$ifcalcgth

$ifcalcgth is a command to calculate the laser threshold modal gain by consider mirror loss, free carrier absorption loss and additional loss (customized). The format is

$ifcalcgth
r1 r2 cavlen otherloss
abscoef(1)
abscoef(2)
...
abscoef(par%n)

Example:

$ifcalcgth
0.3  0.99  300e-4  0.42
225
225
175
24
24
100
100
24
24
20000
20000