High-power, high-repetition-rate mid-infrared generation with PE-SRO based on a fan-out periodically poled MgO-doped lithium niobate |
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| Authors: | Bo Xiong Jian-Li Ma Bao-Hua Wang Ling Zhang Wei Hou Jin-Min Li |
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| Affiliation: | a Institute of Semiconductors, Chinese Academy of Sciences, Beijing 100083, Chinab Changchun University of Science and Technology, Jilin Changchun 130022, China |
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| Abstract: | We present a high-average-power, pulsed mid-infrared pump-enhanced singly-resonant optical parametric oscillator (PE-SRO) using a fan-out periodically poled MgO-doped lithium niobate (MgO:PPLN). The pump laser is a Q-switched Nd:YAG laser with a repetition rate of 10 kHz. When the pump power was 22.0 W, a maximum idler output power of 3.4 W at 3781.4 nm was obtained. The thermal guiding effect caused by signal absorption was observed and the crystal heating power was measured with a new method. |
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| Keywords: | Laser technique Optical parametric oscillator Quasi-phase-matching Periodically poled MgO-doped lithium niobate Mid-infrared |
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