Optical characterization of a glass fibre with the use of low-coherent light (LED)

Grzegorz Świrniak; Grzegorz Głomb

doi:10.1117/12.921987

4 May 2012 Optical characterization of a glass fibre with the use of low-coherent light (LED)

Grzegorz Świrniak, Grzegorz Głomb

Proceedings Volume 8430, Optical Micro- and Nanometrology IV; 843017 (2012) https://doi.org/10.1117/12.921987
Event: SPIE Photonics Europe, 2012, Brussels, Belgium

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).

Citation Download Citation

Grzegorz Świrniak and Grzegorz Głomb "Optical characterization of a glass fibre with the use of low-coherent light (LED)", Proc. SPIE 8430, Optical Micro- and Nanometrology IV, 843017 (4 May 2012); https://doi.org/10.1117/12.921987

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