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Report No.

High-energy, high-efficiency second-harmonic generation from a Nd-doped laser with high-quality CsB$$_{3}$$O$$_{5}$$ crystal

Suzuki, Masayuki; Kiriyama, Hiromitsu; Nakai, Yoshiki*; Okada, Hajime; Daito, Izuru; Bolton, P.; Daido, Hiroyuki; Kondo, Kiminori; Kawanishi, Shunichi; Kagebayashi, Yoshio*; Yokota, Toshio*

We have demonstrated efficient second harmonic generation (SHG) of high energy fundamental Nd:YAG laser pulse energy of the multi-joule (J) level at 10-Hz using high optical quality top-seeded solution growth CsB$$_{3}$$O$$_{5}$$ (TSSG-CBO) crystal. SHG output energy of 1.2 J is obtained with a conversion efficiency of 60%. These results indicate that CBO is a good candidate material for high energy SHG of Nd-doped lasers at the several J level or more with high repetition rate.



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