Output-coupling-dependent polarization state of a continuous-wave Yb:YCa4O(BO3)3 laser |
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| Authors: | Liu Junhai Zhang Huaijin Wang Jiyang Petrov Valentin |
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| Institution: | College of Physics, Qingdao University, Ning-Xia Road 308, Qingdao 266071, China. junhai_liu@hotmail.com |
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| Abstract: | High-power continuous-wave laser operation was demonstrated with a y-cut Yb:YCa(4)O(BO(3))(3) crystal, showing critical dependence on the output coupler used. Polarized laser oscillation with E||x was obtained at 1085.6 nm by using a coupler of 0.5% transmission, yielding an output power of 7.3 W with an optical-to-optical efficiency of 63%. Higher output couplings (>/=2%) led to polarized oscillation with E||z at laser wavelengths
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