Effect of reflector angle on the performance of an fiber bundle distance sensor with single mode illumination

Yong Jiang; Quanyang Wang; Zhi Zhong

doi:10.1117/12.2181835

6 March 2015 Effect of reflector angle on the performance of a fiber bundle distance sensor with single mode illumination

Yong Jiang, Quanyang Wang, Zhi Zhong

Author Affiliations +

Proceedings Volume 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation; 944646 (2015) https://doi.org/10.1117/12.2181835
Event: International Symposium on Precision Engineering Measurement and Instrumentation, 2014, Changsha/Zhangjiajie, China

Abstract

In order to study the effect of reflector angle on the performance of two fiber distance sensor with single mode illumination, a theoretical model approximating the illumination light exiting the single mode fiber as having a Gaussian intensity profile is established to describe the intensity modulation performance by taking the reflector angle into consideration, and measurements were made to verify the validity of the theoretical model. Numerical simulation results indicate that although the effect of reflector angle α on the sensitivity becomes weaker when α is positive, the blind region, linear range, peak position and sensitivity decreases as the reflector angle becomes more and more positive. The study would help the design and application of fiber distance sensor with single mode illumination.

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Yong Jiang, Quanyang Wang, and Zhi Zhong "Effect of reflector angle on the performance of a fiber bundle distance sensor with single mode illumination", Proc. SPIE 9446, Ninth International Symposium on Precision Engineering Measurement and Instrumentation, 944646 (6 March 2015); https://doi.org/10.1117/12.2181835

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KEYWORDS

Reflectors

Sensors

Fiber optics sensors

Single mode fibers

Performance modeling

Optical fibers

Light emitting diodes

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