Dear meep users, I want to calculate the Near field enhancement of a
sphere with 25nm radius (0.25 in meep units) at a single point. For this i
defined a volume region around the sphere by using th (in-volume) command. The
sphere is placed in the center of the computational cell.
(set! sources (list
(make source
(src(make continuous-src (wavelength 5.28) (width 2.64)))
(component Ex)
(center 0 0 -1)
(size 2.5 2.5 0)
)
)
)(run-until 100
(at-beginning output-epsilon)
(in-volume (volume (center 0 0 0) (size 0.25 0 0)) (to-appended "ex" (at-end
output-efield-x)))
(in-volume (volume (center 0 0 0) (size 0.25 0 0)) (to-appended "ey" (at-end
output-efield-y)))
(in-volume (volume (center 0 0 0) (size 0.25 0 0)) (to-appended "ez" (at-end
output-efield-z)))
)
I obtained the a very small value of the near field enhancement. Can somebody
tell me is there anything wrong with the code? I am a little doubtful about the
in-volume. Please somebody clarify it.
Thanks,Best Regards,Hogen _______________________________________________
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