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physics.optics2026
Generalized vibration curves for apodization and super-resolution in far-field diffraction
Lowell T. Wood
The Cornu spiral, widely used to analyze Fresnel diffraction, is a familiar example of a vibration curve, also known as an amplitude-phase curve or phasor diagram. A related constr…
physics.optics2022★ 4 cited
Imaging in Reflecting Spheres
Jean-Pierre Eckmann, Gemunu H. Gunaratne, Jason Shulman +1
We study the formation of images in a reflective sphere in three configurations using caustics of the field of light rays. The optical wavefront emerging from a source point reachi…
physics.optics2012★ 2 cited
Advanced Optics Experiments Using Nonuniform Aperture Functions
Lowell T. Wood
A method to create instructive, nonuniform aperture functions using spatial frequency filtering is described. The diffraction from a single slit in the Fresnel limit and the interf…