Nanorefractometer based on deposition of an overlay on a long period fiber grating

被引：4
|
作者：
Del Villar, I [1 ]
Matías, IR [1 ]
Arregui, FJ [1 ]
机构：
[1] Univ Publ Navarra, Dept Ingn Elect & Elect, Pamplona 31006, Spain
来源：
17TH INTERNATIONAL CONFERENCE ON OPTICAL FIBRE SENSORS, PTS 1 AND 2 | 2005年 / 5855卷
关键词：
nanosensors; coupled mode analysis; electrostatic self-assembly; refractometer;
D O I：
10.1117/12.624262
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The deposition of an overlay of higher refractive index than the cladding in a Long Period Fiber Grating (LPFG) permits to improve the sensitivity to ambient refractive index changes in a great manner. The question is to obtain an optimum thickness value for the overlay. The problem is analysed with a numerical method based on LP mode approximation and coupled mode theory. Design rules are given for obtaining optimum sensitivity for specific ambient refractive index ranges.
引用
收藏
页码：840 / 843
页数：4
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