Schott K3, 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 1.089994e+000
C1 6.702336e-003
B2 1.818500e-001
C2 2.542326e-002
B3 9.364787e-001
C3 1.134863e+002