Fiber Bragg grating based sensors in conventional double clad large mode area fibers

Alexander Nieborowsky; B. Weigand; J. Bartschke; R. Beigang; J. A. L'huillier

doi:10.1117/12.2080173

16 March 2015 Fiber Bragg grating based sensors in conventional double clad large mode area fibers

Alexander Nieborowsky, B. Weigand, J. Bartschke, R. Beigang, J. A. L'huillier

Proceedings Volume 9359, Optical Components and Materials XII; 93590T (2015) https://doi.org/10.1117/12.2080173
Event: SPIE OPTO, 2015, San Francisco, California, United States

Abstract

We report on the creation of Fiber Bragg Gratings (FBGs) based sensors in large mode area (LMA) fibers. By using a quintupled Nd:YVO₄ laser at 213 nm wavelength, FBGs are produced in conventional double clad fibers with core diameters of up to 50 µm. Bragg wavelength shifts depending on applied tensile strain as well as temperature changes are recorded and operating ranges of strain sensors identified. The ease of coupling with light sources into LMA fibers as well as their comparatively elevated robustness makes them promising sensor solutions for harsh environments.

Citation Download Citation

Alexander Nieborowsky, B. Weigand, J. Bartschke, R. Beigang, and J. A. L'huillier "Fiber Bragg grating based sensors in conventional double clad large mode area fibers", Proc. SPIE 9359, Optical Components and Materials XII, 93590T (16 March 2015); https://doi.org/10.1117/12.2080173

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