# 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: |
    P. G. Zotev, Y. Wang, D. Andres-Penares, T. Severs-Millard, S. Randerson, X. Hu, L. Sortino, C. Louca, M. Brotons-Gisbert, T. Huq, S. Vezzoli, R. Sapienza, T. F. Krauss, B. D. Gerardot, A. I. Tartakovskii.
    Van der Waals materials for applications in nanophotonics.
    <a href="https://doi.org/10.1002/lpor.202200957"><i>Laser and Photonics Rev.</i> <b>17</b>, 2200957 (2023)</a>
    (Numerical data kindly provided by Panaiot Zotev)
COMMENTS: |
    Multilayer crystals. In-plane (ordinary ray, o). Room temperature.
CONDITIONS:
    direction: o
DATA:
  - type: tabulated nk
    data: |
        0.360 2.756 1.327
        0.362 2.699 1.288
        0.363 2.643 1.254
        0.365 2.588 1.225
        0.366 2.535 1.201
        0.368 2.483 1.181
        0.370 2.432 1.165
        0.371 2.383 1.153
        0.373 2.336 1.144
        0.374 2.291 1.138
        0.376 2.247 1.135
        0.378 2.204 1.134
        0.379 2.163 1.135
        0.381 2.124 1.139
        0.382 2.087 1.144
        0.384 2.051 1.152
        0.386 2.016 1.161
        0.387 1.983 1.171
        0.389 1.952 1.183
        0.390 1.922 1.197
        0.392 1.894 1.211
        0.394 1.867 1.227
        0.395 1.841 1.244
        0.397 1.817 1.262
        0.398 1.794 1.280
        0.400 1.773 1.300
        0.402 1.753 1.320
        0.403 1.735 1.341
        0.405 1.718 1.363
        0.406 1.702 1.385
        0.408 1.687 1.407
        0.410 1.674 1.430
        0.411 1.662 1.453
        0.413 1.651 1.477
        0.414 1.642 1.501
        0.416 1.633 1.525
        0.418 1.626 1.549
        0.419 1.619 1.574
        0.421 1.614 1.598
        0.422 1.610 1.623
        0.424 1.607 1.647
        0.426 1.604 1.672
        0.427 1.603 1.697
        0.429 1.603 1.721
        0.430 1.603 1.746
        0.432 1.605 1.770
        0.434 1.607 1.795
        0.435 1.610 1.819
        0.437 1.614 1.844
        0.438 1.619 1.868
        0.440 1.625 1.892
        0.442 1.631 1.916
        0.443 1.638 1.940
        0.445 1.646 1.964
        0.446 1.655 1.987
        0.448 1.664 2.010
        0.450 1.675 2.034
        0.451 1.686 2.057
        0.453 1.697 2.079
        0.454 1.710 2.102
        0.456 1.723 2.124
        0.458 1.737 2.146
        0.459 1.751 2.168
        0.461 1.767 2.190
        0.462 1.783 2.211
        0.464 1.800 2.232
        0.466 1.817 2.252
        0.467 1.836 2.272
        0.469 1.855 2.292
        0.470 1.874 2.311
        0.472 1.895 2.330
        0.474 1.916 2.349
        0.475 1.938 2.367
        0.477 1.961 2.384
        0.478 1.984 2.401
        0.480 2.008 2.417
        0.482 2.033 2.432
        0.483 2.059 2.447
        0.485 2.085 2.461
        0.486 2.112 2.474
        0.488 2.139 2.487
        0.490 2.167 2.498
        0.491 2.195 2.509
        0.493 2.224 2.518
        0.494 2.254 2.527
        0.496 2.283 2.534
        0.498 2.313 2.540
        0.499 2.344 2.546
        0.501 2.374 2.550
        0.502 2.405 2.553
        0.504 2.436 2.554
        0.506 2.466 2.555
        0.507 2.497 2.554
        0.509 2.527 2.552
        0.510 2.557 2.549
        0.512 2.586 2.545
        0.514 2.615 2.539
        0.515 2.644 2.533
        0.517 2.672 2.526
        0.518 2.699 2.517
        0.520 2.725 2.508
        0.522 2.751 2.498
        0.523 2.775 2.487
        0.525 2.799 2.476
        0.526 2.822 2.464
        0.528 2.844 2.452
        0.530 2.865 2.439
        0.531 2.885 2.426
        0.532 2.895 2.419
        0.533 2.904 2.413
        0.534 2.922 2.399
        0.536 2.939 2.386
        0.538 2.956 2.373
        0.539 2.972 2.360
        0.541 2.987 2.347
        0.542 3.001 2.334
        0.544 3.015 2.321
        0.546 3.028 2.308
        0.547 3.040 2.296
        0.549 3.052 2.284
        0.550 3.064 2.273
        0.552 3.075 2.261
        0.554 3.086 2.250
        0.555 3.097 2.239
        0.557 3.108 2.229
        0.558 3.118 2.219
        0.560 3.128 2.209
        0.562 3.138 2.199
        0.563 3.148 2.189
        0.565 3.158 2.180
        0.566 3.167 2.171
        0.568 3.177 2.162
        0.570 3.187 2.153
        0.571 3.196 2.144
        0.573 3.206 2.135
        0.574 3.215 2.127
        0.576 3.224 2.118
        0.578 3.234 2.109
        0.579 3.244 2.101
        0.581 3.253 2.092
        0.582 3.263 2.084
        0.584 3.272 2.075
        0.586 3.281 2.066
        0.587 3.290 2.058
        0.589 3.300 2.049
        0.590 3.309 2.040
        0.592 3.318 2.031
        0.594 3.327 2.022
        0.595 3.336 2.013
        0.597 3.345 2.003
        0.598 3.353 1.994
        0.600 3.362 1.984
        0.602 3.370 1.975
        0.603 3.379 1.965
        0.605 3.387 1.955
        0.606 3.395 1.945
        0.608 3.402 1.935
        0.610 3.410 1.925
        0.611 3.417 1.915
        0.613 3.424 1.904
        0.614 3.431 1.894
        0.616 3.437 1.883
        0.618 3.444 1.873
        0.619 3.450 1.862
        0.621 3.455 1.852
        0.622 3.461 1.841
        0.624 3.466 1.830
        0.626 3.471 1.819
        0.627 3.476 1.808
        0.629 3.480 1.798
        0.630 3.484 1.787
        0.632 3.487 1.776
        0.634 3.491 1.765
        0.635 3.493 1.754
        0.637 3.496 1.744
        0.638 3.498 1.733
        0.640 3.500 1.723
        0.642 3.501 1.712
        0.643 3.502 1.702
        0.645 3.503 1.692
        0.646 3.503 1.682
        0.648 3.503 1.672
        0.650 3.502 1.662
        0.651 3.501 1.653
        0.653 3.500 1.643
        0.654 3.498 1.634
        0.656 3.495 1.626
        0.658 3.493 1.617
        0.659 3.489 1.609
        0.661 3.486 1.601
        0.662 3.481 1.594
        0.664 3.476 1.587
        0.666 3.471 1.581
        0.667 3.466 1.574
        0.669 3.460 1.569
        0.670 3.452 1.564
        0.672 3.445 1.560
        0.674 3.437 1.556
        0.675 3.428 1.553
        0.677 3.419 1.551
        0.678 3.409 1.549
        0.680 3.399 1.549
        0.682 3.387 1.550
        0.683 3.376 1.552
        0.685 3.363 1.555
        0.686 3.351 1.559
        0.688 3.337 1.565
        0.690 3.322 1.573
        0.691 3.307 1.583
        0.693 3.291 1.595
        0.694 3.275 1.609
        0.696 3.259 1.625
        0.698 3.242 1.645
        0.699 3.224 1.668
        0.701 3.207 1.695
        0.702 3.190 1.725
        0.704 3.174 1.761
        0.706 3.158 1.801
        0.707 3.144 1.847
        0.709 3.133 1.899
        0.710 3.125 1.958
        0.712 3.121 2.024
        0.714 3.124 2.098
        0.715 3.136 2.179
        0.717 3.157 2.269
        0.718 3.191 2.365
        0.720 3.241 2.468
        0.722 3.311 2.574
        0.723 3.403 2.681
        0.725 3.521 2.782
        0.726 3.666 2.872
        0.728 3.839 2.943
        0.730 4.036 2.986
        0.731 4.250 2.992
        0.733 4.470 2.954
        0.734 4.681 2.871
        0.736 4.869 2.745
        0.738 5.024 2.584
        0.739 5.141 2.403
        0.741 5.219 2.215
        0.742 5.257 2.033
        0.744 5.265 1.864
        0.746 5.253 1.710
        0.747 5.225 1.574
        0.749 5.188 1.454
        0.750 5.144 1.351
        0.752 5.096 1.261
        0.754 5.047 1.183
        0.755 4.998 1.116
        0.757 4.950 1.057
        0.758 4.904 1.006
        0.760 4.860 0.961
        0.762 4.817 0.921
        0.763 4.777 0.886
        0.765 4.738 0.854
        0.766 4.702 0.826
        0.768 4.668 0.800
        0.770 4.635 0.777
        0.771 4.605 0.756
        0.773 4.576 0.736
        0.774 4.548 0.719
        0.776 4.521 0.702
        0.778 4.496 0.687
        0.779 4.473 0.673
        0.781 4.450 0.659
        0.782 4.428 0.647
        0.784 4.407 0.635
        0.786 4.388 0.623
        0.787 4.369 0.613
        0.789 4.350 0.603
        0.790 4.333 0.593
        0.792 4.316 0.584
        0.794 4.300 0.575
        0.795 4.284 0.567
        0.797 4.269 0.558
        0.798 4.255 0.551
        0.800 4.241 0.543
        0.802 4.227 0.536
        0.803 4.214 0.528
        0.805 4.201 0.522
        0.806 4.189 0.515
        0.808 4.177 0.508
        0.810 4.165 0.502
        0.811 4.154 0.496
        0.813 4.143 0.490
        0.814 4.132 0.484
        0.816 4.122 0.478
        0.818 4.112 0.473
        0.819 4.102 0.467
        0.821 4.092 0.462
        0.822 4.083 0.457
        0.824 4.073 0.451
        0.826 4.064 0.446
        0.827 4.056 0.441
        0.829 4.047 0.437
        0.830 4.039 0.432
        0.832 4.030 0.427
        0.834 4.022 0.423
        0.835 4.014 0.418
        0.837 4.006 0.414
        0.838 3.998 0.409
        0.840 3.991 0.405
        0.842 3.984 0.401
        0.843 3.976 0.397
        0.845 3.969 0.392
        0.846 3.962 0.388
        0.848 3.955 0.384
        0.850 3.949 0.380
        0.851 3.942 0.377
        0.853 3.935 0.373
        0.854 3.929 0.369
        0.856 3.922 0.365
        0.858 3.916 0.362
        0.859 3.910 0.358
        0.861 3.904 0.354
        0.862 3.898 0.351
        0.864 3.892 0.347
        0.866 3.886 0.344
        0.867 3.881 0.340
        0.869 3.875 0.337
        0.870 3.869 0.334
        0.872 3.864 0.330
        0.874 3.858 0.327
        0.875 3.853 0.324
        0.877 3.847 0.321
        0.878 3.842 0.318
        0.880 3.837 0.315
        0.882 3.832 0.312
        0.883 3.827 0.309
        0.885 3.822 0.306
        0.886 3.817 0.303
        0.888 3.812 0.300
        0.890 3.807 0.297
        0.891 3.802 0.294
        0.893 3.798 0.291
        0.894 3.793 0.288
        0.896 3.788 0.286
        0.898 3.784 0.283
        0.899 3.779 0.280
        0.901 3.775 0.278
        0.902 3.770 0.275
        0.904 3.766 0.272
        0.906 3.761 0.270
        0.907 3.757 0.267
        0.909 3.753 0.265
        0.910 3.748 0.262
        0.912 3.744 0.260
        0.914 3.740 0.257
        0.915 3.736 0.255
        0.917 3.732 0.253
        0.918 3.728 0.250
        0.920 3.724 0.248
        0.922 3.720 0.246
        0.923 3.716 0.243
        0.925 3.712 0.241
        0.926 3.708 0.239
        0.928 3.704 0.237
        0.930 3.700 0.234
        0.931 3.697 0.232
        0.933 3.693 0.230
        0.934 3.689 0.228
        0.936 3.685 0.226
        0.938 3.682 0.224
        0.939 3.678 0.222
        0.941 3.675 0.220
        0.942 3.671 0.217
        0.944 3.667 0.215
        0.946 3.664 0.213
        0.947 3.660 0.212
        0.949 3.657 0.210
        0.950 3.654 0.208
        0.952 3.650 0.206
        0.954 3.647 0.204
        0.955 3.644 0.202
        0.957 3.640 0.200
        0.958 3.637 0.198
        0.960 3.634 0.196
        0.962 3.630 0.195
        0.963 3.627 0.193
        0.965 3.624 0.191
        0.966 3.621 0.189
        0.968 3.618 0.188
        0.970 3.614 0.186
        0.971 3.611 0.184
        0.973 3.608 0.182
        0.974 3.605 0.181
        0.976 3.602 0.179
        0.978 3.599 0.178
        0.979 3.596 0.176
        0.981 3.593 0.174
        0.982 3.590 0.173
        0.984 3.587 0.171
        0.986 3.584 0.170
        0.987 3.581 0.168
        0.989 3.579 0.166
        0.990 3.576 0.165
        0.992 3.573 0.163
        0.994 3.570 0.162
        0.995 3.567 0.160
        0.997 3.564 0.159
        0.998 3.562 0.158
        1.000 3.559 0.156