OE Letters

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

[+] Author Affiliations
Jitendra Kumar, Om Prakash, Sachin K. Agrawal, Ramakanta Mahakud, Anagha Mokhariwale, Sudhir K. Dixit, Shankar V. Nakhe

Raja Ramanna Centre for Advanced Technology, Metal Vapour and Dye Laser Application Lab, Laser Systems Engineering Division, R&D Block C-3, Indore, Madhya Pradesh 452013, India

Opt. Eng. 55(9), 090502 (Sep 06, 2016). doi:10.1117/1.OE.55.9.090502
History: Received July 11, 2016; Accepted August 19, 2016
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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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© 2016 Society of Photo-Optical Instrumentation Engineers

Citation

Jitendra Kumar ; Om Prakash ; Sachin K. Agrawal ; Ramakanta Mahakud ; Anagha Mokhariwale, et al.
"Distributed fiber Bragg grating sensor for multipoint temperature monitoring up to 500°C in high-electromagnetic interference environment", Opt. Eng. 55(9), 090502 (Sep 06, 2016). ; http://dx.doi.org/10.1117/1.OE.55.9.090502


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