Displacement sensor based on a macrobending plastic optical fiber with a multi-notched structure

Chuanxin Teng; Peng Shao; Youwei Wang; Maosen Li

doi:10.1117/12.2604678

1 November 2021 Displacement sensor based on a macrobending plastic optical fiber with a multi-notched structure

Chuanxin Teng, Peng Shao, Youwei Wang, Maosen Li

Proceedings Volume 12057, Twelfth International Conference on Information Optics and Photonics; 1205715 (2021) https://doi.org/10.1117/12.2604678
Event: Twelfth International Conference on Information Optics and Photonics, 2021, Xi'an, China

Abstract

A macrobending plastic optical fiber (POF) with a multi-notched structure was presented for displacement sensing. The multi-notched structure of the POF was fabricated by an imprinted process. The effects of the structural parameters on the displacement sensing performance were studied experimentally. By changing the multi-notched structure parameters, the displacement sensing performance of the POF probe could be optimized. The repeatability and the hysteresis of the sensor probe were also tested. Experimental results showed that the repeatability and hysteresis of the sensor were good, and a sensitivity of 3.58%/mm was obtained. The sensor is a low cost solution for displacement measurement, which is easy fabrication, simple structure, and intensity modulation at visible wavelength.

Citation Download Citation

Chuanxin Teng, Peng Shao, Youwei Wang, and Maosen Li "Displacement sensor based on a macrobending plastic optical fiber with a multi-notched structure", Proc. SPIE 12057, Twelfth International Conference on Information Optics and Photonics, 1205715 (1 November 2021); https://doi.org/10.1117/12.2604678

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