Transducer-based fiber Bragg grating high-temperature sensor with enhanced range and stability

Venkata Reddy Mamidi; Srimannarayana Kamineni; R.L.N. Sai Prassad; Tumu Venkatappa Rao

doi:10.1117/1.OE.56.9.090502

15 September 2017 Transducer-based fiber Bragg grating high-temperature sensor with enhanced range and stability

Venkata Reddy Mamidi, Srimannarayana Kamineni, R.L.N. Sai Prassad, Tumu Venkatappa Rao

Author Affiliations +

Optical Engineering, Vol. 56, Issue 9, 090502 (September 2017). https://doi.org/10.1117/1.OE.56.9.090502

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.

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Venkata Reddy Mamidi, Srimannarayana Kamineni, R.L.N. Sai Prassad, and Tumu Venkatappa Rao "Transducer-based fiber Bragg grating high-temperature sensor with enhanced range and stability," Optical Engineering 56(9), 090502 (15 September 2017). https://doi.org/10.1117/1.OE.56.9.090502

Received: 21 July 2017; Accepted: 22 August 2017; Published: 15 September 2017

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