Generation of high-power blue light in periodically poled LiNbO3

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Ross, Graeme W. and Pollnau, Markus and Smith, Peter G.R. and Clarkson, W. Andrew and Britton, Paul E. and Hanna, David C. (1998) Generation of high-power blue light in periodically poled LiNbO3. Optics Letters, 23 (3). pp. 171-173. ISSN 0146-9592

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Abstract:We report the generation of 450-mW average blue (473-nm) power by frequency doubling of a diode-pumped 946-nm Nd:YAG laser. We achieved pulsed operation at a high repetition rate (~160 kHz) by driving the relaxation oscillations of the laser. A 40% conversion efficiency to the second harmonic was obtained in a single-pass, extracavity, first-order, quasi-phase-matched process in which periodically poled lithium niobate (period 4.5 mm, thickness 0.5 mm, and length 15 mm) at 140 ±C was used. The resulting high-power blue beam was circular in profile and nearly diffraction limited, indicating that photorefractive effects do not appear to limit device performance.
Item Type:Article
Copyright:© 1998 Optical Society of America
Link to this item:http://purl.utwente.nl/publications/70105
Official URL:http://dx.doi.org/10.1364/OL.23.000171
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