Temperature sensor based on injection fiber Bragg grating laser with wavelength and temporal domain demodulation

Qi Li; Kaiqiang Huang; Haiyan Chen

doi:10.1117/12.2192644

10 August 2015 Temperature sensor based on injection fiber Bragg grating laser with wavelength and temporal domain demodulation

Qi Li, Kaiqiang Huang, Haiyan Chen

Author Affiliations +

Proceedings Volume 9620, 2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications; 962004 (2015) https://doi.org/10.1117/12.2192644
Event: International Conference on Optical Instruments and Technology 2015, 2015, Beijing, China

Abstract

A novel temperature sensor based on injection fiber Bragg grating laser with wavelength and temporal domain demodulation is proposed and demonstrated experimentally. The proof of concept device consists of a DFB laser modulated by a RF signal as injection light, a fiber Bragg grating laser, an optical spectrum analyzer, and a digital oscilloscope. The dynamic range of the proposed sensor is explored. The results demonstrate the new concept of temperature sensors and the technical feasibility for temperature measurement.

Citation Download Citation

Qi Li, Kaiqiang Huang, and Haiyan Chen "Temperature sensor based on injection fiber Bragg grating laser with wavelength and temporal domain demodulation", Proc. SPIE 9620, 2015 International Conference on Optical Instruments and Technology: Optical Sensors and Applications, 962004 (10 August 2015); https://doi.org/10.1117/12.2192644

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