Re: [Meep-discuss] losing mode points problem in band calculation

2009-07-17 Thread Kristian Medri
: July 17, 2009 4:13 PM To: MEEP Discuss Subject: Re: [Meep-discuss] losing mode points problem in band calculation Occasionally harminv will miss modes (or find spurious ones)...you have to remember that it is solving a rather tricky signal-processing problem. So, when you compute band

Re: [Meep-discuss] losing mode points problem in band calculation

2009-07-17 Thread Steven G. Johnson
Occasionally harminv will miss modes (or find spurious ones)...you have to remember that it is solving a rather tricky signal-processing problem. So, when you compute band structures by running harminv at lots of k points, occasionally you will get missing data points. For example, you ca

[Meep-discuss] losing mode points problem in band calculation

2009-07-14 Thread 刘荣鹃
Hi, I'm using meep to calculate the band structure of waveguide band stucuture in 3D photonic crystal. When the resolution or cell size increase, I can't get the complete band structure any more(when resolution=8, I can get a complete band). The mode points at high K-point are alway lost. what's