XXXI. The structure of an electromagnetic field in the neighbourhood of a cusp of a caustic
- 1 May 1946
- journal article
- research article
- Published by Taylor & Francis in Journal of Computers in Education
- Vol. 37 (268) , 311-317
- https://doi.org/10.1080/14786444608561335
Abstract
It has been found possible to make a detailed mathematical and numerical study of the field structure at and near a line focus of a cylindrical electromagnetic wave train possessing any finite amount of cylindrical aberration of the first order. By a suitable choice of parameters all the possible wave-lengths and degrees of aberration can be expressed in terms of a single infinite integral of two independent parameters. Diagrams of the magnitude and phase of this integral are given, and only the final mathematical results are described.Keywords
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