User-defined Material Glass with absorbing tails
USER
2 1
An + Bn/wvl^2 + Cn/wvl^4
(Ak*0.000001*exp((Bk/(wvl-0.02))^2) + Ck*wvl^4) * 0.000001
An 1.505123
Bn 0.003346
Cn 0.000000
Ak 430.215278
Bk 1.031426
Ck 16.888310