Title :
Angular Spectrum Representation in Nonparaxial Propagation
Author_Institution :
Dept. of Radiophys., Kharkov Nat. Univ.
Abstract :
Properties of the boundary field Fourier spectrum in the angular spectrum representation are considered. It is shown that the spectrum has singularities at points which separate spatial frequencies of propagating and evanescent modes. Therefore functions with continuous spectrum are physically impossible and can be used for simulations only with analysis of approximation errors
Keywords :
Fourier transforms; boundary-value problems; electromagnetic wave propagation; angular spectrum representation; approximation errors analysis; boundary field Fourier spectrum; nonparaxial propagation; Analytical models; Antenna theory; Approximation error; Diffraction; Error analysis; Frequency; Integral equations; Laser beams; Maxwell equations; Optical propagation;
Conference_Titel :
Mathematical Methods in Electromagnetic Theory, 2006 International Conference on
Conference_Location :
Kharkiv
Print_ISBN :
1-4244-0490-8
DOI :
10.1109/MMET.2006.1689870
