Fiber Bragg grating fabricated in micro-single-crystal sapphire fiber

被引：54

作者：

Yang, Shuo ^{[1
]}

Homa, Daniel ^{[2
]}

Pickrell, Gary ^{[2
]}

Wang, Anbo ^{[1
]}

机构：

[1] Virginia Tech, Ctr Photon Technol, Bradley Dept Elect & Comp Engn, Blacksburg, VA 24061 USA

[2] Virginia Tech, Dept Mat Sci & Engn, Blacksburg, VA 24061 USA

来源：

OPTICS LETTERS | 2018年 / 43卷 / 01期

关键词：

SENSOR;

D O I：

10.1364/OL.43.000062

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

This Letter introduces a fiber Bragg grating (FBG) in a micro-single-crystal sapphire fiber (micro-SFBG) for sensing applications in high-temperature and harsh environments. The FBG was fabricated by a point-by-point method via an IR-femtosecond laser in a large-diameter sapphire fiber that was then wet-hot acid etched to achieve microfiber size, which culminated in fabricating and characterizing a 9.6 mu m diameter micro-SFBG. The refractive index measurement ranging from 1 to 1.75 and temperature measurement from room temperature to 1400 degrees C are also reported. (C) 2017 Optical Society of America

引用

页码：62 / 65

页数：4

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