try switching off the "metal" behaviour by e.g. imposing a purely real
dielectric constant on your sphere, so that it acts as a pure scatterer, record
the field in a few points, then redo the simulation with a metal sphere and see
what changes
just a guess
br
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Today's Topics:
1. Problem with the Near Field Enhancement (Aaron Abbott)
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Message: 1
Date: Mon, 21 Mar 2011 11:01:01 +0100
From: Aaron Abbott <aaron_abb...@hotmail.com>
Subject: [Meep-discuss] Problem with the Near Field Enhancement
To: <meep-discuss@ab-initio.mit.edu>
Message-ID: <blu159-w551d9d41bf7cbd5709e835ed...@phx.gbl>
Content-Type: text/plain; charset="iso-8859-1"
Dear MEEP users, I am trying to calculate the near field
enhancement of a gold nanosphere. At the moment i only calculated the
enhancement at a fixed wavelength using a continuous source. Now i want to
calculate the enhancement at a broadband wavelength. I don't know about the
next steps after hitting a sphere with a broadband pulse. How should i know
that which value of the enhancement corresponds to which wavelength?I also read
on the group that i should take a 4D Fourier transform. Can somebody tell me
how should i perform a 4D Fourier transform?
Thanks in advance.
BR,Aaron
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