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Proceedings Paper

High bending curvature withstanding one-dimensional angle sensor with fiber Bragg gratings
Author(s): Minsu Jang; Ockchul Kim; Sungwook Yang; Jinseok Kim
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Paper Abstract

We report on the development of an angle sensor which can measure at high bending curvature. Unlike the other sensors, the novel angle sensor can be durable and flexible. The sensors consist of one fiber Bragg grating (FBG) fiber which is located in the middle of each sensor, and are fabricated in varying thickness to confirm the relation between the distance of the center of the angle sensor to the core of the FBG node and the radii of curvature at which the sensor can measure. The thinnest sensor has the thickness of 200 μm and can measure at the bending radius of 5 mm. However, its angle measurement error is the largest with 1.25°, because of high sensitivity. Regulating the thickness of sensor, the angles at high curvatures can be measured reliably.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032397 (23 April 2017); doi: 10.1117/12.2267525
Show Author Affiliations
Minsu Jang, Korea Institute of Science and Technology (Korea, Republic of)
Sungkyunkwan Univ. (Korea, Republic of)
Ockchul Kim, Korea Institute of Science and Technology (Korea, Republic of)
Sungwook Yang, Korea Institute of Science and Technology (Korea, Republic of)
Jinseok Kim, Korea Institute of Science and Technology (Korea, Republic of)


Published in SPIE Proceedings Vol. 10323:
25th International Conference on Optical Fiber Sensors
Youngjoo Chung; Wei Jin; Byoungho Lee; John Canning; Kentaro Nakamura; Libo Yuan, Editor(s)

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