Schott K10, 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 1.156871e+000
C1 8.094243e-003
B2 6.426254e-002
C2 3.860513e-002
B3 8.723761e-001
C3 1.047477e+002