Hi All: I am a laboratory experimentalist in Los Angeles and was finding some very interesting enhanced-greybody emissions from micron-sized, monodisperse, perfectly spherical carbon particles when they are heated in a flame. I believe the emissions are enhancements in the absorption coefficient of the particles, both individually and in clusters, from the complex index of refraction of carbon in conjunction with the extreme symmetry of the particles. (I've seen some plots of single-sphere analytic solutions that suggest this, and nonspherical particles of the same material give no enhancement to wavelength plots of Q_abs.)
I am looking at Meep as a potential way to investigate this, since computer power has become very cheap, but I'm not sure how to "get at" Q_abs (absorption coefficient) from a program like Meep. I was reading the Meep docs and it looked like I could run cases with and without particles present and ratio the fields. I would appreciate any suggestions for approaches with Meep and/or other software (although my budget doesn't allow for expensive commercial software). I'm not a Real Programmer, but I've written a lot of software to control my experiment controller and data reduction computers. Thank You Very Much, In Advance, Patti Sheaffer PS: I'm currently running through the setup documentation on a SuSE 10.3 Linux box.
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