Diode-pumped high-efficiency passively Q-switched Yb:CaYAlO4 laser |
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| Authors: | Zi-Ye Gao author-information" >,Guang-Qiong Xia,Rui Tang,Yan Xu,Zheng-Mao Wu |
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| Affiliation: | 1.School of Physical Science and Technology,Southwest University,Chongqing,China;2.School of Mathematics and Statistics,Southwest University,Chongqing,China |
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| Abstract: | We experimentally demonstrated a high-efficiency passively Q-switched Yb:CaYAlO4 (Yb:CYA) laser based on a semiconductor-saturable absorber mirror (SESAM), and the output characteristics of the laser including the average output power, repetition frequency, pulse duration, pulse energy and pulse peak power were investigated by adopting output mirrors with different transmittances. When the transmittance of the output mirror was 5% and the pump power was set at about 7.76 W, a maximum average output power of as high as 2.480 W was achieved with a slope efficiency and light-to-light efficiency of the Q-switched Yb:CYA laser of up to 37.1% and 31.2%, respectively. |
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