User mat template (Cauchy)
USER
2 1
A+B/wvl + C/wvl^2 + D/wvl^3 + E/wvl^4 + F/wvl^5 + G/wvl^6
0
A 1.403200e+000
B 1.211300e-001
C -1.307000e-001
D 7.795500e-002
E -2.487800e-002
F 4.116000e-003
G -2.740000e-004