On Jun 23, 2008, at 7:39 AM, perrotton wrote: > Following the post , I understand better how I have to place the PML > (Thanks to one meep user: Mischa Meegens). However, I am wondering > if in > my case the use of PML is necessary. Since "For any such case > (periodic > medium) PML seems to be irrevocably spoiled" according to "Notes on > Perfectly Matched Layers" written by S. Johnson.
It is not a PML any more, but it can still be an effective absorber if the "PML" is thick enough, because it turns on slowly (quadratically) and there is an adiabatic limit of low reflection. See also this preprint of our upcoming Optics Express paper: http://www-math.mit.edu/~stevenj/preprints/OskooiZh08-preprint.pdf _______________________________________________ meep-discuss mailing list [email protected] http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss
