1.86 W cw single-frequency 1319 nm ring laser pumped at 885 nm |
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| Authors: | Li M L Zhao W F Zhang S B Guo L Hou W Li J M Lin X C |
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| Affiliation: | Laboratory of All-Solid-State Light Sources, Institute of Semiconductors, Chinese Academy of Sciences, P.O. Box 912, Beijing 100083, China. |
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| Abstract: | A 1.86 W cw single-frequency 1319 nm laser was produced by using an 885 nm-pumped Nd:YAG crystal with a compact four-mirror ring cavity, for the first time to our knowledge. The Nd:YAG produced a slope efficiency of 21% and an optical-to-optical efficiency of 18% with respect to the absorbed diode pump power. A near-diffraction-limited beam with M(2)=1.2 was achieved under the maximum output power. |
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