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Proceedings Paper

Comparison of strain sensitivities of free and attached FBG strain sensors
Author(s): Johannes Roths; Laura Aulbach; Andre Wilfert; Peter Kratzer; Florian Jülich; Rolf Kuttler
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Paper Abstract

The strain sensitivity of FBG-based strain sensors that had been inscribed into three different types of optical fibers were determined for both conditions, for fibers that were glued on a specimen and for free, bare fibers, i. e. fibers that were not bonded to a structure at the location of the FBG. The influence of the gluing technique on the strain sensitivities of the FBG sensor elements was investigated by comparing the strain sensitivities of a multitude of attached and free sensor elements on a statistical basis. A good agreement between the strain sensitivities of free and attached fibers was achieved, which shows the high quality of the gluing method employed.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 8421BM (7 November 2012); doi: 10.1117/12.975254
Show Author Affiliations
Johannes Roths, Munich Univ. of Applied Sciences (Germany)
Laura Aulbach, Munich Univ. of Applied Sciences (Germany)
Andre Wilfert, Munich Univ. of Applied Sciences (Germany)
Peter Kratzer, Munich Univ. of Applied Sciences (Germany)
Florian Jülich, Munich Univ. of Applied Sciences (Germany)
Rolf Kuttler, Munich Univ. of Applied Sciences (Germany)


Published in SPIE Proceedings Vol. 8421:
OFS2012 22nd International Conference on Optical Fiber Sensors
Yanbiao Liao; Wei Jin; David D. Sampson; Ryozo Yamauchi; Youngjoo Chung; Kentaro Nakamura; Yunjiang Rao, Editor(s)

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