High-Sensitive Double-Hole Defect Refractive Index Sensor Based on 2-D Photonic Crystal

被引：34

作者：

Shiramin, Leili Abdollahi ^{[1
]}

Kheradmand, Reza ^{[1
]}

Abbasi, Amin ^{[1
]}

机构：

[1] Univ Tabriz, Res Inst Appl Phys & Astron, Tabriz 51665163, Iran

来源：

IEEE SENSORS JOURNAL | 2013年 / 13卷 / 05期

关键词：

Optical sensors; photonic crystals; refractive index; sensitivity;

D O I：

10.1109/JSEN.2012.2237093

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

In this paper, we simulate a refractive index sensor based on the 2-D photonic crystal using finite difference time domain methods. The sensor which is called double-hole defect sensor, consists of two waveguides and two-point defect microcavities when the lattice constant is a = 440 nm. In the optimum structure, the sensitivity of the sensor is s = 500 nm/RIU (refractive index unit), whereas the refractive index resolution is very small and Delta n = 0.0001 (i.e., resonance wavelength shifts up by 0.05 nm).

引用

页码：1483 / 1486

页数：4

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