| Compact and tunable mid-infrared source based on a 2 μm dual-wavelength KTiOPO4 intracavity optical parametric oscillator |
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| 引用本文： | 耿优福,谭晓玲,李学金,姚建铨.Compact and tunable mid-infrared source based on a 2 μm dual-wavelength KTiOPO4 intracavity optical parametric oscillator[J].海洋学报(英文版),2010,29(11). |
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| 作者姓名： | 耿优福 谭晓玲 李学金 姚建铨 |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant Nos. 60777036 and 60671036), and the National Basic Research Program of China (Grant No. 2007CB310403). |
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| 摘 要： | Using a double resonant KTiOPO4 (KTP) intracavity optical parametric oscillator operating at degenerated point of 2 μm, we demonstrate a unique mid-infrared source based on difference frequency generation in GaSe crystal. The output tuning range is 8.42-19.52 μm, and a peak power of 834 W for type-I phase matching scheme and 730 W for type-II phase matching scheme are achieved. Experimental results show that this oscillator is a good alternative to the generator of a compact and tabletop mid-infrared radiation with a widely tunable range.
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