Reflection configuration of long-period grating sensor working at dispersion turning point

被引：0

作者：

Dominik, Magdalena ^{[1
]}

Mikulic, Predrag ^{[2
]}

Bock, Wojtek J. ^{[2
]}

Smietana, Mateusz ^{[1
]}

机构：

[1] Warsaw Univ Technol, Inst Microelect & Optoelect, Koszykowa 75, PL-00662 Warsaw, Poland

[2] Univ Quebec & Outaouais, Ctr Rech Photon, 101 Rue St Jean Bosco, Gatineau, PQ J8X 3X7, Canada

来源：

ELECTRON TECHNOLOGY CONFERENCE 2016 | 2016年 / 10175卷

关键词：

optical fiber sensor; long-period grating; refractive index sensing; reflection configuration; Tollen's reaction; FIBER GRATINGS; SENSITIVITY; MIRROR; MODE;

D O I：

10.1117/12.2263480

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this work discuss an application of chemical method, i.e., Tollen's reagent, for mirror fabrication on the end-face of the fiber with induced long-period grating (LPG). This simple and versatile technique can be used for thin silver layer deposition and formation of stable and well-reflecting mirrors for fiber-based devices. We have found that the LPG-based sensors working in reflective configuration at dispersion turning point (DTP) of higher order cladding modes allow for refractive index (RI) measurements with sensitivity reaching 4.429 nm/RIU. Such structures, after their proper biofunctionalization process, can be used as probes for label-free biosensing.

引用

页数：6

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