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Proceedings Paper

Long period gratings written in fluorine-doped fibers by electric arc discharge technique
Author(s): Rajeev Ranjan; Flavio Esposito; Agostino Iadicicco; Andrei Stăncălie; Dan Sporea; Stefania Campopiano
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Paper Abstract

In this work, we present long period gratings (LPGs) in two different Fluorine-doped fibers realized by electric arc discharge (EAD) technique. Firstly, we optimized the EAD fabrication procedure for standard Ge-doped fibers where we are able to fabricate relatively short LPGs with deep attenuation bands (up to 32 dB) and trivial power losses. Successively, for the first time to the best of our knowledge, we produced LPGs in F-doped fibers with maximum attenuation band depths in range 25-30 dB and trivial power losses. We also investigated the sensitivity of LPGs fabricated in such F-doped fibers, with surrounding refractive index (SRI) and temperature changes, and compared the results with those of LPGs fabricated in standard fiber. We found that SRI response of LPGs in F-doped fibers is significantly higher than in standard fiber and it strongly depends on the type of F-doped fiber considered, whereas they exhibit a slightly lower sensitivity to temperature compared to LPGs in standard fiber.

Paper Details

Date Published: 30 May 2016
PDF: 4 pages
Proc. SPIE 9916, Sixth European Workshop on Optical Fibre Sensors, 991622 (30 May 2016); doi: 10.1117/12.2236841
Show Author Affiliations
Rajeev Ranjan, Univ. degli Studi di Napoli Parthenope (Italy)
Flavio Esposito, Univ. degli Studi di Napoli Parthenope (Italy)
Agostino Iadicicco, Univ. degli Studi di Napoli Parthenope (Italy)
Andrei Stăncălie, National Institute for Laser, Plasma and Radiation Physics (Romania)
Dan Sporea, National Institute for Laser, Plasma and Radiation Physics (Romania)
Stefania Campopiano, Univ. degl Studi di Napoli Parthenope (Italy)


Published in SPIE Proceedings Vol. 9916:
Sixth European Workshop on Optical Fibre Sensors
Elfed Lewis, Editor(s)

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