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Optical Engineering

Transducer-based fiber Bragg grating high-temperature sensor with enhanced range and stability
Author(s): Venkata Reddy Mamidi; Srimannarayana Kamineni; R.L.N. Sai Prassad; Tumu Venkatappa Rao
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Paper Abstract

Fiber Bragg grating (FBG)-based high-temperature sensor with enhanced-temperature range and stability has been developed and tested. The sensor consists of an FBG and a mechanical transducer, which furnishes a linear temperature-dependent tensile strain on FBG by means of differential linear thermal expansion of two different ceramic materials. The designed sensor is tested over a range: 20°C to 1160°C and is expected to measure up to 1500°C.

Paper Details

Date Published: 15 September 2017
PDF: 4 pages
Opt. Eng. 56(9) 090502 doi: 10.1117/1.OE.56.9.090502
Published in: Optical Engineering Volume 56, Issue 9
Show Author Affiliations
Venkata Reddy Mamidi, Vignan Institute of Technology and Science (India)
Srimannarayana Kamineni, K L Univ. (India)
R.L.N. Sai Prassad, National Institute of Technology, Warangal (India)
Tumu Venkatappa Rao, National Institute of Technology, Warangal (India)


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