Hydrostatic pressure sensitivity of standard polymer fibre Bragg gratings and etched polymer fibre Bragg gratings

被引：1
|
作者：
Bhowmik, Kishore [1 ]
Rajan, Ginu [1 ]
Ambikairajah, Eliathamby [1 ]
Peng, Gang-Ding [1 ]
机构：
[1] Univ New S Wales, Sch Elect Engn & Telecommun, Sydney, NSW 2052, Australia
来源：
23RD INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS | 2014年 / 9157卷
关键词：
Polymer optical fibre (POF); Fibre Bragg grating (FBG); Etching; Pressure sensitivity; Hydrostatic pressure;
D O I：
10.1117/12.2058658
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
The hydrostatic pressure sensitivity of polymer optical fibre Bragg grating of different diameters is investigated. For this purpose Bragg gratings are inscribed in single-mode polymer fibre and also in etched single-mode polymer fibre. The inherent pressure sensitivity of the grating are experimentally investigated up-to 1MPa by monitoring the change in the reflected peak wavelengths due to pressure. It is observed that polymer FBGs exhibit a positive Bragg wavelength shift and is also more sensitive compared to silica FBGs. The pressure sensitivity of the polymer FBG can be increased by reducing the diameter of the fibre.
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页数：4
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