Schott PK51A, 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 1.156108e+000
C1 5.855974e-003
B2 1.532293e-001
C2 1.940724e-002
B3 7.856190e-001
C3 1.405370e+002