Self-referenced sensor utilizing extra-ordinary optical transmission from metal nanoslits array

Sachin Kumar Srivastava; Ibrahim Abdulhalim

doi:10.1364/OL.40.002425

Self-referenced sensor utilizing extra-ordinary optical transmission from metal nanoslits array

Sachin Kumar Srivastava, Ibrahim Abdulhalim

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

43 Scopus citations

Abstract

We report the first self-referenced sensor based on the extraordinary optical transmission (EOT) of metal-nanoslits array in the near-infra-red (NIR) telecommunication window of the electromagnetic spectrum. The nanoslits array shows two enhanced transmission peaks, out of which one shows a red shift with an increase in the refractive index of the analyte medium, while the other remains fixed. We demonstrate the detection of small amounts of water in ethanol using the nanoslits array chip. The present study might be useful in developing ultra-small biosensor chips integrated to optical fibers for online monitoring and remote sensing applications.

Original language	English
Pages (from-to)	2425-2428
Number of pages	4
Journal	Optics Letters
Volume	40
Issue number	10
DOIs	https://doi.org/10.1364/OL.40.002425
State	Published - 1 Jan 2015

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics

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abstract = "We report the first self-referenced sensor based on the extraordinary optical transmission (EOT) of metal-nanoslits array in the near-infra-red (NIR) telecommunication window of the electromagnetic spectrum. The nanoslits array shows two enhanced transmission peaks, out of which one shows a red shift with an increase in the refractive index of the analyte medium, while the other remains fixed. We demonstrate the detection of small amounts of water in ethanol using the nanoslits array chip. The present study might be useful in developing ultra-small biosensor chips integrated to optical fibers for online monitoring and remote sensing applications.",

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AB - We report the first self-referenced sensor based on the extraordinary optical transmission (EOT) of metal-nanoslits array in the near-infra-red (NIR) telecommunication window of the electromagnetic spectrum. The nanoslits array shows two enhanced transmission peaks, out of which one shows a red shift with an increase in the refractive index of the analyte medium, while the other remains fixed. We demonstrate the detection of small amounts of water in ethanol using the nanoslits array chip. The present study might be useful in developing ultra-small biosensor chips integrated to optical fibers for online monitoring and remote sensing applications.

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Self-referenced sensor utilizing extra-ordinary optical transmission from metal nanoslits array

Abstract

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