Tilted Bragg gratings in step-index polymer optical fiber

被引：44
|
作者：
Hu, Xuehao [1 ]
Pun, Chi-Fung Jeff [2 ]
Tam, Hwa-Yaw [2 ]
Megret, Patrice [1 ]
Caucheteur, Christophe [1 ]
机构：
[1] Univ Mons, Electromagnetism & Telecommun Dept, B-7000 Mons, Belgium
[2] Hong Kong Polytech Univ, Dept Elect Engn, Hong Kong, Peoples R China
来源：
OPTICS LETTERS | 2014年 / 39卷 / 24期
基金：
欧洲研究理事会;
关键词：
FABRICATION; MODE; REFRACTOMETER;
D O I：
10.1364/OL.39.006835
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
We report the first slightly tilted Bragg gratings photo-inscription in polymer optical fiber (POF). For this, we make use of trans-4-stilbenemethanol-doped photosensitive step-index poly(methyl methacrylate) (PMMA) POFs. Tilted fiber Bragg gratings (TFBGs) are inscribed in the near-infrared wavelength range using the scanning phase mask technique with a tilted phase mask in the plane perpendicular to the laser beam direction. The transmitted amplitude spectrum evolution of a 3 degrees TFBG is analyzed as a function of the surrounding refractive index. A maximum sensitivity close to 13 nm/RIU (refractive index unit) is obtained in the range 1.42-1.49. (C) 2014 Optical Society of America
引用
收藏
页码：6835 / 6838
页数：4
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