Frequency-tunable optically pumped carbon monoxide laser

John E. McCord; Andrei A. Ionin; Steven P. Phipps; Peter G. Crowell; Alan I. Lampson; John K. McIver; Gordon D. Hager

doi:10.1117/12.380951

3 April 2000 Frequency-tunable optically pumped carbon monoxide laser

John E. McCord, Andrei A. Ionin, Steven P. Phipps, Peter G. Crowell, Alan I. Lampson, John K. McIver, Gordon D. Hager

Author Affiliations +

Proceedings Volume 3889, Advanced High-Power Lasers; (2000) https://doi.org/10.1117/12.380951
Event: Advanced High-Power Lasers and Applications, 1999, Osaka, Japan

Abstract

Single line, frequency tunable lasing was observed in an optically pumped, repetitively pulsed, room temperature CO laser for the first time. The R(0) and R(7) ro-vibrational transitions in the (2,0) overtone of CO at 2.3 micrometer were optically pumped with a high-energy optical parametric oscillator (OPO). Single line lasing was observed on (2,1) P(2)-P(17) transitions and R(0)-R(11) transitions (covering wavelengths within the range 4.6 - 4.9 micrometer) when using a diffraction grating as the spectrally selective reflector of the laser resonator. The observed CO laser pulse lengths were approximately 10^-7 seconds with peak power being up to 10⁴ W. The influence of CO pressure, addition of buffer gas (He, Ar), Q-factor of the laser resonator, and pump pulse energy on CO laser pulse temporal characteristics and output energy spectral distribution was studied experimentally.

Citation Download Citation

John E. McCord, Andrei A. Ionin, Steven P. Phipps, Peter G. Crowell, Alan I. Lampson, John K. McIver, and Gordon D. Hager "Frequency-tunable optically pumped carbon monoxide laser", Proc. SPIE 3889, Advanced High-Power Lasers, (3 April 2000); https://doi.org/10.1117/12.380951

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KEYWORDS

Gas lasers

Carbon monoxide

Optical pumping

Optical parametric oscillators

Diffraction gratings

Laser resonators

Reflectivity

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