Re: [Meep-discuss] Generating collapsing spherical wavefront

2009-10-15 Thread Steven G. Johnson
On Oct 14, 2009, at 7:34 PM, ObsessiveMathsFreak wrote: In particular, once I move to the 3D case, I like to be able to specify the wave source without having to deal with a collossal array of individual point sources, and the subsequent headaches involved with this. Has anyone ever done a

Re: [Meep-discuss] Generating collapsing spherical wavefront

2009-10-15 Thread p . kinsler
ObsessiveMathsFreak wrote: > What I would like to do is generate a inwardly collapsing spherical wave > front, but meep does not seem to support sources with complex geometry. An inwardly collapsing spherical wave is a time-reversed outwardly expanding spherical wave. So why not generate an ex

Re: [Meep-discuss] Generating collapsing spherical wavefront

2009-10-15 Thread Andreas Unger
Hi, ObsessiveMathsFreak wrote: I'm currently trying to use meep to get a better feel for wave front caustics. I'm not sure if this is a good idea or not. What I would like to do is generate a inwardly collapsing spherical wave front, but meep does not seem to support sources with complex geo

Re: [Meep-discuss] Band calculation for a triangular lattice

2009-10-15 Thread Sang Soon Oh
Dear KB, Thank you for your comments and introduction of a nice meep code. Actually, I overelooked the source codes and SGJ's old postings. I should take back the statement "there is no way to obtain abnd structures in a single run". What I was trying to mean was that we need a post-proc