test
3       :num_phase (number of phases)
9050   :lambda (wavelength)
50      :begtheta (starting angle)
65      :endtheta (ending theta)
.01     :inctheta (angle increment)
1.707    :n[1].rl (real part of n1)
0       :n[1].im (imaginary part of n1)
0.2113    :n[2].rl (real part of n2)
6.143    :n[2].im (imaginary part of n2)
430     :d[2] (Thickness of phase 2)
1.33     :n[3].rl (real part of n3)
0       :n[3].im (imaginary part of n3)