Schott ZK N7, 313nm - 2325nm
USER
2 1
SQRT(1+B1*wvl^2/(wvl^2-C1)+B2*wvl^2/(wvl^2-C2)+B3*wvl^2/(wvl^2-C3))
0
B1 1.077150e+000
C1 6.766017e-003
B2 1.680791e-001
C2 2.306428e-002
B3 8.518899e-001
C3 8.904988e+001