Edge Corrugation

Some articles on corrugation, edge corrugation, edge:

Arago Spot - Experimental Aspects - The Circular Object's Surface Roughness
... includes a regular sinusoidal corrugation of the circular shape of amplitude 10 µm, 50 µm and 100 µm, respectively ... Note, that the 100 µm edge corrugation almost completely removes the central bright spot ... The Fresnel zone that begins with the edge of the circular object is the only one that contributes to the Arago spot ...

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