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Proceedings Paper

Sensing and splicing applications of small core Ge-doped photonic crystal fibers
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Paper Abstract

Sensor related properties of a small core (4.1μm) Ge-doped photonic crystal fiber (PCF) are being reported. Fiber Bragg gratings with 35% and almost 100 % reflectivity were written in the Ge-doped PCF before and after hydrogen loading, respectively, by use of a UV laser. A 5.6pm/°C temperature sensitivity of the FBG was observed. Additionally, a novel method is demonstrated to splice such PCF by use of a commercial fusion splicer with default splice parameters for standard single mode fibers (SMF). No parameter adjustments are required to splice the PCF to various SMFs and a low splice loss of 1.0 ~ 1.4dB can be achieved. No splice interface emerges at the splice joint, which is of advantage for the sensing applications of such a PCF.

Paper Details

Date Published: 16 May 2008
PDF: 4 pages
Proc. SPIE 7004, 19th International Conference on Optical Fibre Sensors, 70041S (16 May 2008); doi: 10.1117/12.785846
Show Author Affiliations
Yiping Wang, Institute of Photonic Technology (Germany)
Shanghai Jiao Tong Univ. (China)
Sven Brueckner, Institute of Photonic Technology (Germany)
Jens Kobelke, Institute of Photonic Technology (Germany)
Manfred Rothhardt, Institute of Photonic Technology (Germany)
Wolfgang Ecke, Institute of Photonic Technology (Germany)
Reinhardt Willsch, Institute of Photonic Technology (Germany)
Hartmut Bartelt, Institute of Photonic Technology (Germany)


Published in SPIE Proceedings Vol. 7004:
19th International Conference on Optical Fibre Sensors

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