Schott K5, 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 1.085118e+000
C1 6.610995e-003
B2 1.995620e-001
C2 2.411087e-002
B3 9.305117e-001
C3 1.119828e+002