On Jan 28, 2008, at 1:54 PM, Goldwin, Jonathan M wrote: > I would like to speed up a 3D simulation by exploiting the > cylindrical symmetry of my structure (essentially an on-axis lens, > with m=0), but I need a plane-wave source. A linearly polarized > source lacks cylindrical symmetry, so I need to generate circularly > polarized light. How can I create a circularly polarized plane-wave > source in cylindrical coordinates? >
A circularly polarized planewave in cylindrical coordinates is E = (rhat + i phihat) exp(i phi). So, just create a constant Er (radial) current source and a constant Ep (phi) current source with amplitude 0+1i, and use m=1. Steven _______________________________________________ meep-discuss mailing list [email protected] http://ab-initio.mit.edu/cgi-bin/mailman/listinfo/meep-discuss

