Eigenmodes in a 2D photonic crystal 1.0

Date Added: September 05, 2013 | Visits: 433

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consider a 2D photonic crystal consisting of cylinders with circular cross-section and infinite height, arranged in a triangular lattice;this program calculates and plots the spatial distributions in the unit cell (E&H) of eigenmodes allowed at a given frequency ; 'omega'is taken as input; oblique propagation is implicit, so the polarization states cannot be separated in E-pol and H-pol;Fourier coefficients for the expansion of dielectric constant are calculated analytically;the materials considered here are dielectric and dispersionless;the package contains the following programs: pwem2Dc.m - main program epsgg.m - routine for calculating the matrix of Fourier coefficients of dielectric function prcellgrid.m - routine for discretization of direct space, to be used for plotting the field distribution kvect2.m - routine for calculating diagonal matrices with elements (kx+Gx) and (ky+Gy), where G=(Gx,Gy) is a reciprocal lattice vector oblic_eigs.m - routine for solving the eigenvalue problem for H-field rfields.m - routine for calculation of field spatial distributions

Requirements: No special requirements

Platforms: Matlab

Keyword: Calculating, Direct, Discretization, Epsggm, Function, Matrix, Plotting, Prcellgridm, Routine, Space

Users rating: 0/10

License: Shareware

Size: 10 KB

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