Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/84505
Title: Fiber-optic bend sensor using LP21 mode operation
Authors: Fan, Yuqiang.
Wu, George.
Wei, Wanting.
Yuan, Yufeng.
Lin, Feng.
Wu, X.
Keywords: DRNTU::Engineering::Computer science and engineering
Issue Date: 2012
Source: Fan, Y., Wu, G., Wei, W., Yuan, Y., Lin, F., & Wu, X. (2012). Fiber-optic bend sensor using LP21 mode operation. Optics Express, 20(24), 26127-26134.
Series/Report no.: Optics express
Abstract: A novel fiber-optic bending sensor based upon the propagation of LP21 mode is demonstrated. The sensor, comprised of an S-bend fiber on an elastic film, measures LP21 mode specklegram rotation, which increments linearly with bending angle by the stress-optic effect. The sensor is capable of experimentally achieving a sensitivity as high as 4.13 rad/m−1. The theoretical analysis of the sensor, which is a combination of fiber coupled-mode theory and elastic-optic theory, validates the accuracy of the sensor. The sensor is also shown to be temperature-immune, and can detect both bending direction and bending angle with a large dynamic range. Furthermore, the sensor implementation incorporates inexpensive single-mode fiber at 650 nm for few-mode operation, enabling low-loss transmission and compatibility with existing interfaces.
URI: https://hdl.handle.net/10356/84505
http://hdl.handle.net/10220/10937
ISSN: 1094-4087
DOI: 10.1364/OE.20.026127
Rights: © 2012 Optical Society of America. This paper was published in Optics Express and is made available as an electronic reprint (preprint) with permission of Optical Society of America. The paper can be found at the following official DOI: [http://dx.doi.org/10.1364/OE.20.026127]. One print or electronic copy may be made for personal use only. Systematic or multiple reproduction, distribution to multiple locations via electronic or other means, duplication of any material in this paper for a fee or for commercial purposes, or modification of the content of the paper is prohibited and is subject to penalties under law.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCSE Journal Articles

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