High-efficiency 266-nm output of a KBe2BO3F2 crystal.
Fourth-harmonic generation of a Nd:YAG laser has been achieved with a conversion efficiency of 30.6% in a KBeBO3F2 crystal of thickness 1.8 mm. The acceptance angle at wavelength 532 nm has also been measured.
Wang
Guiling
G
Beijing Center for Crystal Research and Development, Technical Institute of Physics and Chemistry, Chinese Academy of Sciences, Beijing 100080, China. wglamanda@hotmail.com
Zhang
Chengqian
C
Chen
Chuangtian
C
Yao
Aiyun
A
Zhang
Jie
J
Xu
Zuyan
Z
Wang
Jiyang
J