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1 March 2001 Efficient intracavity frequency doubling of CO2 laser in nonlinear crystals
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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.
© (2001) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
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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