Numerical Method for Analysis of Waveguide Modes in Planar Gradient Waveguides

Autor:	Volodymyr Mykhailovych FITIO, Volodymyr Volodymyrovych ROMAKH, Yaroslav Vasylovych BOBITSKI
Jazyk:	angličtina
Rok vydání:	2014
Předmět:	Fourier transform convolution propagation constant spatial frequency wave equation Mining engineering. Metallurgy TN1-997
Zdroj:	Medžiagotyra, Vol 20, Iss 3, Pp 256-261 (2014)
Druh dokumentu:	article
ISSN:	1392-1320 2029-7289
DOI:	10.5755/j01.ms.20.3.4841
Popis:	This paper presents a numerical method developed to find propagation constants of planar waveguide localized modes. The method is based on both the Fourier transform application and the wave equation solution in a frequency domain. As a result, integral equation is obtained where integral is replaced by sum. Finally, a task to find propagation constants and field Fourier transforms in a discrete form is led to the eigenvalue/eigenvector problem. This method provides high accuracy subject to the conditions of the Whittaker-Shannon sampling theorem, and it is characterized by high numerical stability. The method is tested on many examples. DOI: http://dx.doi.org/10.5755/j01.ms.20.3.4841
Databáze:	Directory of Open Access Journals
Externí odkaz:	https://doaj.org/article/455d8a2f3d644563bfb13754519d1342 Zobrazit plný text záznamu View record in DOAJ Plný text ve formátu PDF