Schott Ba K4, 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 1.229655e+000
C1 7.235532e-003
B2 1.915130e-001
C2 2.777710e-002
B3 9.568898e-001
C3 1.096873e+002