Wave-vector diagram for a 2D photonic crystal 1.0

Date Added: May 03, 2013 | Visits: 480

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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 andinfinite 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

Requirements: No special requirements

Platforms: Matlab

Keyword: Calculating, Discretization, Epsggm, Function, Irr, Matrix, Program, Programs, Pwem Dbm, Routine

Users rating: 0/10

License: Shareware

Size: 10 KB

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