Efficient frequency doubling of 1-W continuous-wave Ti:sapphire laser with a robust high-finesse external cavity |
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| Authors: | Kumagai Hiroshi Asakawa Yuichi Iwane Tetsuaki Midorikawa Katsumi Obara Minoru |
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| Affiliation: | Laser Technology Laboratory, RIKEN, The Institute of Physical and Chemical Research, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan. hkumahai@postman.riken.go.jp |
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| Abstract: | We demonstrated an intrinsic conversion efficiency of 56% from the input fundamental power to the generated second-harmonic power. The second-harmonic power of 581 mW was obtained from the external cavity with a LiB3O5 crystal through the frequency doubling of a 1.17-W Ti:sapphire laser at 746 nm, when the finesse of the robust external cavity was 260. |
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