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Abstract
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Realization of a 50-watt facility-class sodium guidestar pump laser
Craig A. Denman, Paul D. Hillman, Gerald T. Moore, John M. Telle, Joseph E. Preston, Jack D. Drummond, Robert Q. Fugate
Publication: Proc. SPIE Vol. 5707, p. 46-49, Solid State Lasers XIV: Technology and Devices; Hanna J. Hoffman, Ramesh K. Shori; Eds.
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Date:
Apr 2005
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Abstract
A CW Na guidestar excitation source has been constructed and installed on the 3.5-m telescope at the Starfire Optical Range. This device is comprised of injection-locked Nd:YAG ring lasers operating at 1064 nm and 1319 nm and a doubly resonant cavity where sum-frequency generation of these wavelengths in LBO produces a diffraction-limited linearly-polarized 589-nm beam. Up to 50 W of 589-nm light for mesospheric guide-star generation has been produced. The injection-locked Nd:YAG lasers are capable of operating at up to 100 watts at 1064 nm and 60 watts at 1319 nm.
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