27 February 2009 Deep-ultraviolet frequency converted optically pumped semiconductor laser
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A frequency-converted optically pumped semiconductor laser (OPSL) is described. The 976-nm OPSL is frequency doubled intracavity and is forced to operate in single longitudinal mode. An external resonator, containing a cesium lithium borate crystal is locked to the 488-nm fundamental, generating the second harmonic at 244 nm. Continuous wave output in excess of 200 mW is generated.
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Yushi Kaneda, Yushi Kaneda, Tsuei-Lian Wang, Tsuei-Lian Wang, J. M. Yarborough, J. M. Yarborough, Mahmoud Fallahi, Mahmoud Fallahi, Jerome V. Moloney, Jerome V. Moloney, Masashi Yoshimura, Masashi Yoshimura, Yusuke Mori, Yusuke Mori, Takatomo Sasaki, Takatomo Sasaki, "Deep-ultraviolet frequency converted optically pumped semiconductor laser", Proc. SPIE 7193, Solid State Lasers XVIII: Technology and Devices, 719318 (27 February 2009); doi: 10.1117/12.811888; https://doi.org/10.1117/12.811888

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