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Diffraction of a convex cylinder

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1 Author(s)
Keller, Joseph B. ; New York University, New York, NY, USA

The leading term in the asymptotic expansion for large k = 2 \pi/\lambda , of the fields reflected and diffracted by any convex cylinder are constructed. The cross section of the cylinder is assumed to be a smooth curve which may be either closed or open and extending to infinity. The method employed is an extension of geometrical optics in two respects. First, diffracted rays are introduced. Secondly, fields are associated with the rays in a simple way. The results are applicable when the wavelength is small compared to the cylinder dimensions.

Published in:

Antennas and Propagation, IRE Transactions on  (Volume:4 ,  Issue: 3 )