Issue 3, 2002
From the journal:

Analyst

Asymmetric anti-resonant reflecting optical waveguides (arrow) as chemical sensors

Nicholas J. Goddard,*a   John Hulme,a   Chris Malins,a   Kirat Singha  and  Peter R. Fieldena  

* Corresponding authors

a Department of Instrumentation and Analytical Science, UMIST, P.O. Box 88, Manchester, UK
E-mail: njgoddard@umist.ac.uk

Abstract

Anti-resonant reflecting optical waveguides (ARROW) are described which trap light in a low index layer between a lower, high-index confining layer and an upper total internal reflection boundary. In this configuration, most of the light (greater than 80%) travels in the low index porous polymer layer, the refractive index of which is monitored by examining the angle at which light is coupled out of the waveguide. It is shown that asymmetric ARROW sensors can be constructed using conventional chemical vapour deposition and spin-coating techniques and their sensitivity is as predicted by theoretical modelling.

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Article information

DOI
https://doi.org/10.1039/B109323A
Article type
Paper
Submitted
17 Oct 2001
Accepted
22 Jan 2002
First published
14 Feb 2002

Analyst, 2002,127, 378-382

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Asymmetric anti-resonant reflecting optical waveguides (arrow) as chemical sensors

N. J. Goddard, J. Hulme, C. Malins, K. Singh and P. R. Fielden, Analyst, 2002, 127, 378 DOI: 10.1039/B109323A

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