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

Freda Werdiger, Marcus J. Kitchen, David M. Paganin

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3 Citations (Scopus)


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.

Original languageEnglish
Pages (from-to)10620-10634
Number of pages15
JournalOptics Express
Issue number10
Publication statusPublished - 16 May 2016

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