Bragg gratings inscription at 1550 nm in photosensitive step-index polymer optical fiber

被引：5
|
作者：
Hu, X. [1 ]
Kinet, D. [1 ]
Chah, K. [1 ]
Megret, P. [1 ]
Caucheteur, C. [1 ]
机构：
[1] Univ Mons, Electromagnet & Telecommun Dept, B-7000 Mons, Belgium
来源：
FIFTH EUROPEAN WORKSHOP ON OPTICAL FIBRE SENSORS | 2013年 / 8794卷
关键词：
Polymer optical fiber; Bragg grating; sensor; photosensitivity; temperature;
D O I：
10.1117/12.2026785
中图分类号：
TP7 [遥感技术];
学科分类号：
081102 ; 0816 ; 081602 ; 083002 ; 1404 ;
摘要：
In this paper, we report photo-inscription of uniform Bragg gratings in Trans-4-stilbenemethanol-doped photosensitive step-index polymer optical fiber characterized by a core diameter of 8.2 mu m. Single-mode gratings were produced at similar to 1550 nm by the phase mask technique with a Helium-Cadmium emitting at 325 nm with an average power of 30 mW. The grating growth was monitored during the manufacturing process, showing that the reflected band is blue shifted by a few hundreds of picometers. Finally, the gratings were characterized in temperature in the range 25 - 50 degrees C. Their sensitivity has been computed equal to -47 pm/degrees C.
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页数：4
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