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Proceedings Paper

Test and calibration of Bragg grating based vibration sensors
Author(s): Søren Andresen; Torben R. Licht; Finn K. Nielsen
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Paper Abstract

Characterisation of fibre optic vibration sensors represents a challenge since they are not compatible with conventional data acquisition platforms. The situation is complicated by the difficulty of applying a well described input signal, e.g. in form of a precisely controlled acceleration level over a range of frequencies. For this, we have configured a system based on a precision vibration exciter driven by a vibration controller. Such a system is able to reproduce the sensitivity and frequency response of Bragg grating based accelerometers to a precision within a few percent.

Paper Details

Date Published: 7 November 2012
PDF: 4 pages
Proc. SPIE 8421, OFS2012 22nd International Conference on Optical Fiber Sensors, 8421B7 (7 November 2012); doi: 10.1117/12.974822
Show Author Affiliations
Søren Andresen, Brüel & Kjær Sound & Vibration Measurement A/S (Denmark)
Torben R. Licht, Brüel & Kjær Sound & Vibration Measurement A/S (Denmark)
Finn K. Nielsen, Brüel & Kjær Sound & Vibration Measurement A/S (Denmark)


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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