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Proceedings Paper

FBG inscription in non-hydrogenated SMF28 fiber with a ns Q-switched Nd:VO4 laser at 213 nm
Author(s): Bianca Berrang; Leonhard Polz; Rolf Kuttler; Jürgen Bartschke; Johannes Roths
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Paper Abstract

Fiber Bragg grating (FBG) inscription efficiencies with a nanosecond (ns) KrF-Excimer laser source at 248 nm and with a ns Q-switched, 5th-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.

Paper Details

Date Published: 20 May 2013
PDF: 4 pages
Proc. SPIE 8794, Fifth European Workshop on Optical Fibre Sensors, 87941Z (20 May 2013); doi: 10.1117/12.2025845
Show Author Affiliations
Bianca Berrang, Munich Univ. of Applied Sciences (Germany)
Leonhard Polz, Munich Univ. of Applied Sciences (Germany)
Rolf Kuttler, Munich Univ. of Applied Sciences (Germany)
Jürgen Bartschke, Xiton Photonics GmbH (Germany)
Johannes Roths, Munich Univ. of Applied Sciences (Germany)


Published in SPIE Proceedings Vol. 8794:
Fifth European Workshop on Optical Fibre Sensors
Leszek R. Jaroszewicz, Editor(s)

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