High power,high efficiency optically pumped NH3 lasers |
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Authors: | J. D. White A. Chakrabarti J. Reid |
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Affiliation: | (1) Department of Engineering Physics, McMaster University, ON L8S 4M1 Hamilton, Canada;(2) Present address: Lumonics Inc., 105 Schneider Rd., K2K 1Y3 Kanata, Ontario, Canada |
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Abstract: | A simple and efficient NH3 laser was tuned over more than 70 vibrational band transitions between 10.08 and 14.14 m. The active medium was a dilute mixture of ammonia in argon and was optically pumped by the 9R(30) transition of a pulsed TEA-CO2 laser. Output energies greater than 1 J per pulse were observed on several of the strongest lines. In a non-selective cavity an energy conversion efficiency of greater than 35% was obtained with a maximum output energy of 4.6J. Optically pumped NH3 is shown to be a flexible and efficient system for the downconversion of CO2 radiation. |
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Keywords: | 33.80.Be 42.55.Hq 42.60.By |
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