High temperature sensor properties of a specialty double cladding fiber

Ting Zhou; Fufei Pang; Tingyun Wang

doi:10.1117/12.904311

29 November 2011 High temperature sensor properties of a specialty double cladding fiber

Ting Zhou, Fufei Pang, Tingyun Wang

Proceedings Volume 8311, Optical Sensors and Biophotonics III; 83110O (2011) https://doi.org/10.1117/12.904311
Event: SPIE/OSA/IEEE Asia Communications and Photonics, 2011, Shanghai, China

Abstract

A simple high temperature fiber sensor is proposed and demonstrated. The sensor head is made of a short section of specialty double cladding fiber (DCF). The DCF consists of a depressed inner cladding which is boron (B)-doped silica. Through an evanescent wave, the cladding mode can be excited, and thus the transmission presents a resonant spectral dip. The high temperature sensing properties was studied according to the shift of the transmission spectrum shifts. With increasing the temperature from 28 °C to 850 °C, the resonant spectrum shifts to longer wavelengths. The sensitivity is 0.112 nm / °C.

Citation Download Citation

Ting Zhou, Fufei Pang, and Tingyun Wang "High temperature sensor properties of a specialty double cladding fiber", Proc. SPIE 8311, Optical Sensors and Biophotonics III, 83110O (29 November 2011); https://doi.org/10.1117/12.904311

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