Extremely high signal-to-noise ratio surface plasmon resonance sensor using a monolithic prism sensor chip

被引：5
作者：
Naya, Masayuki [1 ]
Mori, Nobufumi [1 ]
Kimura, Toshihito [1 ]
Ohtsuka, Hisashi [1 ]
Kubo, Takashi [1 ]
Shimizu, Hitoshi [2 ]
机构：
[1] FUJIFILM Corp, Frontier Core Technol Labs, Kaisei, Kanagawa 2588577, Japan
[2] FUJIFILM Corp, Equipment Res & Dev Ctr, Kaisei, Kanagawa 2588538, Japan
来源：
JOURNAL OF NANOPHOTONICS | 2007年 / 1卷 / 01期
关键词：
surface plasmon resonance; biosensor; wavelength-stability; monolithic prism sensor chip;
D O I：
10.1117/1.2833592
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
A high signal-to-noise ratio in a surface plasmon resonance (SPR) sensor was achieved using a monolithic prism sensor chip. To achieve this, a multi-differential detection technique that uses a wavelength-stabilized laser diode with optical feedback was developed. To achieve easy exchange of the sensor chip and high accuracy of measurement, the monolithic prism sensor chip was fabricated from plastic with low photo-elasticity by the injection molding method. The resolution of our sensor system was estimated to be <10(-7) refractive index unit. The potential of the developed sensor is very high for biosensing.
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页数：9
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