Wave-vector diagram for a 2D photonic crystal
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This prog calculates and plots the wave-vector diagram (i.e. photonic bands at constant frequency) for a 2D photonic crystal consisting of cylinders with circular cross-section and
infinite height, arranged in a triangular lattice; oblique propagation is implicit, so the polarization states cannot be separated in E-pol and H-pol; 'omega'is taken as input;
Fourier coefficients for the expansion of dielectric constant are calculated analytically;
the materials considered here are dielectric and dispersionless, but dispersion can be added as a function e(omega)
The package contains the following programs:
pwem2Db.m - main program
epsgg.m - routine for calculating the matrix of Fourier coefficients of dielectric function
bz_irr2.m - routine for 2D discretization of irreducible Brillouin zone polygon;
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
Free download from Shareware Connection - This prog calculates and plots the wave-vector diagram (i.e. photonic bands at constant frequency)
Version: 1.0 | Size: 10 KB | Platform: Matlab, Scripts
Released Date: 27-01-2013 | Rating: 0 | Title: Wave-vector diagram for a 2D photonic crystal
Author Url: http://www.mathworks.com
Program Info Url: http://www.mathworks.com
Download Url: http://www.mathworks.com/matlabcentral/fx_files/22774/1/pwem2Db.zip
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