[Meep-discuss] (no subject)

2018-04-23 Thread
Dear meep users, I just don't know why there is not Si in the material library,it is a very common material.And I found the refractive index in Medium is frequency-independent ,does this mean that refractive index does not change with wavelength?It does not make sense,and how can i define Si

[Meep-discuss] c in meep units

2018-03-20 Thread
Dear meep users, I just don't know why c equals 1 in meep units , Isn't it the speed of light in the vacuum ? Wish to get your help,thanks a lot Jiancheng ___ meep-discuss mailing list meep-discuss@ab-initio.mit.edu

[Meep-discuss] The direction of sources and the use of a method field_energy _in_box(box)

2018-03-18 Thread
Dear meep users, I just want to calculate the transmission efficiency of a waveguide and I don't know why there is not a attribute of direction in the attribute list of sources. In this case,the energy of sources spreads out and how can I calculate the efficiency?Additionally , the instruction of