂ laser. More than 100 mW at 5 micrometers was generated in the crystal with L equals 17 mm, which is a record output for SHG of a cw CO₂ laser. This output is more than 10 times higher than 5 micrometers power measured with standard focusing the CO₂ laser beam.

Citation Download Citation

Vladimir O. Petukhov, Vadim A. Gorobets, Sergei Y. Tochitsky, and Konstantin V. Kozlov "Efficient intracavity frequency doubling of CO₂ laser in nonlinear crystals", Proc. SPIE 4351, Laser Optics 2000: High-Power Gas Lasers, (1 March 2001); https://doi.org/10.1117/12.417705

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