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Fiber Bragg grating sensor based on cantilever structure embedded in polymer 3D printed material
Author(s): Rita Lima; R. Tavares; S. O. Silva; P. Abreu; Maria T. Restivo; O. Frazão
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Paper Abstract

A cantilever structure in 3D printed based on a fiber Bragg grating (FBG) sensor embedded in polymer material is proposed. The FBG sensor was embedded in 3D printed coating and was tested under three physical parameters: displacement, temperature and vibration. The sensor was tested in displacement in two different regions of the cantilever, namely, on its midpoint and end point. The maximum displacement sensitivity achieved was (3 ± 0.1) pm/mm for end point displacement, and a temperature sensitivity of (30 ± 1) pm/°C was also attained. In the case of vibration measurements it was possible to obtain a 10.23Hz-low frequency oscillation.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 1032331 (23 April 2017); doi: 10.1117/12.2264600
Show Author Affiliations
Rita Lima, INESC-TEC (Portugal)
R. Tavares, Univ. do Porto (Portugal)
S. O. Silva, INESC-TEC (Portugal)
P. Abreu, Univ. do Porto (Portugal)
Maria T. Restivo, Univ. do Porto (Portugal)
O. Frazão, INESC-TEC (Portugal)
Univ. do Porto (Portugal)


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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