High-power 390-nm laser source based on efficient frequency doubling of a tapered diode laser in an external resonant cavity
Optics Letters, Vol. 24, Issue 12, pp. 823-825 (1999)
http://dx.doi.org/10.1364/OL.24.000823
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Abstract
We frequency doubled the single-frequency beam from an external-cavity tapered laser diode operating at 780 nm in a resonant cavity containing a β -barium borate crystal to generate an output at 390 nm with high efficiency. Output powers as great as 233 mW were obtained, corresponding to an efficiency of 65%/W . The resonant-cavity design was a low-loss three-mirror configuration that provided compensation for astigmatism and coma. The laser diode frequency was locked to the doubling-cavity resonance by use of the Hänsch–Couillaud discrimination technique.
© 1999 Optical Society of America
[Optical Society of America ]
OCIS Codes
(140.2020) Lasers and laser optics : Diode lasers
(140.3610) Lasers and laser optics : Lasers, ultraviolet
(140.4780) Lasers and laser optics : Optical resonators
(160.4330) Materials : Nonlinear optical materials
(190.2620) Nonlinear optics : Harmonic generation and mixing
Citation
J. D. Bhawalkar, Y. Mao, H. Po, A. K. Goyal, P. Gavrilovic, Y. Conturie, and S. Singh, "High-power 390-nm laser source based on efficient frequency doubling of a tapered diode laser in an external resonant cavity," Opt. Lett. 24, 823-825 (1999)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-24-12-823
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