Trends and future of fiber Bragg grating sensing technologies: tailored draw tower gratings (DTGs)

E. Lindner; A. Hartung; D. Hoh; C. Chojetzki; K. Schuster; J. Bierlich; M. Rothhardt

doi:10.1117/12.2060073

15 May 2014 Trends and future of fiber Bragg grating sensing technologies: tailored draw tower gratings (DTGs)

E. Lindner, A. Hartung, D. Hoh, C. Chojetzki, K. Schuster, J. Bierlich, M. Rothhardt

Proceedings Volume 9141, Optical Sensing and Detection III; 91410X (2014) https://doi.org/10.1117/12.2060073
Event: SPIE Photonics Europe, 2014, Brussels, Belgium

Abstract

Today fiber Bragg gratings are commonly used in sensing technology as well as in telecommunications. Numerous requirements must be satisfied for their application as a sensor such as the number of sensors per system, the measurement resolution and repeatability, the sensor reusability as well as the sensor costs. In addition current challenges need to be met in the near future for sensing fibers to keep and extend their marketability such as the suitability for sterilization, hydrogen darkening or the separation of strain and temperature (or pressure and temperature). In this contribution we will give an outlook about trends and future of the fiber Bragg gratings in sensing technologies. Specifically, we will discuss how the use of draw tower grating technology enables the production of tailored Bragg grating sensing fibers, and we will present a method of separating strain and temperature by the use of a single Bragg grating only, avoiding the need for additional sensors to realize the commonly applied temperature compensation.

Citation Download Citation

E. Lindner, A. Hartung, D. Hoh, C. Chojetzki, K. Schuster, J. Bierlich, and M. Rothhardt "Trends and future of fiber Bragg grating sensing technologies: tailored draw tower gratings (DTGs)", Proc. SPIE 9141, Optical Sensing and Detection III, 91410X (15 May 2014); https://doi.org/10.1117/12.2060073

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