Schott KzF S1, 365nm - 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	1.36618048E+00;
B2	1.82049028E-01;
B3	8.64314609E-01;
C1	8.73165063E-03;
C2	3.89834096E-02;
C3	6.29392443E+01;