Simulation of path delay multiplexing-based Fourier transform spectrometer for fiber Bragg grating interrogation

被引：2
|
作者：
Chelliah, Pandian [1 ]
Sahoo, Trilochan [1 ]
Singh, Sheela [1 ]
Sujatha, Annie [1 ]
机构：
[1] SRM Univ, Dept Phys & Nanotechnol, Madras 600020, Tamil Nadu, India
来源：
APPLIED OPTICS | 2015年 / 54卷 / 30期
关键词：
DOPED FIBER; NONLINEARITY; SYSTEM; PHASE;
D O I：
10.1364/AO.54.008867
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A Fourier transform spectrometer (FTS) used for interrogating a fiber Bragg grating (FBG) consists of a scanning-type interferometer. The FTS has a broad wavelength range of operation and good multiplexing capability. However, it has poor wavelength resolution and interrogation speed. We propose a modification to the FTS using path delay multiplexing to improve the same. Using this method, spatial resolution and interrogation time can be improved by n times by using n path delays. In this paper, simulation results for n = 2, 5 are shown. (C) 2015 Optical Society of America
引用
收藏
页码：8867 / 8871
页数：5
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