Characterization of Encapsulating Materials for Fiber Bragg Grating-Based Temperature Sensors

被引：37
|
作者：
Mamidi, Venkata Reddy [1 ]
Kamineni, Srimannarayana [1 ]
Ravinuthala, L. N. Sai Prasad [1 ]
Thumu, Venkatapparao [1 ]
Pachava, Vengal Rao [1 ]
机构：
[1] Natl Inst Technol, Dept Phys, Warangal 506004, Andhra Pradesh, India
来源：
FIBER AND INTEGRATED OPTICS | 2014年 / 33卷 / 04期
关键词：
fiber Bragg grating; fiber-optic sensors; temperature sensor probe; SYSTEM;
D O I：
10.1080/01468030.2014.932472
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
An experimental study has been carried out for the characterization of encapsulating materials for fiber Bragg grating-based temperature sensors to prevent the formation of micro-cracks and devitrification on the fiber surface at elevated temperatures by making use of a rigid probe. The developed sensor probe was configured by encapsulating a type 1 fiber Bragg grating with an aluminum nitride tube and is used to measure temperatures from 20 degrees C to 500 degrees C. The adapted encapsulation technique validated the sensor to achieve linearity of 99.979%, sensitivity of 14.03 +/- 0.02 pm/degrees C, and good repeatability; its practical use in harsh environments is predicted.
引用
收藏
页码：325 / 335
页数：11
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