Design and realization of comb filter based on fiber grating with new structure

Ming-zhu Li; Yu-ye Zhang; Guo-feng Xu

doi:10.1117/12.2068916

6 August 2014 Design and realization of comb filter based on fiber grating with new structure

Ming-zhu Li, Yu-ye Zhang, Guo-feng Xu

Proceedings Volume 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies; 92810X (2014) https://doi.org/10.1117/12.2068916
Event: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2014), 2014, Harbin, China

Abstract

Based on Mach-Zehnder interferometer and the Fiber Bragg Grating Sagnac Loop, a new structure of photo-fiber combfilter is designed which can obtain high reflectivity and big reverberation bandwidth. This filter has the advantage of low insertion loss and the equal intervals passband. The quantity and interval of passband can be changed through the length difference of optical fiber and without having to redesign and produce the fiber grating again. Within the range of the craft allows, the reverberation bandwidth of the filter amounts to 5 nm and the reflectivity nears to the 100% which can be widely applied in optical fiber sensors and optical fiber communication fields.

Citation Download Citation

Ming-zhu Li, Yu-ye Zhang, and Guo-feng Xu "Design and realization of comb filter based on fiber grating with new structure", Proc. SPIE 9281, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Advanced Optical Manufacturing Technologies, 92810X (6 August 2014); https://doi.org/10.1117/12.2068916

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KEYWORDS

Linear filtering

Structured optical fibers

Reflectivity

Optical fibers

Mach-Zehnder interferometers

Optical design

Optical filters

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