Crystallization-sapphire-derived-fiber-based Fabry-Perot interferometer for refractive index and high-temperature measurement

被引：12

作者：

Zhang, Penghao ^{[1
]}

Zhang, Li ^{[2
]}

Mourelatos, Zissimos P. ^{[3
]}

Wang, Zhongyu ^{[1
]}

机构：

[1] Beihang Univ, Sch Instrumentat Sci & Optoelect Engn, XueYuan Rd 37, Beijing 100191, Peoples R China

[2] Changcheng Inst Metrol & Measurement, Beijing 100095, Peoples R China

[3] Oakland Univ, Dept Mech Engn, Walton & Squirrel Rd, Rochester, MN 48309 USA

来源：

APPLIED OPTICS | 2018年 / 57卷 / 30期

基金：

中国国家自然科学基金;

关键词：

HIGH-RESOLUTION; SENSOR;

D O I：

10.1364/AO.57.009016

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

A crystallization-sapphire-derived-fiber (CSDF)-based Fabry-Perot interferometer (FPI) for refractive index (RI) and high-temperature measurement is proposed and demonstrated. The FPI is formed by splicing sapphire-derived fiber (SDF) to the end face of a well-cleaved single-mode fiber (SMF). CSDF is generated hundreds of micrometers away from the fusion joint resulting from arc discharge and then cuts the SDF to the edge of the CSDF. The FPI consists of two cavities, one of which is formed by CSDF, and the other is SDF, between the SMF and CSDF. The fringe contrast of the reflection spectrum varying with the RI changes of the external environment is used for RI sensing, while the wavelength shifting is for the ambient temperature sensing. In the experiment, the refractive index and temperature sensitivities are about 233.8 dB/RIU in the RI range of 1.333-1.363 and 13.571 pm/degrees C in the temperature range of 20 degrees C-1000 degrees C. (C) 2018 Optical Society of America

引用

页码：9016 / 9021

页数：6

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