Generalised Cornu spirals: an experimental study using hard x-rays

The Cornu spiral is a graphical aid that has been used historically to evaluate Fresnel integrals. It is also the Argand-plane mapping of a monochromatic complex scalar plane wave diffracted by a hard edge. We have successfully reconstructed a Cornu spiral due to diffraction of hard x-rays from a pi...

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Bibliographic Details
Published inOptics express Vol. 24; no. 10; pp. 10620 - 10634
Main Authors Werdiger, Freda, Kitchen, Marcus J, Paganin, David M
Format Journal Article
LanguageEnglish
Published United States 16.05.2016
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Summary:The Cornu spiral is a graphical aid that has been used historically to evaluate Fresnel integrals. It is also the Argand-plane mapping of a monochromatic complex scalar plane wave diffracted by a hard edge. We have successfully reconstructed a Cornu spiral due to diffraction of hard x-rays from a piece of Kapton tape. Additionally, we have explored the generalisation of the Cornu spiral by observing the Argand-plane mapping of complex scalar electromagnetic fields diffracted by a cylinder and a sphere embedded within a cylinder.
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ISSN:1094-4087
1094-4087
DOI:10.1364/OE.24.010620