Sensitivity model for predicting photonic crystal biosensor performance

被引：85

作者：

Block, Ian D. ^{[1
]}

Ganesh, Nikhil ^{[1
]}

Lu, Meng ^{[1
]}

Cunningham, Brian T. ^{[1
]}

机构：

[1] Univ Illinois, Urbana, IL 61801 USA

来源：

IEEE SENSORS JOURNAL | 2008年 / 8卷 / 3-4期

基金：

美国国家科学基金会;

关键词：

biomedical transducers; optical resonance;

D O I：

10.1109/JSEN.2008.917127

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：

We present a model for predicting photonic crystal label-free biosensor performance based primarily on the spatial distribution of electromagnetic near fields at device resonance. To achieve maximum device sensitivity, the resonant fields can be shaped by careful choice of material and geometrical parameters. The effect of each property on the resonant mode profile, and consequently on sensor performance, is illustrated. A comparison of device sensitivity calculated by both the proposed model and direct rigorous coupled wave analysis simulation supports the validity of our model.

引用

收藏

页码：274 / 280

页数：7

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