Wavelength          Refr. Index
micron              real part
-------------------------------
0.35                1.32492
0.36                1.32376
0.37                1.32262
0.38                1.32152
0.39                1.32045
0.4                 1.3194
0.41                1.31854
0.42                1.31775
0.43                1.31702
0.44                1.31633
0.45                1.31569
0.46                1.31509
0.47                1.31452
0.48                1.31399
0.49                1.31349
0.5                 1.31302
0.51                1.31257
0.52                1.31215
0.53                1.31175
0.54                1.31136
0.55                1.31099
0.56                1.31064
0.57                1.31031
0.58                1.30999
0.59                1.30968
0.6                 1.30938
0.61                1.30909
0.62                1.30882
0.63                1.30855
0.64                1.30829
0.65                1.30804
0.66                1.3078
0.67                1.30756
0.68                1.30733
0.69                1.3071
0.7                 1.30688
-----------------------------