Dear Steven and others,
I want to calculate the SW(surface waves) band structure of a dispersive slab.I
can get the rigorous result by TMM.But the result calculated by Meep is not
consistent with the theoretical result. I don't know why.Attachment is the ctl
file. Thanks in advance!
Best wishes!
Huang
(set! geometry-lattice (make lattice (size 0.5 15 no-size)))
(set-param! resolution 30)
(define-param w 1)
(define-param dpml 1)
(set! geometry (list (make block (center 0 0) (size infinity w infinity)
(material (make dielectric (epsilon 1.0) (polarizations (make polarizability
(omega 1e-4) (gamma 1e-6) (delta-epsilon 1.8e7))))))))
(set! pml-layers (list (make pml (direction Y) (thickness dpml))))
(define-param fcen 1)
(define-param df 2)
(set! sources (list (make source (src (make gaussian-src (frequency fcen)
(fwidth df))) (component Hz) (center 0 0)(amplitude 3) )))
(set! symmetries (list (make mirror-sym (direction Y) (phase -1))))
(define-param kmin 0)
(define-param kmax 1)
(define-param k-interp 60)
(define kpts (interpolate k-interp (list (vector3 kmin) (vector3 kmax))))
(run-k-points 300 kpts)
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