model P03
40cm^-1.............5000cm^-1 
1.2THz..........150THz
250µm........2µm

model P02
30cm^-1.............2500cm^-1 
0.9THz..........75THz
300µm........4µm

model P01
4cm^-1..................800cm^-1  120GHz..........24THz
2.5mm........12µm