Schott KzF SN2, 334nm - 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	1.26169705E+00;
B2	1.28881191E-01;
B3	8.98521214E-01;
C1	7.67420045E-03;
C2	3.30129627E-02;
C3	7.08271139E+01;