Performance of chirped-FBG Fabry-Perot interferometer sensor in pulse-position modulation scheme: large-signal operation

Shingo Tekuramori; Makoto Takeuchi; Ryotaro Uchimura; Osamu Tsukida; Atsushi Wada; Satoshi Tanaka; Nobuaki Takahashi

doi:10.1117/12.2059405

2 June 2014 Performance of chirped-FBG Fabry-Perot interferometer sensor in pulse-position modulation scheme: large-signal operation

Shingo Tekuramori, Makoto Takeuchi, Ryotaro Uchimura, Osamu Tsukida, Atsushi Wada, Satoshi Tanaka, Nobuaki Takahashi

Author Affiliations +

Proceedings Volume 9157, 23rd International Conference on Optical Fibre Sensors; 91571B (2014) https://doi.org/10.1117/12.2059405
Event: OFS2014 23rd International Conference on Optical Fiber Sensors, 2014, Santander, Spain

Abstract

Operation of an optical fiber sensor based on an in-fiber Fabry-Perot interferometer using chirped fiber Bragg gratings is examined in the pulse-position modulation scheme, especially for mechanical vibration measurement. Emphasis is placed on the ability to measure vibration of larger amplitude. Although the magnitude of vibration that can be measured with a single Fabry-Perot resonance peak is rather limited, the limitation is expected to be overcome by use of multiple resonance peaks in the operation. The experiment with five resonance peaks shows the successful operation of the sensor and therefore the validity of the method proposed.

Citation Download Citation

Shingo Tekuramori, Makoto Takeuchi, Ryotaro Uchimura, Osamu Tsukida, Atsushi Wada, Satoshi Tanaka, and Nobuaki Takahashi "Performance of chirped-FBG Fabry-Perot interferometer sensor in pulse-position modulation scheme: large-signal operation", Proc. SPIE 9157, 23rd International Conference on Optical Fibre Sensors, 91571B (2 June 2014); https://doi.org/10.1117/12.2059405

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