Numerical method for high accuracy index of refraction estimation for spectro-angular surface plasmon resonance systems

被引：22

作者：

Alleyne, Colin J. ^{[2
]}

Kirk, Andrew G. ^{[2
]}

Chien, Wei-Yin ^{[2
]}

Charette, Paul G. ^{[1
]}

机构：

[1] Univ Sherbrooke, Dept Genie Elect & Genie Informat, Sherbrooke, PQ J1K 2R1, Canada

[2] McGill Univ, Photon Syst Grp, Montreal, PQ H3A 2T6, Canada

来源：

OPTICS EXPRESS | 2008年 / 16卷 / 24期

关键词：

D O I：

10.1364/OE.16.019493

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

An eigenvector analysis based algorithm is presented for estimating refractive index changes from 2-D reflectance/dispersion images obtained with spectro-angular surface plasmon resonance systems. High resolution over a large dynamic range can be achieved simultaneously. The method performs well in simulations with noisy data maintaining an error of less than 10(-8) refractive index units with up to six bits of noise on 16bit quantized image data. Experimental measurements show that the method results in a much higher signal to noise ratio than the standard 1-D weighted centroid dip finding algorithm. (C) 2008 Optical Society of America

引用

页码：19493 / 19503

页数：11

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