Enhanced performance of an electric oxygen-iodine laser

D. L. Carroll; G. F. Benavides; J. W. Zimmerman; B. S. Woodard; M. T. Day; A. D. Palla; J. T. Verdeyen; W. C. Solomon

doi:10.1117/12.845913

17 February 2010 Enhanced performance of an electric oxygen-iodine laser

D. L. Carroll, G. F. Benavides, J. W. Zimmerman, B. S. Woodard, M. T. Day, A. D. Palla, J. T. Verdeyen, W. C. Solomon

Proceedings Volume 7581, High Energy/Average Power Lasers and Intense Beam Applications IV; 758102 (2010) https://doi.org/10.1117/12.845913
Event: SPIE LASE, 2010, San Francisco, California, United States

Abstract

Experiments and modeling have led to continued enhancements in the Electric Oxygen-Iodine Laser (ElectricOIL) system. This continuous wave (cw) laser operating on the 1315 nm transition of atomic iodine is pumped by the production of O₂(a) in a radio-frequency (RF) discharge in an O₂/He/NO gas mixture. New discharge geometries have led to improvements in O₂(a) production and efficiency. A 95% enhancement in cw laser power was achieved via a 50% increase in gain length, flow rates, and discharge power. A further 87% increase in extracted laser power was obtained using a larger mode volume resonator. The gain has improved by more than 100-fold from the initial demonstration of 0.002% cm^-1 to 0.26% cm^-1, and similarly the outcoupled laser power has improved more than 500-fold from 0.16 W to 102 W.

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D. L. Carroll, G. F. Benavides, J. W. Zimmerman, B. S. Woodard, M. T. Day, A. D. Palla, J. T. Verdeyen, and W. C. Solomon "Enhanced performance of an electric oxygen-iodine laser", Proc. SPIE 7581, High Energy/Average Power Lasers and Intense Beam Applications IV, 758102 (17 February 2010); https://doi.org/10.1117/12.845913

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