Development of a high resolution optical-fiber tilt sensor by F-P filter

Jianjun Pan; Qiuming Nan; Shujie Li; Zhonghua Hao

doi:10.1117/12.2265964

23 April 2017 Development of a high resolution optical-fiber tilt sensor by F-P filter

Jianjun Pan, Qiuming Nan, Shujie Li, Zhonghua Hao

Proceedings Volume 10323, 25th International Conference on Optical Fiber Sensors; 103234Y (2017) https://doi.org/10.1117/12.2265964
Event: 25th International Conference on Optical Fiber Sensors, 2017, Jeju, Korea, Republic of

Abstract

A high-resolution tilt sensor is developed, which is composed of a pair of optical fiber collimators and a simple pendulum with an F-P filter. The tilt angle is measured by demodulating the shift of center wavelength of F-P filter, which is caused by incidence angle changing. The relationship between tilted angle and the center wavelength is deduced. Calibration experiment results also confirm the deduction, and show that it is easy to obtain a high resolution. Setting the initial angle to 6degree, the measurement range is ±3degree, its average sensitivity is 1104pm/degree, and its average resolution is as high as 0.0009degree.

Citation Download Citation

Jianjun Pan, Qiuming Nan, Shujie Li, and Zhonghua Hao "Development of a high resolution optical-fiber tilt sensor by F-P filter", Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103234Y (23 April 2017); https://doi.org/10.1117/12.2265964

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