On Mar 5, 2008, at 8:03 PM, adrian wrote: > I have one question on subpixel averaging. > I defined a disk with diameter equal to 16nm and height equal > to 24nm and epsilon equal to 11, however, > meep produced a disk which epsilon is 7.2 and its diameter is > smaller than 12nm. > The grid size is 2nm and this disk is located in the middle of air > gap. This air gap is 20nm. I have used (set! eps-averaging? false).
This sounds strange to me; possibly you are looking at the output file correctly. For any pixel that is completely inside the object, it will use the dielectric constant you specified. And there should be no way that the diameter could be more than two pixels smaller than you specified. Intermediate epsilon values are only used for pixels (voxels) that straddle a dielectric interface. Steven _______________________________________________ meep-discuss mailing list [email protected] http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss
