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Proceedings Paper

Reflective fiber optic displacement sensor with intensity compensation
Author(s): Haibao Lu; Tao Xu; Huayong Yang; Zhifeng Chen
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Paper Abstract

A reflective displacement sensor utilizing three fibers, one transmitting and two receiving with different core diameters, is described in this paper. On the basis of optical field distribution of multimode fiber, the intensity compensation mechanism of this sensor is analyzed in great detail, at the same time the displacement modulating functions and corresponding simulating carves are presented. Results show that this sensor can effectively compensate for variations in the source intensity, for losses in the optical fibers, and for variations in the reflectivity of the reflector surface.

Paper Details

Date Published: 10 October 2000
PDF: 5 pages
Proc. SPIE 4222, Process Control and Inspection for Industry, (10 October 2000); doi: 10.1117/12.403900
Show Author Affiliations
Haibao Lu, National Univ. of Defense Technology (China)
Tao Xu, National Univ. of Defense Technology (China)
Huayong Yang, National Univ. of Defense Technology (China)
Zhifeng Chen, National Univ. of Defense Technology (China)


Published in SPIE Proceedings Vol. 4222:
Process Control and Inspection for Industry
Shulian Zhang; Wei Gao, Editor(s)

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