Resonant and scatterometric grating-based nanophotonic structures for biosensing

被引：16
|
作者：
Abdulhalim, Ibrahim [1 ]
Auslender, Mark [2 ]
Hava, Shlomo [2 ]
机构：
[1] Ben Gurion Univ Negev, Dept Electroopt Engn, IL-84105 Beer Sheva, Israel
[2] Ben Gurion Univ Negev, Dept Elect Engn, IL-84105 Beer Sheva, Israel
来源：
JOURNAL OF NANOPHOTONICS | 2007年 / 1卷 / 01期
关键词：
Optical biosensing; optical scatterometry; waveguide sensors; water sensors;
D O I：
10.1117/1.2811923
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Resonant and non-resonant phenomena in grating based photonic structures were investigated as biological and biochemical sensors particularly for water contaminants. Detectivity on the order of 10(-6) RIU was found to be possible. Spectroscopic scatterometry in conical mounting at normal incidence was found to offer high sensitivity and it allows specificity in addition to refractive-index-variation measurement.
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页数：13
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