Determination of strain sensitivity of free fiber Bragg gratings

Johannes Roths; Florian Jülich

doi:10.1117/12.781426

26 April 2008 Determination of strain sensitivity of free fiber Bragg gratings

Johannes Roths, Florian Jülich

Proceedings Volume 7003, Optical Sensors 2008; 700308 (2008) https://doi.org/10.1117/12.781426
Event: SPIE Photonics Europe, 2008, Strasbourg, France

Abstract

Strain sensitivities of free, uncoated fiber Bragg gratings at λ_B ~1535 nm in a SMF28 standard telecommunication fiber and in a highly GeO₂ doped photosensitive fiber (F86) were determined at room temperature. Both fibers showed similar strain sensitivities of k^SMF28 = (0.7951 ± 0.0041) for the SMF28 and k^F86 = (0.7912 ± 0.0023) for the F86 fiber. The stress sensitivities of both fibers were found to be slightly different with the values of (Δλ/F)^SMF28 = (1.347 ± 0.006) nm/N for the SMF 28 fiber and (Δλ/F)^F86 = (1.309 ± 0.001) nm/N for the F86 fiber.

Citation Download Citation

Johannes Roths and Florian Jülich "Determination of strain sensitivity of free fiber Bragg gratings", Proc. SPIE 7003, Optical Sensors 2008, 700308 (26 April 2008); https://doi.org/10.1117/12.781426

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