| 临界及非临界相位匹配KTP光学参量振荡器 |
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| 引用本文： | 王月珠,姚宝权,王骐.临界及非临界相位匹配KTP光学参量振荡器[J].光学学报,2000,20(10):368-1373. |
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| 作者姓名： | 王月珠 姚宝权 王骐 |
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| 作者单位： | 哈尔滨工业大学光电子技术研究所,可调谐激光技术国家级重点实验室,哈尔滨,150001 |
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| 基金项目： | 国家自然科学基金!(6 93880 0 2 )资助项目 |
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| 摘 要： | 报道了利用Nd:YAG激光器二次谐波532nm及基频波1064nm作抽运源,采用临界及非临界相位匹配方式抽运KTP光学参量振荡器的实验结果.实验中获得了具有实用价值的1.53-1.84um人眼安全激光,KTP光学参量振荡器输出总量最大达130mJ,最高能量转换效率64%.分析比较了调谐范围、离分角、接收角、阈值及转换效率,讨论离分角对参量输出的光束质量、转换效率的影响.
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| 关 键 词： | 相位匹配 KTP晶体 光参量振荡器 |
| 收稿时间： | 1999/1/26 |
KTP Optical Parametric Oscillator with Both Critically and Non-Critically Phase-Matching |
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| Wang Yuezhu,Yao Baoquan,Wang qi.KTP Optical Parametric Oscillator with Both Critically and Non-Critically Phase-Matching[J].Acta Optica Sinica,2000,20(10):368-1373. |
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| Authors: | Wang Yuezhu Yao Baoquan Wang qi |
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| Abstract: | The experimental results of KTP optical parametric osillator(OPO) pumped by Nd:YAG lasers are reported at both wavelengths 1064 nm and 532 nm with critically phase-matching (CPM) and non-critically phase-matching (NCPM). The eye-safe lasers have been demonstrated with tuning range of 1.53 to 1.84 μm, maximum energy of 130 mJ, and energy conversion efficiency as high as 64%. The tuning range, walk-off angle, acceptance angle, threshold and conversion efficiency are compared and analyzed, and the effects of walk-off on the beam quality and conversion efficiency of OPO are discussed. |
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| Keywords: | KTP critically phase- matching non- critically phase- matching optical parametric oscillator |
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