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

Freda Werdiger | Zendy; Marcus J. Kitchen | Zendy; David M. Paganin | Zendy

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

Author(s) -

Freda Werdiger,

Marcus J. Kitchen,

David M. Paganin

Publication year - 2016

Publication title -

optics express

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.394

H-Index - 271

ISSN - 1094-4087

DOI - 10.1364/oe.24.010620

Subject(s) - monochromatic color , diffraction , optics , physics , spiral (railway) , fresnel diffraction , cylinder , conformable matrix , plane (geometry) , plane wave , geometry , mathematics , mathematical analysis , quantum mechanics

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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