Schott PSK52, 334nm - 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 1.236512e+000
C1 6.275786e-003
B2 2.965546e-001
C2 1.903410e-002
B3 9.389960e-001
C3 9.765909e+001