| 多层介质膜偏振无关光栅的研制 |
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| 引用本文： | 申碧瑶,曾理江,李立峰,颜宏.多层介质膜偏振无关光栅的研制[J].强激光与粒子束,2015,27(11):111013. |
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| 作者姓名： | 申碧瑶 曾理江 李立峰 颜宏 |
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| 作者单位： | 1.清华大学 精密仪器系 精密测试技术及仪器国家重点实验室, 北京 1 00084; |
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| 摘 要： | 介绍了一种应用于光纤激光光谱合束的高衍射效率多层介质膜偏振无关光栅的设计及制作,给出了设计参数、制作流程和最终制作的偏振无关光栅的测量结果,在1.044~1.084μm波长范围内,实验测得的TE偏振光、TM偏振光的平均衍射效率分别为89.7%,93.8%。
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| 关 键 词： | 衍射光栅 偏振无关光栅 多层介质膜光栅 光谱合束 |
| 收稿时间： | 2015-07-23 |
Fabrication of polarization independent gratings made on multilayer dielectric thin film substrates |
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| Affiliation: | 1.Department of Precision Instrument,State Key Laboratory of Precision Measurement Technology and Instruments,Tsinghua University,Beijing 100084,China;2.Institute of Applied Electronics,CAEP,P.O.Box 919-1002,Mianyang 621900,China |
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| Abstract: | We briefly present design parameters and fabrication procedures of polarization independent gratings made on multilayer dielectric thin film substrates for spectral beam combining applications. In the wavelength range of 1.044 m to 1.084 m the -1st Littrow order average diffraction efficiencies of TE polarization and TM polarization are 89.7% and 93.8% respectively. |
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