data/SiO2-measured-index.txt

wl	n
0.250	1.517462
0.255	1.515228
0.260	1.513136
0.265	1.511173
0.270	1.509329
0.275	1.507595
0.280	1.505961
0.285	1.504421
0.290	1.502966
0.295	1.501590
0.300	1.500288
0.305	1.499055
0.310	1.497885
0.315	1.496774
0.320	1.495719
0.325	1.494715
0.330	1.493759
0.335	1.492849
0.340	1.491981
0.345	1.491152
0.350	1.490361
0.355	1.489605
0.360	1.488882
0.365	1.488189
0.370	1.487527
0.375	1.486891
0.380	1.486282
0.385	1.485698
0.390	1.485137
0.395	1.484598
0.400	1.484080
0.405	1.483582
0.410	1.483102
0.415	1.482641
0.420	1.482197
0.425	1.481768
0.430	1.481356
0.435	1.480958
0.440	1.480573
0.445	1.480203
0.450	1.479844
0.455	1.479498
0.460	1.479164
0.465	1.478841
0.470	1.478528
0.475	1.478225
0.480	1.477932
0.485	1.477649
0.490	1.477374
0.495	1.477107
0.500	1.476849
0.505	1.476599
0.510	1.476356
0.515	1.476121
0.520	1.475892
0.525	1.475670
0.530	1.475455
0.535	1.475245
0.540	1.475042
0.545	1.474844
0.550	1.474652
0.555	1.474464
0.560	1.474283
0.565	1.474106
0.570	1.473933
0.575	1.473766
0.580	1.473602
0.585	1.473443
0.590	1.473288
0.595	1.473137
0.600	1.472990
0.605	1.472847
0.610	1.472707
0.615	1.472570
0.620	1.472437
0.625	1.472307
0.630	1.472181
0.635	1.472057
0.640	1.471936
0.645	1.471818
0.650	1.471703
0.655	1.471591
0.660	1.471481
0.665	1.471373
0.670	1.471268
0.675	1.471166
0.680	1.471065
0.685	1.470967
0.690	1.470871
0.695	1.470778
0.700	1.470686
0.705	1.470596
0.710	1.470508
0.715	1.470422
0.720	1.470338
0.725	1.470255
0.730	1.470174
0.735	1.470095
0.740	1.470018
0.745	1.469942
0.750	1.469867
0.755	1.469794
0.760	1.469723
0.765	1.469653
0.770	1.469584
0.775	1.469517
0.780	1.469451
0.785	1.469386
0.790	1.469323
0.795	1.469260
0.800	1.469199
0.805	1.469139
0.810	1.469080
0.815	1.469023
0.820	1.468966
0.825	1.468910
0.830	1.468855
0.835	1.468802
0.840	1.468749
0.845	1.468697
0.850	1.468646
0.855	1.468597
0.860	1.468547
0.865	1.468499
0.870	1.468452
0.875	1.468405
0.880	1.468360
0.885	1.468315
0.890	1.468270
0.895	1.468227
0.900	1.468184
0.905	1.468142
0.910	1.468101
0.915	1.468060
0.920	1.468020
0.925	1.467981
0.930	1.467942
0.935	1.467904
0.940	1.467866
0.945	1.467830
0.950	1.467793
0.955	1.467758
0.960	1.467722
0.965	1.467688
0.970	1.467654
0.975	1.467620
0.980	1.467587
0.985	1.467555
0.990	1.467523
0.995	1.467491
1.000	1.467460
1.005	1.467429
1.010	1.467399
1.015	1.467369
1.020	1.467340
1.025	1.467311
1.030	1.467283
1.035	1.467255
1.040	1.467227
1.045	1.467200
1.050	1.467173
1.055	1.467147
1.060	1.467121
1.065	1.467095
1.070	1.467070
1.075	1.467045
1.080	1.467020
1.085	1.466996
1.090	1.466972
1.095	1.466949
1.100	1.466925
1.105	1.466902
1.110	1.466880
1.115	1.466857
1.120	1.466835
1.125	1.466813
1.130	1.466792
1.135	1.466771
1.140	1.466750
1.145	1.466729
1.150	1.466709
1.155	1.466689
1.160	1.466669
1.165	1.466649
1.170	1.466630
1.175	1.466611
1.180	1.466592
1.185	1.466574
1.190	1.466555
1.195	1.466537
1.200	1.466519
1.205	1.466502
1.210	1.466484
1.215	1.466467
1.220	1.466450
1.225	1.466433
1.230	1.466416
1.235	1.466400
1.240	1.466384
1.245	1.466368
1.250	1.466352
1.255	1.466336
1.260	1.466321
1.265	1.466306
1.270	1.466290
1.275	1.466276
1.280	1.466261
1.285	1.466246
1.290	1.466232
1.295	1.466218
1.300	1.466204
1.305	1.466190
1.310	1.466176
1.315	1.466162
1.320	1.466149
1.325	1.466136
1.330	1.466123
1.335	1.466110
1.340	1.466097
1.345	1.466084
1.350	1.466071
1.355	1.466059
1.360	1.466047
1.365	1.466035
1.370	1.466023
1.375	1.466011
1.380	1.465999
1.385	1.465987
1.390	1.465976
1.395	1.465965
1.400	1.465953
1.405	1.465942
1.410	1.465931
1.415	1.465920
1.420	1.465910
1.425	1.465899
1.430	1.465888
1.435	1.465878
1.440	1.465868
1.445	1.465857
1.450	1.465847
1.455	1.465837
1.460	1.465827
1.465	1.465818
1.470	1.465808
1.475	1.465798
1.480	1.465789
1.485	1.465779
1.490	1.465770
1.495	1.465761
1.500	1.465752
1.505	1.465743
1.510	1.465734
1.515	1.465725
1.520	1.465716
1.525	1.465707
1.530	1.465699
1.535	1.465690
1.540	1.465682
1.545	1.465673
1.550	1.465665
1.555	1.465657
1.560	1.465649
1.565	1.465641
1.570	1.465633
1.575	1.465625
1.580	1.465617
1.585	1.465609
1.590	1.465602
1.595	1.465594
1.600	1.465587
1.605	1.465579
1.610	1.465572
1.615	1.465564
1.620	1.465557
1.625	1.465550
1.630	1.465543
1.635	1.465536
1.640	1.465529
1.645	1.465522
1.650	1.465515
1.655	1.465508
1.660	1.465502
1.665	1.465495
1.670	1.465488
1.675	1.465482
1.680	1.465475
1.685	1.465469
1.690	1.465462
1.695	1.465456
1.700	1.465450
1.705	1.465444
1.710	1.465438
1.715	1.465431
1.720	1.465425
1.725	1.465419
1.730	1.465413
1.735	1.465408
1.740	1.465402
1.745	1.465396
1.750	1.465390
1.755	1.465385
1.760	1.465379
1.765	1.465373
1.770	1.465368
1.775	1.465362
1.780	1.465357
1.785	1.465351
1.790	1.465346
1.795	1.465341
1.800	1.465335
1.805	1.465330
1.810	1.465325
1.815	1.465320
1.820	1.465315
1.825	1.465310
1.830	1.465305
1.835	1.465300
1.840	1.465295
1.845	1.465290
1.850	1.465285
1.855	1.465280
1.860	1.465275
1.865	1.465271
1.870	1.465266
1.875	1.465261
1.880	1.465257
1.885	1.465252
1.890	1.465248
1.895	1.465243
1.900	1.465239
1.905	1.465234
1.910	1.465230
1.915	1.465225
1.920	1.465221
1.925	1.465217
1.930	1.465212
1.935	1.465208
1.940	1.465204
1.945	1.465200
1.950	1.465196
1.955	1.465192
1.960	1.465187
1.965	1.465183
1.970	1.465179
1.975	1.465175
1.980	1.465171
1.985	1.465167
1.990	1.465164
1.995	1.465160
2.000	1.465156
2.005	1.465152
2.010	1.465148
2.015	1.465145
2.020	1.465141
2.025	1.465137
2.030	1.465133
2.035	1.465130
2.040	1.465126
2.045	1.465123
2.050	1.465119
2.055	1.465115
2.060	1.465112
2.065	1.465108
2.070	1.465105
2.075	1.465102
2.080	1.465098
2.085	1.465095
2.090	1.465091
2.095	1.465088
2.100	1.465085
2.105	1.465081
2.110	1.465078
2.115	1.465075
2.120	1.465072
2.125	1.465069
2.130	1.465065
2.135	1.465062
2.140	1.465059
2.145	1.465056
2.150	1.465053
2.155	1.465050
2.160	1.465047
2.165	1.465044
2.170	1.465041
2.175	1.465038
2.180	1.465035
2.185	1.465032
2.190	1.465029
2.195	1.465026
2.200	1.465023
2.205	1.465020
2.210	1.465017
2.215	1.465015
2.220	1.465012
2.225	1.465009
2.230	1.465006
2.235	1.465003
2.240	1.465001
2.245	1.464998
2.250	1.464995
2.255	1.464993
2.260	1.464990
2.265	1.464987
2.270	1.464985
2.275	1.464982
2.280	1.464980
2.285	1.464977
2.290	1.464974
2.295	1.464972
2.300	1.464969
2.305	1.464967
2.310	1.464964
2.315	1.464962
2.320	1.464959
2.325	1.464957
2.330	1.464955
2.335	1.464952
2.340	1.464950
2.345	1.464947
2.350	1.464945
2.355	1.464943
2.360	1.464940
2.365	1.464938
2.370	1.464936
2.375	1.464933
2.380	1.464931
2.385	1.464929
2.390	1.464927
2.395	1.464924
2.400	1.464922
2.405	1.464920
2.410	1.464918
2.415	1.464916
2.420	1.464913
2.425	1.464911
2.430	1.464909
2.435	1.464907
2.440	1.464905
2.445	1.464903
2.450	1.464901
2.455	1.464899
2.460	1.464897
2.465	1.464895
2.470	1.464892
2.475	1.464890
2.480	1.464888
2.485	1.464886
2.490	1.464884
2.495	1.464882
2.500	1.464881

wl	k
0.250	0.000260
0.255	0.000240
0.260	0.000222
0.265	0.000206
0.270	0.000191
0.275	0.000179
0.280	0.000167
0.285	0.000157
0.290	0.000148
0.295	0.000139
0.300	0.000132
0.305	0.000125
0.310	0.000118
0.315	0.000112
0.320	0.000107
0.325	0.000102
0.330	0
0.335	0
0.340	0
0.345	0
0.350	0
0.355	0
0.360	0
0.365	0
0.370	0
0.375	0
0.380	0
0.385	0
0.390	0
0.395	0
0.400	0
0.405	0
0.410	0
0.415	0
0.420	0
0.425	0
0.430	0
0.435	0
0.440	0
0.445	0
0.450	0
0.455	0
0.460	0
0.465	0
0.470	0
0.475	0
0.480	0
0.485	0
0.490	0
0.495	0
0.500	0
0.505	0
0.510	0
0.515	0
0.520	0
0.525	0
0.530	0
0.535	0
0.540	0
0.545	0
0.550	0
0.555	0
0.560	0
0.565	0
0.570	0
0.575	0
0.580	0
0.585	0
0.590	0
0.595	0
0.600	0
0.605	0
0.610	0
0.615	0
0.620	0
0.625	0
0.630	0
0.635	0
0.640	0
0.645	0
0.650	0
0.655	0
0.660	0
0.665	0
0.670	0
0.675	0
0.680	0
0.685	0
0.690	0
0.695	0
0.700	0
0.705	0
0.710	0
0.715	0
0.720	0
0.725	0
0.730	0
0.735	0
0.740	0
0.745	0
0.750	0
0.755	0
0.760	0
0.765	0
0.770	0
0.775	0
0.780	0
0.785	0
0.790	0
0.795	0
0.800	0
0.805	0
0.810	0
0.815	0
0.820	0
0.825	0
0.830	0
0.835	0
0.840	0
0.845	0
0.850	0
0.855	0
0.860	0
0.865	0
0.870	0
0.875	0
0.880	0
0.885	0
0.890	0
0.895	0
0.900	0
0.905	0
0.910	0
0.915	0
0.920	0
0.925	0
0.930	0
0.935	0
0.940	0
0.945	0
0.950	0
0.955	0
0.960	0
0.965	0
0.970	0
0.975	0
0.980	0
0.985	0
0.990	0
0.995	0
1.000	0
1.005	0
1.010	0
1.015	0
1.020	0
1.025	0
1.030	0
1.035	0
1.040	0
1.045	0
1.050	0
1.055	0
1.060	0
1.065	0
1.070	0
1.075	0
1.080	0
1.085	0
1.090	0
1.095	0
1.100	0
1.105	0
1.110	0
1.115	0
1.120	0
1.125	0
1.130	0
1.135	0
1.140	0
1.145	0
1.150	0
1.155	0
1.160	0
1.165	0
1.170	0
1.175	0
1.180	0
1.185	0
1.190	0
1.195	0
1.200	0
1.205	0
1.210	0
1.215	0
1.220	0
1.225	0
1.230	0
1.235	0
1.240	0
1.245	0
1.250	0
1.255	0
1.260	0
1.265	0
1.270	0
1.275	0
1.280	0
1.285	0
1.290	0
1.295	0
1.300	0
1.305	0
1.310	0
1.315	0
1.320	0
1.325	0
1.330	0
1.335	0
1.340	0
1.345	0
1.350	0
1.355	0
1.360	0
1.365	0
1.370	0
1.375	0
1.380	0
1.385	0
1.390	0
1.395	0
1.400	0
1.405	0
1.410	0
1.415	0
1.420	0
1.425	0
1.430	0
1.435	0
1.440	0
1.445	0
1.450	0
1.455	0
1.460	0
1.465	0
1.470	0
1.475	0
1.480	0
1.485	0
1.490	0
1.495	0
1.500	0
1.505	0
1.510	0
1.515	0
1.520	0
1.525	0
1.530	0
1.535	0
1.540	0
1.545	0
1.550	0
1.555	0
1.560	0
1.565	0
1.570	0
1.575	0
1.580	0
1.585	0
1.590	0
1.595	0
1.600	0
1.605	0
1.610	0
1.615	0
1.620	0
1.625	0
1.630	0
1.635	0
1.640	0
1.645	0
1.650	0
1.655	0
1.660	0
1.665	0
1.670	0
1.675	0
1.680	0
1.685	0
1.690	0
1.695	0
1.700	0
1.705	0
1.710	0
1.715	0
1.720	0
1.725	0
1.730	0
1.735	0
1.740	0
1.745	0
1.750	0
1.755	0
1.760	0
1.765	0
1.770	0
1.775	0
1.780	0
1.785	0
1.790	0
1.795	0
1.800	0
1.805	0
1.810	0
1.815	0
1.820	0
1.825	0
1.830	0
1.835	0
1.840	0
1.845	0
1.850	0
1.855	0
1.860	0
1.865	0
1.870	0
1.875	0
1.880	0
1.885	0
1.890	0
1.895	0
1.900	0
1.905	0
1.910	0
1.915	0
1.920	0
1.925	0
1.930	0
1.935	0
1.940	0
1.945	0
1.950	0
1.955	0
1.960	0
1.965	0
1.970	0
1.975	0
1.980	0
1.985	0
1.990	0
1.995	0
2.000	0
2.005	0
2.010	0
2.015	0
2.020	0
2.025	0
2.030	0
2.035	0
2.040	0
2.045	0
2.050	0
2.055	0
2.060	0
2.065	0
2.070	0
2.075	0
2.080	0
2.085	0
2.090	0
2.095	0
2.100	0
2.105	0
2.110	0
2.115	0
2.120	0
2.125	0
2.130	0
2.135	0
2.140	0
2.145	0
2.150	0
2.155	0
2.160	0
2.165	0
2.170	0
2.175	0
2.180	0
2.185	0
2.190	0
2.195	0
2.200	0
2.205	0
2.210	0
2.215	0
2.220	0
2.225	0
2.230	0
2.235	0
2.240	0
2.245	0
2.250	0
2.255	0
2.260	0
2.265	0
2.270	0
2.275	0
2.280	0
2.285	0
2.290	0
2.295	0
2.300	0
2.305	0
2.310	0
2.315	0
2.320	0
2.325	0
2.330	0
2.335	0
2.340	0
2.345	0
2.350	0
2.355	0
2.360	0
2.365	0
2.370	0
2.375	0
2.380	0
2.385	0
2.390	0
2.395	0
2.400	0
2.405	0
2.410	0
2.415	0
2.420	0
2.425	0
2.430	0
2.435	0
2.440	0
2.445	0
2.450	0
2.455	0
2.460	0
2.465	0
2.470	0
2.475	0
2.480	0
2.485	0
2.490	0
2.495	0
2.500	0