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Proceedings Paper

Strain sensor using phase measurement techniques in polymer optical fibers
Author(s): A. Bachmann; M. Luber; H. Poisel; O. Ziemann
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Paper Abstract

POF elongation sensors have been proposed e.g. by [1] as a low-cost alternative to FBG (single mode fiber Bragg gratings) sensors targeting the lower sensitivity range. A recently recovered detection system known from laser distance meters turned out to be very sensitive while staying simple. The approach is based on measuring the phase shift of a sinusoidally modulated light signal guided in a POF under different tensions resulting in different transit times and thus different phase shifts.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70041N (16 May 2008); doi: 10.1117/12.785797
Show Author Affiliations
A. Bachmann, Univ. of Applied Sciences Nuernberg (Germany)
M. Luber, Univ. of Applied Sciences Nuernberg (Germany)
H. Poisel, Univ. of Applied Sciences Nuernberg (Germany)
O. Ziemann, Univ. of Applied Sciences Nuernberg (Germany)


Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors

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