Distributed fiber Bragg grating sensor for multipoint temperature monitoring up to 500°C in high-electromagnetic interference environment

Jitendra Kumar; Om Prakash; Sachin Kumar Agrawal; Ramakanta Mahakud; Anagha Mokhariwale; Sudhir K. Dixit; Shankar V. Nakhe

doi:10.1117/1.OE.55.9.090502

6 September 2016 Distributed fiber Bragg grating sensor for multipoint temperature monitoring up to 500°C in high-electromagnetic interference environment

Jitendra Kumar, Om Prakash, Sachin Kumar Agrawal, Ramakanta Mahakud, Anagha Mokhariwale, Sudhir K. Dixit, Shankar V. Nakhe

Author Affiliations +

Optical Engineering, Vol. 55, Issue 9, 090502 (September 2016). https://doi.org/10.1117/1.OE.55.9.090502

Abstract

This paper presents the first-time results on design and implementation of a fiber Bragg grating (FBG)-based distributed temperature sensor up to 500°C in a high-voltage and high-electromagnetic interference (EMI) environment. The multiple FBGs at different peak wavelengths were inscribed on a single fiber of length 2 m at the spacing of about 30 cm by controlling the geometrical divergence of a highly coherent UV (255 nm) beam falling on a biprism. The developed multipoint sensor is tested on a high-voltage and high-EMI environment such as a copper bromide (CuBr) laser. The temperature of 200°C to 500°C is monitored online along the operating laser tube length.

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Jitendra Kumar, Om Prakash, Sachin Kumar Agrawal, Ramakanta Mahakud, Anagha Mokhariwale, Sudhir K. Dixit, and Shankar V. Nakhe "Distributed fiber Bragg grating sensor for multipoint temperature monitoring up to 500°C in high-electromagnetic interference environment," Optical Engineering 55(9), 090502 (6 September 2016). https://doi.org/10.1117/1.OE.55.9.090502

Published: 6 September 2016

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