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Proceedings Paper

Optical characterization of a glass fibre with the use of low-coherent light (LED)
Author(s): Grzegorz Świrniak; Grzegorz Głomb
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Paper Abstract

The aim of the paper is to discuss a non-invasive method for a glass fibre diameter characterization. The method involves scattering of low-coherent light in the vicinity of a primary rainbow. Theoretical considerations include discussion on complex as well as approximate models of the rainbow. A simple inverse model based on the Airy theory of rainbow is used to characterize a glass fibre diameter. The empirical analysis is mainly devoted to confirm the theoretical predictions and present some achievements in the formation and processing of the Airy rainbow with the use of high-power light emitting diode (LED).

Paper Details

Date Published: 4 May 2012
PDF: 8 pages
Proc. SPIE 8430, Optical Micro- and Nanometrology IV, 843017 (4 May 2012); doi: 10.1117/12.921987
Show Author Affiliations
Grzegorz Świrniak, Wroclaw Univ. of Technology (Poland)
Grzegorz Głomb, Wroclaw Univ. of Technology (Poland)


Published in SPIE Proceedings Vol. 8430:
Optical Micro- and Nanometrology IV
Christophe Gorecki; Anand K. Asundi; Wolfgang Osten, Editor(s)

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