! 300 l/mm Surface Relief Grating
! Scaled from RGL Curve, extrapolated beyond below 4000 and above 9000
! khn 23 Feb, 2010
3200	0.00
3500	0.20
4000	0.56
4500	0.66
5000	0.73
5500	0.73
6000	0.69
6500	0.62
7000	0.56
7500	0.50
8000	0.45
8500	0.40
9000	0.35
9500	0.30
10000   0.25