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A theoretical evaluation of fibre-optic evanescent wave absorption in spectroscopy and sensors

โœ Scribed by Yu Xu; Alan Cottenden; N Barrie Jones

Publisher
Elsevier Science
Year
2006
Tongue
English
Weight
168 KB
Volume
44
Category
Article
ISSN
0143-8166

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We have investigated side-polished fiber coupler made of a hollow optical fiber (HOF) with a ring core. It is theoretically shown that the large mode size and the weakly guiding property of the HOF makes it easy to excite the evanescent field by the side-polishing technique. Analytic equation to cal