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

Masayuki Naya; Nobufumi Mori; Toshihito Kimura; Hisashi Ohtsuka; Takashi Kubo; Hitoshi Shimizu

doi:10.1117/1.2833592

1 December 2007 Extremely high signal-to-noise ratio surface plasmon resonance sensor using a monolithic prism sensor chip

Masayuki Naya, Nobufumi Mori, Toshihito Kimura, Hisashi Ohtsuka, Takashi Kubo, Hitoshi Shimizu

Author Affiliations +

Journal of Nanophotonics, Vol. 1, Issue 1, 011596 (December 2007). https://doi.org/10.1117/1.2833592

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.

Citation Download Citation

Masayuki Naya, Nobufumi Mori, Toshihito Kimura, Hisashi Ohtsuka, Takashi Kubo, and Hitoshi Shimizu "Extremely high signal-to-noise ratio surface plasmon resonance sensor using a monolithic prism sensor chip," Journal of Nanophotonics 1(1), 011596 (1 December 2007). https://doi.org/10.1117/1.2833592

Published: 1 December 2007

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