Tunable continuous-wave laser at quasi-three-level with a disordered Nd:LGS crystal |
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| Authors: | Wang Qing Wei Zhiyi Zhang Yongdong Zhang Zhiguo Yu Haohai Zhang Huaijin Wang Jiyang Gao Mingwei Gao Chunqing Wang Zhenlin |
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| Institution: | Laboratory of Optical Physics, Institute of Physics, Beijing National Laboratory for Condensed Matter Physics, Chinese Academy of Sciences, Beijing, 100190, China. |
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| Abstract: | A diode-pumped tunable CW Nd(3+):LGS laser at quasi-three-level has been demonstrated. The output power up to 403 mW at the central wavelength of 904 nm was obtained, corresponding to a slope efficiency of 29.7%. Taking advantage of the broad emission spectrum of the disordered crystal Nd:LGS, we tuned the laser wavelength within the spectral range of 899.8 to 906.6 nm with an etalon inserted into the V-type cavity. To the best of our knowledge, it is the first time to obtain a tunable laser based on the (4)F(3/2)-(4)I(9/2) transition of Nd(3+)-doped crystals. |
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