Compact eccentric long period grating with improved sensitivity in low refractive index region | |
Shen, Fangcheng1; Zhou, Kaiming2,3; Gordon, Neil2; Zhang, Lin2; Shu, Xuewen1 | |
刊名 | optics express
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2017-07-10 | |
卷号 | 25期号:14页码:15729-15736 |
ISSN号 | 10944087 |
通讯作者 | shu, xuewen (xshu@hust.edu.cn) |
产权排序 | 2 |
英文摘要 | we demonstrate a compact eccentric long period grating with enhanced sensitivity in low refractive index region. with a period designed at 15 μm for coupling light to high order cladding modes, the grating is more sensitive to surrounding refractive index in low refractive index region. the intrinsically low coupling coefficients for those high order cladding modes are significantly improved with the eccentric localized inscription induced by the femtosecond laser. the fabricated grating is compact with a length of 4.05 mm, and exhibits an average sensitivity of ~505 nm/riu in low refractive index region (1.3328-1.3544). the proposed principle can also work in other refractive index region with a proper choice of the resonant cladding modes. © 2017 optical society of america. |
收录类别 | EI |
语种 | 英语 |
内容类型 | 期刊论文 |
源URL | [http://ir.opt.ac.cn/handle/181661/29121] ![]() |
专题 | 西安光学精密机械研究所_瞬态光学技术国家重点实验室 |
作者单位 | 1.Wuhan National Laboratory for Optoelectronics, School of Optical and Electronic Information, Huazhong University of Science and Technology, Wuhan; 430074, China 2.Aston Institute of Photonic Technologies, Aston University, Birmingham; B4 7ET, United Kingdom 3.Xi’an Institute of Optics and Precision Mechanics, Chinese Academy of Sciences, Xi’an, China |
推荐引用方式 GB/T 7714 | Shen, Fangcheng,Zhou, Kaiming,Gordon, Neil,et al. Compact eccentric long period grating with improved sensitivity in low refractive index region[J]. optics express,2017,25(14):15729-15736. |
APA | Shen, Fangcheng,Zhou, Kaiming,Gordon, Neil,Zhang, Lin,&Shu, Xuewen.(2017).Compact eccentric long period grating with improved sensitivity in low refractive index region.optics express,25(14),15729-15736. |
MLA | Shen, Fangcheng,et al."Compact eccentric long period grating with improved sensitivity in low refractive index region".optics express 25.14(2017):15729-15736. |
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