LD end-pumped intracavity frequency doubled Yb:YAG laser |
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Authors: | Hong-Yi Lin Jin Guo Si-Wen Wang Hui-Ming Tan |
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Institution: | a Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences, Changchun 130033, China b Graduate School of the Chinese Academy of Sciences, Beijing 100039, China |
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Abstract: | A laser diode end-pumped 10 at.% doped Yb:YAG microchip crystal intracavity frequency doubled all solid-stated green laser is reported in this paper. Using one plano-concave resonator, with the pump power of 1.2 W, 44.2 mW TEM00 continuous wave (CW) laser at 525 nm was obtained, the optical conversion efficiency was about 3.7%. When a Cr:YAG crystal with initial transmission of 95.5% inserted in the resonator, the maximum output power of 6.4 mW, pulse duration width of 49.1 ns, pulse repetition rate of 2.45 kHz, and peak power of 53.1 W at 515 nm were achieved when the pump power was 1.2 W. The wavelength changed from 525 nm to 515 nm and the threshold was only 725 mW. |
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Keywords: | All-solid-state laser Yb:YAG crystal 525 nm 515 nm |
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