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Proceedings Paper

Cladding modes FBG curvature sensor based on a core misaligned splice
Author(s): C. Jesus; P. A. S. Jorge; J. M. Baptista; O. Frazão
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Paper Abstract

A novel fiber optic curvature sensor based on a core-offset single-mode fiber (SMF) and on a fiber Bragg grating (FBG) is presented. The FBG cladding modes are efficiently excited by the large core misalignment. The curvature of the beam can be obtained by the reflected power of the core mode and the recoupled cladding mode.

Paper Details

Date Published: 18 May 2011
PDF: 4 pages
Proc. SPIE 7753, 21st International Conference on Optical Fiber Sensors, 77538U (18 May 2011); doi: 10.1117/12.886029
Show Author Affiliations
C. Jesus, INESC Porto (Portugal)
Univ. da Madeira (Portugal)
P. A. S. Jorge, INESC Porto (Portugal)
J. M. Baptista, Univ. da Madeira (Portugal)
INESC Porto (Portugal)
O. Frazão, INESC Porto (Portugal)

Published in SPIE Proceedings Vol. 7753:
21st International Conference on Optical Fiber Sensors
Jacques Albert; Wojtek J. Bock, Editor(s)

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