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Proceedings Paper

Laser Brazing metallic embedding technique for fiber optic sensors
Author(s): Tania Grandal; Sergio Fraga; Gemma Castro; Esteban Vazquez; Ander Zornoza
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Paper Abstract

In this paper a fiber optic metallic embedding technique is presented based on laser Brazing manufacturing process. The embedding strategy to follow by the laser Brazing, which consists in three steps, minimizes the thermal stress of the embedded fiber, relaxes microbending strains and reduces damage on the fiber. The minimum embedded fiber optic Ni coating total diameter is 237 μm for a successful process with negligible optical loss on the fiber. Fiber Bragg Gratings were successfully embedded in metallic specimens and their strain response was in accordance with their specifications.

Paper Details

Date Published: 23 April 2017
PDF: 4 pages
Proc. SPIE 10323, 25th International Conference on Optical Fiber Sensors, 103236S (23 April 2017); doi: 10.1117/12.2263974
Show Author Affiliations
Tania Grandal, AIMEN Ctr. Tecnológico (Spain)
City, Univ. of London (United Kingdom)
Sergio Fraga, AIMEN Ctr. Tecnológico (Spain)
Gemma Castro, AIMEN Ctr. Tecnológico (Spain)
Esteban Vazquez, AIMEN Ctr. Tecnológico (Spain)
Ander Zornoza, AIMEN Ctr. Tecnológico (Spain)

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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