Schott PK3, 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 1.149662e+000
C1 6.701363e-003
B2 1.475456e-001
C2 2.272762e-002
B3 1.030519e+000
C3 1.031520e+002