Temperature and pressure sensor based on fiber grating lasers

Cong Chen; Qi Li; Haiyan Chen

doi:10.1117/12.2031766

29 August 2013 Temperature and pressure sensor based on fiber grating lasers

Cong Chen, Qi Li, Haiyan Chen

Proceedings Volume 8914, International Symposium on Photoelectronic Detection and Imaging 2013: Fiber Optic Sensors and Optical Coherence Tomography; 891405 (2013) https://doi.org/10.1117/12.2031766
Event: ISPDI 2013 - Fifth International Symposium on Photoelectronic Detection and Imaging, 2013, Beijing, China

Abstract

We report a temperature and pressure sensor based on fiber Bragg grating(FBG) lasers, the analytical expressions for the shift of the Bragg wavelength with temperature and pressure are derived, the effect of operation temperature of fiber Bragg grating on the central wavelength of fiber Bragg grating laser is discussed experimentally. The result demonstrates that the central wavelength of laser is a function of the operation temperature of FBG, and the temperature coefficient of the fiber Bragg grating is 1.27×10^-5/°C.

Citation Download Citation

Cong Chen, Qi Li, and Haiyan Chen "Temperature and pressure sensor based on fiber grating lasers", Proc. SPIE 8914, International Symposium on Photoelectronic Detection and Imaging 2013: Fiber Optic Sensors and Optical Coherence Tomography, 891405 (29 August 2013); https://doi.org/10.1117/12.2031766

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