FBG inscription in non-hydrogenated SMF28 fiber with a ns Q-switched Nd:VO4 laser at 213 nm

Bianca Berrang; Leonhard Polz; Rolf Kuttler; Jürgen Bartschke; Johannes Roths

doi:10.1117/12.2025845

20 May 2013 FBG inscription in non-hydrogenated SMF28 fiber with a ns Q-switched Nd:VO₄ laser at 213 nm

Bianca Berrang, Leonhard Polz, Rolf Kuttler, Jürgen Bartschke, Johannes Roths

Proceedings Volume 8794, Fifth European Workshop on Optical Fibre Sensors; 87941Z (2013) https://doi.org/10.1117/12.2025845
Event: Fifth European Workshop on Optical Fibre Sensors, 2013, Krakow, Poland

Abstract

Fiber Bragg grating (FBG) inscription efficiencies with a nanosecond (ns) KrF-Excimer laser source at 248 nm and with a ns Q-switched, 5^th-harmonic Nd:VO₄ laser source at 213 nm were compared. With both laser sources the phase mask method was used for FBG inscription. The growth process of the refractive index change during UV-exposure is presented as a function of cumulated fluence for inscription in standard non-hydrogenated SMF28 fibers. The inscription efficiency was found to be significantly higher for the 213 nm than for the 248 nm radiation, indicating a higher photosensitivity at 213 nm compared to 248 nm in low Ge-doped fibers.

Citation Download Citation

Bianca Berrang, Leonhard Polz, Rolf Kuttler, Jürgen Bartschke, and Johannes Roths "FBG inscription in non-hydrogenated SMF28 fiber with a ns Q-switched Nd:VO₄ laser at 213 nm", Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87941Z (20 May 2013); https://doi.org/10.1117/12.2025845

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