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Simple evanescent field sensor for NIR spectroscopy

Simple evanescent field sensor for NIR spectroscopy
Simple evanescent field sensor for NIR spectroscopy
Near-Infrared (NIR) spectroscopy is a powerful tool for chemical analysis in applications ranging from biomedicine to analysis of food products and textiles [1]. However, molar absorptivities in this spectral region are usually weak, so that high-sensitivity measurement devices are required. Optical waveguides provide for highly sensitive attenuated total reflection (ATR) spectroscopy in a robust mass-producible format, and allow for ultra-small sample volume, due to the 100 nm scale extent of the evanescent field, and the potential for lab-on-chip integration.
Karabchevsky, Alina
26a2c158-ef26-43be-8f10-b37e04baa017
Hua, P.
92fa76e2-970b-45f5-a459-d9f95e735303
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca
Karabchevsky, Alina
26a2c158-ef26-43be-8f10-b37e04baa017
Hua, P.
92fa76e2-970b-45f5-a459-d9f95e735303
Wilkinson, J.S.
73483cf3-d9f2-4688-9b09-1c84257884ca

Karabchevsky, Alina, Hua, P. and Wilkinson, J.S. (2013) Simple evanescent field sensor for NIR spectroscopy. 6th Mediterranean Conference on Nano-Photonics (MediNano-6), Lyon, France. 30 - 31 Oct 2013.

Record type: Conference or Workshop Item (Paper)

Abstract

Near-Infrared (NIR) spectroscopy is a powerful tool for chemical analysis in applications ranging from biomedicine to analysis of food products and textiles [1]. However, molar absorptivities in this spectral region are usually weak, so that high-sensitivity measurement devices are required. Optical waveguides provide for highly sensitive attenuated total reflection (ATR) spectroscopy in a robust mass-producible format, and allow for ultra-small sample volume, due to the 100 nm scale extent of the evanescent field, and the potential for lab-on-chip integration.

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e-pub ahead of print date: 2013
Venue - Dates: 6th Mediterranean Conference on Nano-Photonics (MediNano-6), Lyon, France, 2013-10-30 - 2013-10-31
Organisations: Optoelectronics Research Centre

Identifiers

Local EPrints ID: 361195
URI: http://eprints.soton.ac.uk/id/eprint/361195
PURE UUID: 6c2595d4-8a89-4955-9660-d5d638be9b36
ORCID for J.S. Wilkinson: ORCID iD orcid.org/0000-0003-4712-1697

Catalogue record

Date deposited: 16 Jan 2014 11:13
Last modified: 18 Feb 2021 16:32

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Contributors

Author: Alina Karabchevsky
Author: P. Hua
Author: J.S. Wilkinson ORCID iD

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