# this file is part of refractiveindex.info database
# refractiveindex.info database is in the public domain
# copyright and related rights waived via CC0 1.0

REFERENCES: |
    E. Pruszynska-Karbownik, T. Fas, K. Branko, D. Yavorskiy, B. Stonio, R. Bozek, P. Karbownik, J. Wrobel, T. Czyszanowski, T. Stefaniuk, W. Pacuski, and J. Suffczyński.
    Optical bound states in the continuum in subwavelength gratings made of an epitaxial van der Waals material.
    <a href="https://doi.org/10.1021/acsnano.5c12870"><i>ACS Nano</i> <b>20</b>, 7426-7437 (2026)</a>
COMMENTS: |
    MBE-grown 42-nm layer; room temperature. Extraordinary ray (e).
DATA:
  - type: tabulated n
    data: |
        0.193 4.552
        0.194 4.514
        0.195 4.478
        0.196 4.443
        0.197 4.409
        0.198 4.377
        0.199 4.346
        0.200 4.316
        0.201 4.287
        0.202 4.259
        0.203 4.232
        0.204 4.206
        0.205 4.180
        0.206 4.156
        0.207 4.132
        0.208 4.109
        0.209 4.087
        0.210 4.065
        0.211 4.044
        0.212 4.024
        0.213 4.004
        0.214 3.985
        0.215 3.966
        0.216 3.948
        0.217 3.930
        0.218 3.913
        0.219 3.896
        0.220 3.880
        0.221 3.864
        0.222 3.848
        0.223 3.833
        0.224 3.819
        0.225 3.804
        0.226 3.790
        0.227 3.776
        0.228 3.763
        0.229 3.750
        0.230 3.737
        0.231 3.725
        0.232 3.713
        0.233 3.701
        0.234 3.689
        0.235 3.678
        0.236 3.667
        0.237 3.656
        0.238 3.645
        0.239 3.635
        0.240 3.624
        0.241 3.614
        0.242 3.605
        0.243 3.595
        0.244 3.586
        0.245 3.576
        0.246 3.567
        0.247 3.558
        0.248 3.550
        0.249 3.541
        0.250 3.533
        0.251 3.525
        0.252 3.517
        0.253 3.509
        0.254 3.501
        0.255 3.493
        0.256 3.486
        0.257 3.478
        0.258 3.471
        0.259 3.464
        0.260 3.457
        0.261 3.450
        0.262 3.444
        0.263 3.437
        0.264 3.430
        0.265 3.424
        0.266 3.418
        0.267 3.412
        0.268 3.405
        0.269 3.400
        0.270 3.394
        0.271 3.388
        0.272 3.382
        0.273 3.377
        0.274 3.371
        0.275 3.366
        0.276 3.360
        0.277 3.355
        0.278 3.350
        0.279 3.345
        0.280 3.340
        0.281 3.335
        0.282 3.330
        0.283 3.325
        0.284 3.320
        0.285 3.316
        0.286 3.311
        0.287 3.307
        0.288 3.302
        0.289 3.298
        0.290 3.293
        0.291 3.289
        0.292 3.285
        0.293 3.281
        0.294 3.277
        0.295 3.273
        0.296 3.269
        0.297 3.265
        0.298 3.261
        0.299 3.257
        0.300 3.253
        0.301 3.250
        0.302 3.246
        0.303 3.242
        0.304 3.239
        0.305 3.235
        0.306 3.232
        0.307 3.228
        0.308 3.225
        0.309 3.221
        0.310 3.218
        0.311 3.215
        0.312 3.212
        0.313 3.208
        0.314 3.205
        0.315 3.202
        0.316 3.199
        0.317 3.196
        0.318 3.193
        0.319 3.190
        0.320 3.187
        0.321 3.184
        0.322 3.182
        0.323 3.179
        0.324 3.176
        0.325 3.173
        0.326 3.170
        0.327 3.168
        0.328 3.165
        0.329 3.162
        0.330 3.160
        0.331 3.157
        0.332 3.155
        0.333 3.152
        0.334 3.150
        0.335 3.147
        0.336 3.145
        0.337 3.143
        0.338 3.140
        0.339 3.138
        0.340 3.136
        0.341 3.133
        0.342 3.131
        0.343 3.129
        0.344 3.126
        0.345 3.124
        0.346 3.122
        0.347 3.120
        0.348 3.118
        0.349 3.116
        0.350 3.114
        0.351 3.112
        0.352 3.110
        0.353 3.108
        0.354 3.106
        0.355 3.104
        0.356 3.102
        0.357 3.100
        0.358 3.098
        0.359 3.096
        0.360 3.094
        0.361 3.092
        0.362 3.090
        0.363 3.089
        0.364 3.087
        0.365 3.085
        0.366 3.083
        0.367 3.081
        0.368 3.080
        0.369 3.078
        0.370 3.076
        0.371 3.075
        0.372 3.073
        0.373 3.071
        0.374 3.070
        0.375 3.068
        0.376 3.066
        0.377 3.065
        0.378 3.063
        0.379 3.062
        0.380 3.060
        0.381 3.059
        0.382 3.057
        0.383 3.056
        0.384 3.054
        0.385 3.053
        0.386 3.051
        0.387 3.050
        0.388 3.048
        0.389 3.047
        0.390 3.046
        0.391 3.044
        0.392 3.043
        0.393 3.041
        0.394 3.040
        0.395 3.039
        0.396 3.037
        0.397 3.036
        0.398 3.035
        0.399 3.033
        0.400 3.032
        0.401 3.031
        0.402 3.030
        0.403 3.028
        0.404 3.027
        0.405 3.026
        0.406 3.025
        0.407 3.023
        0.408 3.022
        0.409 3.021
        0.410 3.020
        0.411 3.019
        0.412 3.018
        0.413 3.016
        0.414 3.015
        0.415 3.014
        0.416 3.013
        0.417 3.012
        0.418 3.011
        0.419 3.010
        0.420 3.009
        0.421 3.008
        0.422 3.007
        0.423 3.005
        0.424 3.004
        0.425 3.003
        0.426 3.002
        0.427 3.001
        0.428 3.000
        0.429 2.999
        0.430 2.998
        0.431 2.997
        0.432 2.996
        0.433 2.995
        0.434 2.994
        0.435 2.993
        0.436 2.992
        0.437 2.991
        0.438 2.991
        0.439 2.990
        0.440 2.989
        0.441 2.988
        0.442 2.987
        0.443 2.986
        0.444 2.985
        0.445 2.984
        0.446 2.983
        0.447 2.982
        0.448 2.982
        0.449 2.981
        0.450 2.980
        0.451 2.979
        0.452 2.978
        0.453 2.977
        0.454 2.976
        0.455 2.976
        0.456 2.975
        0.457 2.974
        0.458 2.973
        0.459 2.972
        0.460 2.972
        0.461 2.971
        0.462 2.970
        0.463 2.969
        0.464 2.968
        0.465 2.968
        0.466 2.967
        0.467 2.966
        0.468 2.965
        0.469 2.965
        0.470 2.964
        0.471 2.963
        0.472 2.963
        0.473 2.962
        0.474 2.961
        0.475 2.960
        0.476 2.960
        0.477 2.959
        0.478 2.958
        0.479 2.958
        0.480 2.957
        0.481 2.956
        0.482 2.956
        0.483 2.955
        0.484 2.954
        0.485 2.953
        0.486 2.953
        0.487 2.952
        0.488 2.952
        0.489 2.951
        0.490 2.950
        0.491 2.950
        0.492 2.949
        0.493 2.948
        0.494 2.948
        0.495 2.947
        0.496 2.946
        0.497 2.946
        0.498 2.945
        0.499 2.945
        0.500 2.944
        0.501 2.943
        0.502 2.943
        0.503 2.942
        0.504 2.942
        0.505 2.941
        0.506 2.941
        0.507 2.940
        0.508 2.939
        0.509 2.939
        0.510 2.938
        0.511 2.938
        0.512 2.937
        0.513 2.937
        0.514 2.936
        0.515 2.935
        0.516 2.935
        0.517 2.934
        0.518 2.934
        0.519 2.933
        0.520 2.933
        0.521 2.932
        0.522 2.932
        0.523 2.931
        0.524 2.931
        0.525 2.930
        0.526 2.930
        0.527 2.929
        0.528 2.929
        0.529 2.928
        0.530 2.928
        0.531 2.927
        0.532 2.927
        0.533 2.926
        0.534 2.926
        0.535 2.925
        0.536 2.925
        0.537 2.924
        0.538 2.924
        0.539 2.923
        0.540 2.923
        0.541 2.922
        0.542 2.922
        0.543 2.921
        0.544 2.921
        0.545 2.921
        0.546 2.920
        0.547 2.920
        0.548 2.919
        0.549 2.919
        0.550 2.918
        0.551 2.918
        0.552 2.917
        0.553 2.917
        0.554 2.917
        0.555 2.916
        0.556 2.916
        0.557 2.915
        0.558 2.915
        0.559 2.915
        0.560 2.914
        0.561 2.914
        0.562 2.913
        0.563 2.913
        0.564 2.912
        0.565 2.912
        0.566 2.912
        0.567 2.911
        0.568 2.911
        0.569 2.910
        0.570 2.910
        0.571 2.910
        0.572 2.909
        0.573 2.909
        0.574 2.909
        0.575 2.908
        0.576 2.908
        0.577 2.907
        0.578 2.907
        0.579 2.907
        0.580 2.906
        0.581 2.906
        0.582 2.906
        0.583 2.905
        0.584 2.905
        0.585 2.904
        0.586 2.904
        0.587 2.904
        0.588 2.903
        0.589 2.903
        0.590 2.903
        0.591 2.902
        0.592 2.902
        0.593 2.902
        0.594 2.901
        0.595 2.901
        0.596 2.901
        0.597 2.900
        0.598 2.900
        0.599 2.900
        0.600 2.899
        0.601 2.899
        0.602 2.899
        0.603 2.898
        0.604 2.898
        0.605 2.898
        0.606 2.897
        0.607 2.897
        0.608 2.897
        0.609 2.896
        0.610 2.896
        0.611 2.896
        0.612 2.895
        0.613 2.895
        0.614 2.895
        0.615 2.894
        0.616 2.894
        0.617 2.894
        0.618 2.894
        0.619 2.893
        0.620 2.893
        0.621 2.893
        0.622 2.892
        0.623 2.892
        0.624 2.892
        0.625 2.892
        0.626 2.891
        0.627 2.891
        0.628 2.891
        0.629 2.890
        0.630 2.890
        0.631 2.890
        0.632 2.890
        0.633 2.889
        0.634 2.889
        0.635 2.889
        0.636 2.888
        0.637 2.888
        0.638 2.888
        0.639 2.888
        0.640 2.887
        0.641 2.887
        0.642 2.887
        0.643 2.886
        0.644 2.886
        0.645 2.886
        0.646 2.886
        0.647 2.885
        0.648 2.885
        0.649 2.885
        0.650 2.885
        0.651 2.884
        0.652 2.884
        0.653 2.884
        0.654 2.884
        0.655 2.883
        0.656 2.883
        0.657 2.883
        0.658 2.883
        0.659 2.882
        0.660 2.882
        0.661 2.882
        0.662 2.882
        0.663 2.881
        0.664 2.881
        0.665 2.881
        0.666 2.881
        0.667 2.880
        0.668 2.880
        0.669 2.880
        0.670 2.880
        0.671 2.880
        0.672 2.879
        0.673 2.879
        0.674 2.879
        0.675 2.879
        0.676 2.878
        0.677 2.878
        0.678 2.878
        0.679 2.878
        0.680 2.877
        0.681 2.877
        0.682 2.877
        0.683 2.877
        0.684 2.877
        0.685 2.876
        0.686 2.876
        0.687 2.876
        0.688 2.876
        0.689 2.876
        0.690 2.875
        0.691 2.875
        0.692 2.875
        0.693 2.875
        0.694 2.874
        0.695 2.874
        0.696 2.874
        0.697 2.874
        0.698 2.874
        0.699 2.873
        0.700 2.873
        0.701 2.873
        0.702 2.873
        0.703 2.873
        0.704 2.872
        0.705 2.872
        0.706 2.872
        0.707 2.872
        0.708 2.872
        0.709 2.871
        0.710 2.871
        0.711 2.871
        0.712 2.871
        0.713 2.871
        0.714 2.870
        0.715 2.870
        0.716 2.870
        0.717 2.870
        0.718 2.870
        0.719 2.870
        0.720 2.869
        0.721 2.869
        0.722 2.869
        0.723 2.869
        0.724 2.869
        0.725 2.868
        0.726 2.868
        0.727 2.868
        0.728 2.868
        0.729 2.868
        0.730 2.868
        0.731 2.867
        0.732 2.867
        0.733 2.867
        0.734 2.867
        0.735 2.867
        0.736 2.866
        0.737 2.866
        0.738 2.866
        0.739 2.866
        0.740 2.866
        0.741 2.866
        0.742 2.865
        0.743 2.865
        0.744 2.865
        0.745 2.865
        0.746 2.865
        0.747 2.865
        0.748 2.864
        0.749 2.864
        0.750 2.864
        0.751 2.864
        0.752 2.864
        0.753 2.864
        0.754 2.863
        0.755 2.863
        0.756 2.863
        0.757 2.863
        0.758 2.863
        0.759 2.863
        0.760 2.863
        0.761 2.862
        0.762 2.862
        0.763 2.862
        0.764 2.862
        0.765 2.862
        0.766 2.862
        0.767 2.861
        0.768 2.861
        0.769 2.861
        0.770 2.861
        0.771 2.861
        0.772 2.861
        0.773 2.861
        0.774 2.860
        0.775 2.860
        0.776 2.860
        0.777 2.860
        0.778 2.860
        0.779 2.860
        0.780 2.860
        0.781 2.859
        0.782 2.859
        0.783 2.859
        0.784 2.859
        0.785 2.859
        0.786 2.859
        0.787 2.859
        0.788 2.858
        0.789 2.858
        0.790 2.858
        0.791 2.858
        0.792 2.858
        0.793 2.858
        0.794 2.858
        0.795 2.857
        0.796 2.857
        0.797 2.857
        0.798 2.857
        0.799 2.857
        0.800 2.857
        0.801 2.857
        0.802 2.856
        0.803 2.856
        0.804 2.856
        0.805 2.856
        0.806 2.856
        0.807 2.856
        0.808 2.856
        0.809 2.856
        0.810 2.855
        0.811 2.855
        0.812 2.855
        0.813 2.855
        0.814 2.855
        0.815 2.855
        0.816 2.855
        0.817 2.855
        0.818 2.854
        0.819 2.854
        0.820 2.854
        0.821 2.854
        0.822 2.854
        0.823 2.854
        0.824 2.854
        0.825 2.854
        0.826 2.853
        0.827 2.853
        0.828 2.853
        0.829 2.853
        0.830 2.853
        0.831 2.853
        0.832 2.853
        0.833 2.853
        0.834 2.852
        0.835 2.852
        0.836 2.852
        0.837 2.852
        0.838 2.852
        0.839 2.852
        0.840 2.852
        0.841 2.852
        0.842 2.852
        0.843 2.851
        0.844 2.851
        0.845 2.851
        0.846 2.851
        0.847 2.851
        0.848 2.851
        0.849 2.851
        0.850 2.851
        0.851 2.851
        0.852 2.850
        0.853 2.850
        0.854 2.850
        0.855 2.850
        0.856 2.850
        0.857 2.850
        0.858 2.850
        0.859 2.850
        0.860 2.850
        0.861 2.849
        0.862 2.849
        0.863 2.849
        0.864 2.849
        0.865 2.849
        0.866 2.849
        0.867 2.849
        0.868 2.849
        0.869 2.849
        0.870 2.848
        0.871 2.848
        0.872 2.848
        0.873 2.848
        0.874 2.848
        0.875 2.848
        0.876 2.848
        0.877 2.848
        0.878 2.848
        0.879 2.848
        0.880 2.847
        0.881 2.847
        0.882 2.847
        0.883 2.847
        0.884 2.847
        0.885 2.847
        0.886 2.847
        0.887 2.847
        0.888 2.847
        0.889 2.847
        0.890 2.846
        0.891 2.846
        0.892 2.846
        0.893 2.846
        0.894 2.846
        0.895 2.846
        0.896 2.846
        0.897 2.846
        0.898 2.846
        0.899 2.846
        0.900 2.846
        0.901 2.845
        0.902 2.845
        0.903 2.845
        0.904 2.845
        0.905 2.845
        0.906 2.845
        0.907 2.845
        0.908 2.845
        0.909 2.845
        0.910 2.845
        0.911 2.845
        0.912 2.844
        0.913 2.844
        0.914 2.844
        0.915 2.844
        0.916 2.844
        0.917 2.844
        0.918 2.844
        0.919 2.844
        0.920 2.844
        0.921 2.844
        0.922 2.844
        0.923 2.844
        0.924 2.843
        0.925 2.843
        0.926 2.843
        0.927 2.843
        0.928 2.843
        0.929 2.843
        0.930 2.843
        0.931 2.843
        0.932 2.843
        0.933 2.843
        0.934 2.843
        0.935 2.842
        0.936 2.842
        0.937 2.842
        0.938 2.842
        0.939 2.842
        0.940 2.842
        0.941 2.842
        0.942 2.842
        0.943 2.842
        0.944 2.842
        0.945 2.842
        0.946 2.842
        0.947 2.842
        0.948 2.841
        0.949 2.841
        0.950 2.841
        0.951 2.841
        0.952 2.841
        0.953 2.841
        0.954 2.841
        0.955 2.841
        0.956 2.841
        0.957 2.841
        0.958 2.841
        0.959 2.841
        0.960 2.841
        0.961 2.840
        0.962 2.840
        0.963 2.840
        0.964 2.840
        0.965 2.840
        0.966 2.840
        0.967 2.840
        0.968 2.840
        0.969 2.840
        0.970 2.840
        0.971 2.840
        0.972 2.840
        0.973 2.840
        0.974 2.839
        0.975 2.839
        0.976 2.839
        0.977 2.839
        0.978 2.839
        0.979 2.839
        0.980 2.839
        0.981 2.839
        0.982 2.839
        0.983 2.839
        0.984 2.839
        0.985 2.839
        0.986 2.839
        0.987 2.839
        0.988 2.838
        0.989 2.838
        0.990 2.838
        0.991 2.838
        0.992 2.838
        0.993 2.838
        0.994 2.838
        0.995 2.838
        0.996 2.838
        0.997 2.838
        0.998 2.838
        0.999 2.838
        1.000 2.838
        1.002 2.837
        1.005 2.837
        1.008 2.837
        1.010 2.837
        1.012 2.837
        1.015 2.837
        1.018 2.837
        1.020 2.836
        1.022 2.836
        1.025 2.836
        1.028 2.836
        1.030 2.836
        1.032 2.836
        1.035 2.835
        1.038 2.835
        1.040 2.835
        1.042 2.835
        1.045 2.835
        1.048 2.835
        1.050 2.835
        1.052 2.834
        1.055 2.834
        1.058 2.834
        1.060 2.834
        1.062 2.834
        1.065 2.834
        1.067 2.834
        1.070 2.833
        1.073 2.833
        1.075 2.833
        1.077 2.833
        1.080 2.833
        1.083 2.833
        1.085 2.833
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