Edge diffraction at a curved screen
- 16 May 1974
- journal article
- Published by Institution of Engineering and Technology (IET) in Electronics Letters
- Vol. 10 (10) , 167-168
- https://doi.org/10.1049/el:19740127
Abstract
An edge-diffraction formulation is given for an astigmatic electromagnetic wave incident on a screen with a curved surface and a curved edge. The result is used to calculate the near field of a paraboloidal reflector under plane-wave illumination, and this is compared with the physical-optics method. An edge-type term valid along the axial caustic is given.Keywords
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