Measurement of refractive index variation by differential surface plasmon resonance technique

Ju Yi Lee; Wu Sheng Gu

doi:10.1007/s10043-013-0030-5

Measurement of refractive index variation by differential surface plasmon resonance technique

Ju Yi Lee, Wu Sheng Gu

Department of Mechanical Engineering

Research output: Contribution to journal › Article › peer-review

Abstract

A differential detection technique combined with a surface plasmon resonance technique is proposed for refractive index variation measurement. The experimental results demonstrate that our system can attain a resolution of 1. 2 × 10^-5 RIU (refractive index unit). In addition, a method for two-dimensional detection of the refractive index variation is demonstrated. The system is free from the influence of optical source fluctuation, and can improve the measurement sensitivity.

Original language	English
Pages (from-to)	182-184
Number of pages	3
Journal	Optical Review
Volume	20
Issue number	2
DOIs	https://doi.org/10.1007/s10043-013-0030-5
State	Published - Mar 2013

Keywords

biosensors
differential detection
refractive index
surface plasmon resonance
two-dimensional detection

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10.1007/s10043-013-0030-5

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abstract = "A differential detection technique combined with a surface plasmon resonance technique is proposed for refractive index variation measurement. The experimental results demonstrate that our system can attain a resolution of 1. 2 × 10-5 RIU (refractive index unit). In addition, a method for two-dimensional detection of the refractive index variation is demonstrated. The system is free from the influence of optical source fluctuation, and can improve the measurement sensitivity.",

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AB - A differential detection technique combined with a surface plasmon resonance technique is proposed for refractive index variation measurement. The experimental results demonstrate that our system can attain a resolution of 1. 2 × 10-5 RIU (refractive index unit). In addition, a method for two-dimensional detection of the refractive index variation is demonstrated. The system is free from the influence of optical source fluctuation, and can improve the measurement sensitivity.

KW - biosensors

KW - differential detection

KW - refractive index

KW - surface plasmon resonance

KW - two-dimensional detection

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JO - Optical Review

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Measurement of refractive index variation by differential surface plasmon resonance technique

Abstract

Keywords

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