Temperature-independent optical fiber Fabry-Perot refractive-index sensor based on hollow-core photonic crystal fiber

被引：25

作者：

Jiang, Ming-shun ^{[1
]}

Sui, Qing-mei ^{[1
]}

Jin, Zhong-wei ^{[1
]}

Zhang, Fa-ye ^{[1
]}

Jia, Lei ^{[1
]}

机构：

[1] Shandong Univ, Sch Control Sci & Engn, Jinan 250061, Peoples R China

来源：

OPTIK | 2014年 / 125卷 / 13期

关键词：

Optical fiber sensor; Fabry-Perot interferometer; Refractive index; Hollow-core photonic crystal fiber; Temperature-independent; TIP SENSOR; TAPER; SENSITIVITY;

D O I：

10.1016/j.ijleo.2013.12.062

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A novel optical fiber refractive index (RI) sensor, which is based on an intrinsic Fabry-Perot interferometer (IFPI) formed by a section of hollow-core photonic crystal fiber (HCPCF) and standard single mode fibers (SMF), is proposed. The external refractive index is determined according to the maximum fringe contrast of the interference fringes in the reflective spectrum of the sensor. The RI response performance is demonstrated for the measurement of the different RI solutions. The experimental data agree well with the theoretical results. Also the RI resolution and repeatability of similar to 1.5 x 10(-5) and +/- 0.5% in the linear measurement region, are achieved. In addition, the temperature response is tested from 20 degrees C to 120 degrees C, which exhibits excellent thermal stability. Therefore, such an HCPCF-based F-P sensor provides a practical way to measure RI with non-temperature compensation. (C) 2014 Elsevier GmbH. All rights reserved.

引用

页码：3295 / 3298

页数：4

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