Compact refractive index sensor based on an S-tapered fiber probe

被引：49

作者：

Chen, Chao ^{[1
]}

Yang, Rui ^{[2
]}

Zhang, Xuan-yu ^{[3
]}

Wei, Wei-hua ^{[3
]}

Guo, Qi ^{[3
]}

Zhang, Xing ^{[1
]}

Qin, Li ^{[1
]}

Ning, Yong-qiang ^{[1
]}

Yu, Yong-sen ^{[3
]}

机构：

[1] Chinese Acad Sci, Changchun Inst Opt Fine Mech & Phys, State Key Lab Luminescence & Applicat, Changchun 130033, Jilin, Peoples R China

[2] Beijing Aerosp Yilian Sci & Technol Dev Co Ltd, Beijing 100176, Peoples R China

[3] Jilin Univ, Coll Elect Sci & Engn, State Key Lab Integrated Optoelect, 2699 Qianjin St, Changchun 130012, Jilin, Peoples R China

来源：

OPTICAL MATERIALS EXPRESS | 2018年 / 8卷 / 04期

基金：

中国国家自然科学基金;

关键词：

PHOTONIC CRYSTAL FIBER; SINGLE-MODE FIBER; OPTICAL-FIBERS; INTERFEROMETER; GRATINGS;

D O I：

10.1364/OME.8.000919

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We have demonstrated a refractive index (RI) sensor based on an S-tapered fiber probe (STFP) with a silver mirror on its end facet. The fiber probe has a compact size of about 1 mm, making it proper for sensing in narrow or limited space. The reflection spectra of the STFPs with different structure lengths have been analyzed and simulated. Its RI sensitivity in the range of 1.332 similar to 1.387 reaches 268.8 nm/RI unit, which is 9 times higher than that of the existing reflective fiber-taper-based RI sensor. Furthermore, the thermal response experimental results show that the STFP is temperature insensitive. (c) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement

引用

页码：919 / 925

页数：7

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