| 基于少模光纤光栅的全光纤激光器产生轴对称偏振光束 |
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| 引用本文： | 孙彪,许立新,王安廷,顾春. 基于少模光纤光栅的全光纤激光器产生轴对称偏振光束[J]. 量子电子学报, 2014, 31(4): 412-418 |
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| 作者姓名： | 孙彪 许立新 王安廷 顾春 |
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| 作者单位： | 中国科学技术大学光学与光学工程系, 安徽 合肥 230026 |
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| 摘 要： | 轴对称矢量光束包含径向偏振和角向偏振，具有独特的强度和偏振分布，在表面等离子体激发、激光光镊和高分辨成像等领域有重要应用。光纤中的二阶本征模式TM01和TE01分别具有径向偏振和角向偏振的性质，可用于产生轴对称偏振光束。本文介绍基于少模光纤光栅的全光纤轴对称偏振光束的产生方法。
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| 关 键 词： | 波导与纤维光学，轴对称偏振光束；少模光纤光栅；光纤模式 |
Few-mode FBG-based all-fiber laser generating cylindrical vector beam |
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| SUN Biao,XU Lin-Xin,WANG An-Ting,GU Sun. Few-mode FBG-based all-fiber laser generating cylindrical vector beam[J]. Chinese Journal of Quantum Electronics, 2014, 31(4): 412-418 |
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| Authors: | SUN Biao XU Lin-Xin WANG An-Ting GU Sun |
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| Affiliation: | Department of Optics and Optical Engineering, University of Science and Technology of China, Hefei 230026，China |
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| Abstract: | Cylindrical vector beam including radially polarized and azimuthally polarized beam have drawn great attention because of their unique features in intensity and electrical distributions which are applied in variety of area such as plasmon excitation, optical tweezers and high-resolution metrology. Few-mode fibers are used to generate CVB due to their second order eigenmodes, TM01 and TE01 are, exactly, of radial and azimuthal polarization. In this paper, we introduce our works focusing on all-fiber laser generating CVB based on few-mode fiber Bragg grating(FMFBG) |
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| Keywords: | waveguide and fiber optics cylindrical vector beam； few-mode FBG；modes in fiber |
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