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Proceedings Paper

Capillary-scale interferometry at high angles of scattering for refractive index measurements of small volumes
Author(s): Grzegorz Świrniak
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Paper Abstract

This paper focuses on the problem of elastic scattering of a collimated beam of light on an unmodified glass capillary to perform a non-destructive small volume refractive index characterization. An interaction between the beam of light and the capillary causes that a series of dark and bright fringes is formed in the far field observed at high angles of scattering. By analyzing the spatial profile of the scattered light, the absolute value of the refractive index of a small volume may be measured unambiguously.

Paper Details

Date Published: 26 April 2016
PDF: 10 pages
Proc. SPIE 9890, Optical Micro- and Nanometrology VI, 98901B (26 April 2016); doi: 10.1117/12.2228858
Show Author Affiliations
Grzegorz Świrniak, Wroclaw Univ. of Technology (Poland)

Published in SPIE Proceedings Vol. 9890:
Optical Micro- and Nanometrology VI
Christophe Gorecki; Anand Krishna Asundi; Wolfgang Osten, Editor(s)

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