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Proceedings Paper

Optical sensing of rainbow for non-contact gauging of diameter and refractive index of an axisymmetric transparent fiber
Author(s): Grzegorz Świrniak
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Paper Abstract

In the present paper an optical technique is described to measure non-invasively the diameter and refractive index of a transparent (glass or polymer) fiber that possess a circular cross-section. The method is based on an inverse analysis of the rainbow, which is formed by light scattering of low temporal coherency. This enables to achieve unambiguous mathematical relationships between fringe structure of the rainbow and the fiber.

Paper Details

Date Published: 5 May 2015
PDF: 9 pages
Proc. SPIE 9506, Optical Sensors 2015, 95061Q (5 May 2015); doi: 10.1117/12.2177993
Show Author Affiliations
Grzegorz Świrniak, Wroclaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 9506:
Optical Sensors 2015
Francesco Baldini; Jiri Homola; Robert A. Lieberman, Editor(s)

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