Schott ZK1, 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 1.091921e+000
C1 6.555001e-003
B2 2.234599e-001
C2 2.437128e-002
B3 8.693534e-001
C3 1.023377e+002