FDTD investigation of photonic crystal fiber in fiber specklegram sensing

被引：1
|
作者：
Wang, B [1 ]
Yang, Y [1 ]
Liu, YX [1 ]
Liu, HB [1 ]
Yin, SZ [1 ]
Guo, RY [1 ]
机构：
[1] Penn State Univ, Dept Elect Engn, University Pk, PA 16802 USA
来源：
PHOTOREFRACTIVE FIBER AND CRYSTAL DEVICES: MATERIALS, OPTICAL PROPERTIES, AND APPLICATIONS X | 2004年 / 5560卷
关键词：
fiber specklegram; hetero-core fiber; photonic crystal fiber; fiber specklegram sensing; FDTD;
D O I：
10.1117/12.560899
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Hetero-core fiber structure consists of a sandwiched structure of fibers with different core diameters. Hetero-core fiber structure has found its application in both intensity based and phase change based sensors. In this paper. an analysis of hetero-core fiber structure in photonic crystal fibers (PCF) and waveguides is presented. With the finite-difference time-domain (FDTD) method, the performance of such a structure in a fiber specklegram sensor and the refractive index modulation on PCF section are investigated. It is found that the unique photonic nanostructures can substantially enhance the sensitivity of the specklegram sensor with added dynamic range tunability, which can lead to many practical applications in optical sensors.
引用
收藏
页码：284 / 294
页数：11
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