Optimization design of fiber parameters in reflective fiber optic vibration sensor

Jun Lu; Yudong Jia; Tianyi Zhang; Yan Zhu

doi:10.1117/12.2068016

18 September 2014 Optimization design of fiber parameters in reflective fiber optic vibration sensor

Jun Lu, Yudong Jia, Tianyi Zhang, Yan Zhu

Proceedings Volume 9282, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 92820U (2014) https://doi.org/10.1117/12.2068016
Event: 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies (AOMATT 2014), 2014, Harbin, China

Abstract

In this paper the mechanism of reflective fiber-optic vibration sensor has been researched by mathematical modeling and Simulation. Research shows that fiber structure, the numerical aperture and core diameter of fiber, can affect the performance of RIM-FOS. With the increase of the numerical aperture, the peak point and range of detection move forward, received power is not changed, sensitivity is improved; with the increase of core diameter of transmitting fiber, power peak and sensitivity decreases; along with the core diameter of receiving fiber increases, the peak power increases, the slope before sensitivity increased. According to the research results, the best SNR is obtained in an experimental system that the 62.5μm of transmitting fiber and 100μm core diameter of receiving fiber is adopted.

Citation Download Citation

Jun Lu, Yudong Jia, Tianyi Zhang, and Yan Zhu "Optimization design of fiber parameters in reflective fiber optic vibration sensor", Proc. SPIE 9282, 7th International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 92820U (18 September 2014); https://doi.org/10.1117/12.2068016

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KEYWORDS

Fiber optics sensors

Reflectivity

Sensors

Structured optical fibers

Fiber optics

Optical fibers

Signal to noise ratio

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