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Appl Opt. 2010 Mar 20;49(9):1666-70. doi: 10.1364/AO.49.001666.

Generation of continuous-wave single-frequency 1.5 W 378 nm radiation by frequency doubling of a Ti:sapphire laser.

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  • 1Quantum Optics Division, Korea Atomic Energy Research Institute, 1045 Daedeok Street Yuseong-Gu, Daejeon 305-353, South Korea. yhcha@kaeri.re.kr

Abstract

We have generated continuous-wave single-frequency 1.5 W 378 nm radiation by frequency doubling a high-power Ti:sapphire laser in an external enhancement cavity. An LBO crystal that is Brewster-cut and antireflection coated on both ends is used for a long-term stable frequency doubling. By optimizing the input coupler's reflectivity, we could generate 1.5 W 378 nm radiation from a 5 W 756 nm Ti:sapphire laser. According to our knowledge, this is the highest CW frequency-doubled power of a Ti:sapphire laser.

PMID:
20300165
[PubMed]
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