| 基于周期极化化学计量比掺氧化镁钽酸锂晶体的高效率、单程、连续外腔倍频 |
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| 引用本文： | 张百钢,姚建铨,路洋,徐德刚,丁欣,王鹏,张铁犁,纪峰.基于周期极化化学计量比掺氧化镁钽酸锂晶体的高效率、单程、连续外腔倍频[J].中国物理 B,2005,14(2):353-358. |
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| 作者姓名： | 张百钢 姚建铨 路洋 徐德刚 丁欣 王鹏 张铁犁 纪峰 |
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| 作者单位： | College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China; Cooperated Institute of Nankai University and Tianjin University, Tianjin 300072, China; Key Laboratory of Optoelectric Information Science and Technology, Ministry of Education, Tianjin University, Tianjin 300072, China;College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China; Cooperated Institute of Nankai University and Tianjin University, Tianjin 300072, China; Key Laboratory of Optoelectric Information Science and Technology, Ministry of Education, Tianjin University, Tianjin 300072, China;College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China;College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China;College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China;College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China;College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China;College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China |
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| 基金项目： | Project supported by the National Natural Science Foundation of China (Grant Nos 60278001 and 10474071), the Science & Technology Cooperation Foundation of Nankai University and Tianjin University, the Ministry of Education, the Ph.D. Programme Foundation of Ministry of Education of China, Tianjin Municipal Technological Development Planning and the Out-standing Doctorate Dissertation of Tianjin University [2001]01. |
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| 摘 要： | 利用长度为20mm的周期极化化学计量比掺氧化镁钽酸锂晶体（PP-MgO: SLT），实现了转换效率为11.8%的单程连续外腔准相位匹配（QPM）倍频，此时1064nm基频光的输入功率为7.69W，获得的532nm倍频光的输出功率为905mW。实验中可以发现，在不同的基频光聚焦条件和输入功率下，对应最大倍频输出的晶体温控炉的设定温度也要随之改变。此外，对允许角和允许温度也进行了研究，实验结果和理论结果符合的很好。
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| 关 键 词： | 准相位匹配 周期极化化学计量比掺氧化镁钽酸锂 倍频 允许角度 |
| 收稿时间： | 2004-06-14 |
High-efficiency single-pass cw quasi-phase-matched frequency doubling based on PP-MgO:SLT |
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| Zhang Bai-Gang,Yao Jian-Quan,Lu Yang,Xu De-Gang,Ding Xin,Wang Peng,Zhang Tie-Li and Ji Feng.High-efficiency single-pass cw quasi-phase-matched frequency doubling based on PP-MgO:SLT[J].Chinese Physics B,2005,14(2):353-358. |
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| Authors: | Zhang Bai-Gang Yao Jian-Quan Lu Yang Xu De-Gang Ding Xin Wang Peng Zhang Tie-Li and Ji Feng |
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| Affiliation: | College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China; College of Precision Instrument and Opto-Electronics Engineering, Institute of Laser and Optoelectronics, Tianjin University, Tianjin 300072, China; Cooperated Institute of Nankai University and Tianjin University, Tianjin 300072, China; Key Laboratory of |
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| Abstract: | We demonstrate a single-pass cw quasi-phase-matched (QPM) frequency doubling based on periodically poled MgO-doped stoichiometric lithium tantalate (PP-MgO:SLT) with crystal length of 20mm. For the maximum 1064nm fundamental power of 7.69W, the maximum conversion efficiency and the maximum output second-harmonic power are 11.8% and 905mW, respectively. In the experiment we found that the optimum temperature of the oven for PP-MgO:SLT should be adjusted with the change of the fundamental power and the focal length. In addition, angular acceptance bandwidth and temperature acceptance bandwidth are studied. Their experimental results are in good agreement with the theoretical calculations. |
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| Keywords: | quasi-phase-matching periodically poled MgO-doped stoichiometric lithium tantalate (PP-MgO:SLT) second-harmonic generation angular acceptance bandwidth |
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