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Development of an injection-seeded single-frequency laser by using the phase modulated technique |
Shu-Tao Dai(戴殊韬)1,2, Hong-Chun Wu(吴鸿春)1, Fei Shi(史斐)1, Jing Deng(邓晶)1, Yan Ge(葛燕)1, Wen Weng(翁文)1, Wen-Xiong Lin(林文雄)1,2 |
1 Key Laboratory of Optoelectronic Materials Chemistry and Physics, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China; 2 University of Chinese Academy of Sciences, Beijing 100049, China |
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Abstract An injection-seeded single-frequency Q-switched Nd:YAG laser is accomplished by using a phase modulated ramp-fire technique. A RbTiOPO4 (RTP) electro-optic crystal is selected for effective optical path length modulation of the slave self-filtering unstable resonator. This single-frequency laser is capable of producing 50 mJ pulse energy at 1 Hz repetition rate with a pulse width of 16 ns. The standard deviation of laser pulse intensity for consecutive 100 shots from the mean pulse intensity is less than 1.05%. A spectral linewidth of less than 0.5 pm with a frequency jitter of about 14 fm over 30 min is obtained.
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Received: 05 January 2018
Revised: 29 January 2018
Accepted manuscript online:
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PACS:
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42.60.Gd
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(Q-switching)
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42.60.Da
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(Resonators, cavities, amplifiers, arrays, and rings)
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42.60.By
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(Design of specific laser systems)
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Fund: Project supported by the National Key Research and Development Program of China (Grant Nos.2017YFB1104500 and 2016YFB0701000). |
Corresponding Authors:
Wen-Xiong Lin
E-mail: wxlin@fjirsm.ac.cn
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Cite this article:
Shu-Tao Dai(戴殊韬), Hong-Chun Wu(吴鸿春), Fei Shi(史斐), Jing Deng(邓晶), Yan Ge(葛燕), Wen Weng(翁文), Wen-Xiong Lin(林文雄) Development of an injection-seeded single-frequency laser by using the phase modulated technique 2018 Chin. Phys. B 27 054212
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