Special Section on Nanophotonics in Japan

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

[+] Author Affiliations
Masayuki Naya, Nobufumi Mori, Toshihiro Kimura, Hisashi Ohtsuka, Takashi Kubo, Hitoshi Shimizu

Fuji Film Corporation

J. Nanophoton. 1(1), 011596 (December 19, 2007). doi:10.1117/1.2833592
History: Received July 26, 2007; Revised December 17, 2007; Accepted December 18, 2007; December 19, 2007; Online December 19, 2007
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Abstract

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.

© 2007 Society of Photo-Optical Instrumentation Engineers

Citation

Masayuki Naya ; Nobufumi Mori ; Toshihiro Kimura ; Hisashi Ohtsuka ; Takashi Kubo, et al.
"Extremely high signal-to-noise ratio surface plasmon resonance sensor using a monolithic prism sensor chip", J. Nanophoton. 1(1), 011596 (December 19, 2007). ; http://dx.doi.org/10.1117/1.2833592


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