A novel demodulation of chirped fiber Bragg gratings using optical power measurement

Hao Zhang

doi:10.1117/12.2506023

15 November 2018 A novel demodulation of chirped fiber Bragg gratings using optical power measurement

Hao Zhang

Proceedings Volume 10964, Tenth International Conference on Information Optics and Photonics; 109643Z (2018) https://doi.org/10.1117/12.2506023
Event: Tenth International Conference on Information Optics and Photonics (CIOP 2018), 2018, Beijing, China

Abstract

Demodulation is a bottleneck of application of chirped fiber Bragg gratings (CFBG). A novel demodulation of CFBGs based on optical power measurement is presented in the paper to replace traditional demodulation based on optical spectrum analyzer (OSA). The method uses two CFBGs of which the reflection spectra partially overlap each other. The wavelength shift of CFBG can be related to the optical power of overlap spectra of the two CFBGs. Therefore, the demodulation of CFBG can be realized by optical power measurement. The advantages of the demodulation method include simple structure, high flexibility, and low cost.

Citation Download Citation

Hao Zhang "A novel demodulation of chirped fiber Bragg gratings using optical power measurement", Proc. SPIE 10964, Tenth International Conference on Information Optics and Photonics, 109643Z (15 November 2018); https://doi.org/10.1117/12.2506023

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