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Open AccessArticle

Intelligent Technical Textiles Based on Fiber Bragg Gratings for Strain Monitoring

by Petr Munster *,‡ and Tomas Horvath
Department of Telecommunication, Brno University of Technology, Technicka 12, 616 00 Brno, Czech Republic
Author to whom correspondence should be addressed.
This paper is an extended version of our paper published in 2019 International Workshop on Fiber Optics in Access Networks (FOAN2019).
These authors contributed equally to this work.
Sensors 2020, 20(10), 2951;
Received: 14 April 2020 / Revised: 18 May 2020 / Accepted: 20 May 2020 / Published: 22 May 2020
(This article belongs to the Section Optical Sensors)
In this paper, the concept design of intelligent technical textile blocks implemented with optical fibers that include fiber Bragg gratings for strain and temperature sensing is briefly introduced. In addition to the main design of the system, a design of measurement blocks with integrated fiber Bragg grating elements for strain measurement is also presented. In the basic measurement, the created textile block was tested for deformation sensitivity when a load was applied. Moreover, a unique robust and low profile connector was designed, created and verified. The fibers are terminated with GRIN lenses, allowing easy manipulation and completion of the connector in the field, with an average insertion loss of 5.5 dB.
Keywords: intelligent textile; FBG; strain; temperature intelligent textile; FBG; strain; temperature
MDPI and ACS Style

Munster, P.; Horvath, T. Intelligent Technical Textiles Based on Fiber Bragg Gratings for Strain Monitoring. Sensors 2020, 20, 2951.

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