books.google.com - This is a classic text reissued in the joint IEEE/OUP series, with a new Foreword and introduction. It explains and illustrates a powerful technique for use in electromagnetic wave theory. In this technique electromagnetic waves are represented by the superposition of plane waves travelling in diverse...http://books.google.com/books/about/The_plane_wave_spectrum_representation_o.html?id=tvE9AQAAIAAJ&utm_source=gb-gplus-shareThe plane wave spectrum representation of electromagnetic fields
Oxford University Press, Incorporated, 1966 - Science - 188 pages
This is a classic text reissued in the joint IEEE/OUP series, with a new Foreword and introduction. It explains and illustrates a powerful technique for use in electromagnetic wave theory. In this technique electromagnetic waves are represented by the superposition of plane waves travelling in diverse directions. There is no other self-contained account of this technique available.