Continuous-wave all-solid-state 244 nm deep-ultraviolet laser source by fourth-harmonic generation of an optically pumped semiconductor laser using CsLiB6O10 in an external resonator

Yushi Kaneda, J. M. Yarborough, Li Li, Nasser N Peyghambarian, Li Fan, Chris Hessenius, Mahmoud Fallahi, Jorg Hader, Jerome V Moloney, Yoshiyuki Honda, Masato Nishioka, Youhei Shimizu, Kenshi Miyazono, Hiroya Shimatani, Masashi Yoshimura, Yusuke Mori, Yasuo Kitaoka, Takatomo Sasaki

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We report an all-solid-state laser system that generates over 200 mW cw at 244 nm. An optically pumped semiconductor laser is internally frequency doubled to 488 nm. The 488 nm output is coupled to an external resonator, where it is converted to 244 nm using a CsLiB6O10 (CLBO) crystal. The output power is limited by the available power at 488 nm, and no noticeable degradation in output power was observed over a period of several hours.

Original languageEnglish (US)
Pages (from-to)1705-1707
Number of pages3
JournalOptics Letters
Issue number15
Publication statusPublished - Aug 1 2008


ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

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