Sensitivity Enhancement of Apodized Fiber Bragg Grating for Temperature Measurement

被引：3

作者：

Mandal, Himadri Nirjhar ^{[1
]}

Sidhishwari, Soumya ^{[1
]}

机构：

[1] Birla Inst Technol Mesra, Dept Elect & Commun Engn, Ranchi 835215, Jharkhand, India

来源：

PHYSICS OF WAVE PHENOMENA | 2023年 / 31卷 / 04期

关键词：

fiber Bragg grating; temperature sensitivity; apodization method; material coating; SENSOR; PERFORMANCE;

D O I：

10.3103/S1541308X23040039

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

An apodized Fiber Bragg Grating (FBG) is designed to obtain minimal quantity of side lobes on the reflection spectrum for effective estimation of temperature sensitivity. Bare FBG cannot be implemented as a suitable option for sensing of temperature in a complex environment because it is composed of silica, which has a very low thermal expansion coefficient. Different kinds of materials having thermal expansion coefficients higher than silica are coated on designed apodized FBG to improve the sensitivity of temperature for the FBG. In this simulation work, titanium, nickel, gold, copper, silver, aluminum, lead, indium, polycarbonate, PMMA, and polyamide are coated on the apodized FBG to estimate the enhanced sensitivity for the temperature range of 25 to 75 degrees C. The simulation results illustrated that the sensitivity of temperature for polyamide-coated FBG is highest than other coating materials.

引用

页码：252 / 262

页数：11

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