Fabry-Perot cavity based on polymer FBG as refractive index sensor

被引：18

作者：

Ferreira, Miguel F. S. ^{[1
,2
]}

Statkiewicz-Barabach, Gabriela ^{[3
]}

Kowal, Dominik ^{[3
]}

Mergo, Pawel ^{[4
]}

Urbanczyk, Waclaw ^{[3
]}

Frazao, Orlando ^{[1
,2
]}

机构：

[1] Univ Porto, Fac Sci, INESC TEC, Rua Campo Alegre 687, P-4169007 Oporto, Portugal

[2] Univ Porto, Fac Sci, Dept Phys & Astron, Rua Campo Alegre 687, P-4169007 Oporto, Portugal

[3] Wroclaw Univ Sci & Technol, Fac Fundamental Problems Technol, Wybrzeze Wyspianskiego 27, PL-50370 Wroclaw, Poland

[4] Marie Curie Sklodowska Univ, Lab Opt Fibre Technol, Pl M Curie Sklodowskiej 3, PL-20031 Lublin, Poland

来源：

OPTICS COMMUNICATIONS | 2017年 / 394卷

关键词：

Polymer optical fibers; Fiber Bragg grating; Fabry-Perot interferometer; Refractive index sensor; BRAGG GRATINGS; HIGH-RESOLUTION; OPTICAL-FIBERS; TEMPERATURE; SINGLE;

D O I：

10.1016/j.optcom.2017.03.011

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

The use of a polymer fiber as a refractive index sensor is proposed. A fiber Bragg grating is inscribed near the fiber tip and the fiber is cut shorter thus creating a Fabry-Perot cavity. The reflections between the fiber Bragg grating and the fiber end-face create a Fabry-Perot interferometer. The sensor was characterized to refractive index changes at constant temperature and to temperature at constant refractive index using a fast Fourier transform analysis of the interference signal. The sensor revealed a sensitivity of-1. 94 RIU-1 with a resolution of lx10(-3)RITJ and low sensitivity to temperature, with a cross sensitivity to temperature of 3. 6x10(-4)RIU/degrees C.

引用

页码：37 / 40

页数：4

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