wavelength_nm,n_real,n_imag
1120,0.580117448,0.068328499
1143,0.628763747,0.092067258
1163,0.589521172,0.103284762
1187,0.53044694,0.120442875
1205,0.486861322,0.142008722
1225,0.455635706,0.169518221
1248,0.43428813,0.195120586
1260,0.421562148,0.207110584
1281,0.389082228,0.225501316
1313,0.277923899,0.295764751
1336,0.178921506,0.438460944
1352,0.138679866,0.512640744
1385,0.092166684,0.543503872
1411,0.088059144,0.624353637
1450,0.082788398,0.806702437
1482,0.066265919,0.899763125
1502,0.068221483,0.996201448
1524,0.078473521,1.136267163
1543,0.090272378,1.306993137
1569,0.081321731,1.323096395