# 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: |
    G. Ermolaev, A. P. Pushkarev, A. Zhizhchenko, A. A. Kuchmizhak, I. Iorsh, I. Kruglov, A. Mazitov, A. Ishteev, K. Konstantinova, D. Saranin, A. Slavich, D. Stosic, E. S. Zhukova, G. Tselikov, A. D. Carlo, A. Arsenin, K. S. Novoselov, S. V. Makarov, V. S. Volkov.
    Giant and tunable excitonic optical anisotropy in single-crystal halide perovskites.
    <a href="https://doi.org/10.1021/acs.nanolett.2c04792"><i>Nano Lett.</i> <b>23</b>, 2570–2577 (2023)</a>
    (Numerical data kindly provided by Georgy Ermolaev)
COMMENTS: |
    CsPbBr<sub>3</sub> monocrystal. Ordinary ray (o).
CONDITIONS:
    direction: o
DATA:
  - type: tabulated nk
    data: |
        0.500 2.29280 0.16069
        0.501 2.28770 0.16947
        0.502 2.28282 0.17919
        0.503 2.27827 0.18998
        0.504 2.27417 0.20199
        0.505 2.27071 0.21539
        0.506 2.26811 0.23034
        0.507 2.26672 0.24702
        0.508 2.26696 0.26561
        0.509 2.26942 0.28622
        0.510 2.27484 0.30888
        0.511 2.28417 0.33341
        0.512 2.29855 0.35935
        0.513 2.31925 0.38574
        0.514 2.34747 0.41095
        0.515 2.38401 0.43251
        0.516 2.42873 0.44720
        0.517 2.47991 0.45142
        0.518 2.53393 0.44222
        0.519 2.58560 0.41847
        0.520 2.62947 0.38172
        0.521 2.66147 0.33605
        0.522 2.68011 0.28668
        0.523 2.68637 0.23836
        0.524 2.68277 0.19433
        0.525 2.67224 0.15620
        0.526 2.65742 0.12431
        0.527 2.64034 0.09823
        0.528 2.62239 0.07721
        0.529 2.60449 0.06042
        0.530 2.58716 0.04707
        0.531 2.57070 0.03650
        0.532 2.55524 0.02813
        0.533 2.54082 0.02151
        0.534 2.52742 0.01630
        0.535 2.51499 0.01219
        0.536 2.50346 0.00898
        0.537 2.49277 0.00647
        0.538 2.48285 0.00454
        0.539 2.47362 0.00306
        0.540 2.46503 0.00196
        0.541 2.45703 0.00116
        0.542 2.44956 6.03E-4
        0.543 2.44258 2.49E-4
        0.544 2.43606 5.70E-5
        0.545 2.42998 0
        0.546 2.42433 0
        0.547 2.41903 0
        0.548 2.41402 0
        0.549 2.40925 0
        0.550 2.40471 0
        0.551 2.40037 0
        0.552 2.39621 0
        0.553 2.39222 0
        0.554 2.38837 0
        0.555 2.38467 0
        0.556 2.38109 0
        0.557 2.37763 0
        0.558 2.37428 0
        0.559 2.37103 0
        0.560 2.36787 0
        0.561 2.36481 0
        0.562 2.36183 0
        0.563 2.35893 0
        0.564 2.35611 0
        0.565 2.35336 0
        0.566 2.35067 0
        0.567 2.34805 0
        0.568 2.34549 0
        0.569 2.34299 0
        0.570 2.34055 0
        0.571 2.33815 0
        0.572 2.33581 0
        0.573 2.33351 0
        0.574 2.33126 0
        0.575 2.32906 0
        0.576 2.32689 0
        0.577 2.32477 0
        0.578 2.32269 0
        0.579 2.32064 0
        0.580 2.31864 0
        0.581 2.31666 0
        0.582 2.31472 0
        0.583 2.31282 0
        0.584 2.31094 0
        0.585 2.30910 0
        0.586 2.30729 0
        0.587 2.30550 0
        0.588 2.30374 0
        0.589 2.30201 0
        0.590 2.30031 0
        0.591 2.29863 0
        0.592 2.29698 0
        0.593 2.29535 0
        0.594 2.29374 0
        0.595 2.29216 0
        0.596 2.29060 0
        0.597 2.28906 0
        0.598 2.28754 0
        0.599 2.28604 0
        0.600 2.28456 0
        0.601 2.28310 0
        0.602 2.28167 0
        0.603 2.28024 0
        0.604 2.27884 0
        0.605 2.27746 0
        0.606 2.27609 0
        0.607 2.27474 0
        0.608 2.27341 0
        0.609 2.27209 0
        0.610 2.27079 0
        0.611 2.26950 0
        0.612 2.26823 0
        0.613 2.26697 0
        0.614 2.26573 0
        0.615 2.26450 0
        0.616 2.26329 0
        0.617 2.26209 0
        0.618 2.26090 0
        0.619 2.25973 0
        0.620 2.25857 0
        0.621 2.25742 0
        0.622 2.25629 0
        0.623 2.25516 0
        0.624 2.25405 0
        0.625 2.25295 0
        0.626 2.25186 0
        0.627 2.25079 0
        0.628 2.24972 0
        0.629 2.24867 0
        0.630 2.24763 0
        0.631 2.24659 0
        0.632 2.24557 0
        0.633 2.24456 0
        0.634 2.24355 0
        0.635 2.24256 0
        0.636 2.24158 0
        0.637 2.24061 0
        0.638 2.23964 0
        0.639 2.23869 0
        0.640 2.23774 0
        0.641 2.23681 0
        0.642 2.23588 0
        0.643 2.23496 0
        0.644 2.23405 0
        0.645 2.23315 0
        0.646 2.23225 0
        0.647 2.23137 0
        0.648 2.23049 0
        0.649 2.22962 0
        0.650 2.22876 0
        0.651 2.22791 0
        0.652 2.22706 0
        0.653 2.22622 0
        0.654 2.22539 0
        0.655 2.22457 0
        0.656 2.22375 0
        0.657 2.22294 0
        0.658 2.22214 0
        0.659 2.22134 0
        0.660 2.22055 0
        0.661 2.21977 0
        0.662 2.21899 0
        0.663 2.21822 0
        0.664 2.21746 0
        0.665 2.21670 0
        0.666 2.21595 0
        0.667 2.21521 0
        0.668 2.21447 0
        0.669 2.21374 0
        0.670 2.21301 0
        0.671 2.21229 0
        0.672 2.21158 0
        0.673 2.21087 0
        0.674 2.21017 0
        0.675 2.20947 0
        0.676 2.20878 0
        0.677 2.20809 0
        0.678 2.20741 0
        0.679 2.20673 0
        0.680 2.20606 0
        0.681 2.20540 0
        0.682 2.20474 0
        0.683 2.20408 0
        0.684 2.20343 0
        0.685 2.20279 0
        0.686 2.20215 0
        0.687 2.20151 0
        0.688 2.20088 0
        0.689 2.20026 0
        0.690 2.19963 0
        0.691 2.19902 0
        0.692 2.19841 0
        0.693 2.19780 0
        0.694 2.19720 0
        0.695 2.19660 0
        0.696 2.19600 0
        0.697 2.19541 0
        0.698 2.19483 0
        0.699 2.19425 0
        0.700 2.19367 0
        0.701 2.19310 0
        0.702 2.19253 0
        0.703 2.19196 0
        0.704 2.19140 0
        0.705 2.19084 0
        0.706 2.19029 0
        0.707 2.18974 0
        0.708 2.18919 0
        0.709 2.18865 0
        0.710 2.18811 0
        0.711 2.18758 0
        0.712 2.18705 0
        0.713 2.18652 0
        0.714 2.18600 0
        0.715 2.18548 0
        0.716 2.18496 0
        0.717 2.18445 0
        0.718 2.18394 0
        0.719 2.18343 0
        0.720 2.18293 0
        0.721 2.18243 0
        0.722 2.18194 0
        0.723 2.18145 0
        0.724 2.18096 0
        0.725 2.18047 0
        0.726 2.17999 0
        0.727 2.17951 0
        0.728 2.17903 0
        0.729 2.17856 0
        0.730 2.17809 0
        0.731 2.17762 0
        0.732 2.17715 0
        0.733 2.17669 0
        0.734 2.17623 0
        0.735 2.17578 0
        0.736 2.17533 0
        0.737 2.17488 0
        0.738 2.17443 0
        0.739 2.17399 0
        0.740 2.17354 0
        0.741 2.17311 0
        0.742 2.17267 0
        0.743 2.17224 0
        0.744 2.17181 0
        0.745 2.17138 0
        0.746 2.17095 0
        0.747 2.17053 0
        0.748 2.17011 0
        0.749 2.16969 0
        0.750 2.16928 0
        0.751 2.16886 0
        0.752 2.16845 0
        0.753 2.16805 0
        0.754 2.16764 0
        0.755 2.16724 0
        0.756 2.16684 0
        0.757 2.16644 0
        0.758 2.16605 0
        0.759 2.16565 0
        0.760 2.16526 0
        0.761 2.16487 0
        0.762 2.16449 0
        0.763 2.16410 0
        0.764 2.16372 0
        0.765 2.16334 0
        0.766 2.16297 0
        0.767 2.16259 0
        0.768 2.16222 0
        0.769 2.16185 0
        0.770 2.16148 0
        0.771 2.16111 0
        0.772 2.16075 0
        0.773 2.16039 0
        0.774 2.16003 0
        0.775 2.15967 0
        0.776 2.15931 0
        0.777 2.15896 0
        0.778 2.15861 0
        0.779 2.15826 0
        0.780 2.15791 0
        0.781 2.15756 0
        0.782 2.15722 0
        0.783 2.15688 0
        0.784 2.15654 0
        0.785 2.15620 0
        0.786 2.15586 0
        0.787 2.15553 0
        0.788 2.15519 0
        0.789 2.15486 0
        0.790 2.15453 0
        0.791 2.15421 0
        0.792 2.15388 0
        0.793 2.15355 0
        0.794 2.15323 0
        0.795 2.15291 0
        0.796 2.15259 0
        0.797 2.15228 0
        0.798 2.15196 0
        0.799 2.15165 0
        0.800 2.15134 0
        0.801 2.15103 0
        0.802 2.15072 0
        0.803 2.15041 0
        0.804 2.15010 0
        0.805 2.14980 0
        0.806 2.14950 0
        0.807 2.14920 0
        0.808 2.14890 0
        0.809 2.14860 0
        0.810 2.14831 0
        0.811 2.14801 0
        0.812 2.14772 0
        0.813 2.14743 0
        0.814 2.14714 0
        0.815 2.14685 0
        0.816 2.14656 0
        0.817 2.14628 0
        0.818 2.14600 0
        0.819 2.14571 0
        0.820 2.14543 0
        0.821 2.14515 0
        0.822 2.14487 0
        0.823 2.14460 0
        0.824 2.14432 0
        0.825 2.14405 0
        0.826 2.14378 0
        0.827 2.14351 0
        0.828 2.14323 0
        0.829 2.14297 0
        0.830 2.14270 0
        0.831 2.14243 0
        0.832 2.14217 0
        0.833 2.14191 0
        0.834 2.14164 0
        0.835 2.14138 0
        0.836 2.14113 0
        0.837 2.14087 0
        0.838 2.14061 0
        0.839 2.14036 0
        0.840 2.14010 0
        0.841 2.13985 0
        0.842 2.13960 0
        0.843 2.13935 0
        0.844 2.13910 0
        0.845 2.13885 0
        0.846 2.13860 0
        0.847 2.13835 0
        0.848 2.13811 0
        0.849 2.13787 0
        0.850 2.13763 0
        0.851 2.13739 0
        0.852 2.13714 0
        0.853 2.13691 0
        0.854 2.13667 0
        0.855 2.13643 0
        0.856 2.13620 0
        0.857 2.13596 0
        0.858 2.13573 0
        0.859 2.13550 0
        0.860 2.13527 0
        0.861 2.13504 0
        0.862 2.13481 0
        0.863 2.13458 0
        0.864 2.13435 0
        0.865 2.13413 0
        0.866 2.13390 0
        0.867 2.13368 0
        0.868 2.13346 0
        0.869 2.13324 0
        0.870 2.13301 0
        0.871 2.13280 0
        0.872 2.13258 0
        0.873 2.13236 0
        0.874 2.13214 0
        0.875 2.13193 0
        0.876 2.13171 0
        0.877 2.13150 0
        0.878 2.13129 0
        0.879 2.13108 0
        0.880 2.13087 0
        0.881 2.13066 0
        0.882 2.13045 0
        0.883 2.13024 0
        0.884 2.13003 0
        0.885 2.12983 0
        0.886 2.12962 0
        0.887 2.12942 0
        0.888 2.12921 0
        0.889 2.12901 0
        0.890 2.12881 0
        0.891 2.12861 0
        0.892 2.12841 0
        0.893 2.12821 0
        0.894 2.12801 0
        0.895 2.12782 0
        0.896 2.12762 0
        0.897 2.12743 0
        0.898 2.12723 0
        0.899 2.12704 0
        0.900 2.12684 0
        0.901 2.12665 0
        0.902 2.12646 0
        0.903 2.12627 0
        0.904 2.12608 0
        0.905 2.12589 0
        0.906 2.12571 0
        0.907 2.12552 0
        0.908 2.12533 0
        0.909 2.12515 0
        0.910 2.12496 0
        0.911 2.12478 0
        0.912 2.12460 0
        0.913 2.12441 0
        0.914 2.12423 0
        0.915 2.12405 0
        0.916 2.12387 0
        0.917 2.12369 0
        0.918 2.12351 0
        0.919 2.12334 0
        0.920 2.12316 0
        0.921 2.12298 0
        0.922 2.12281 0
        0.923 2.12263 0
        0.924 2.12246 0
        0.925 2.12229 0
        0.926 2.12211 0
        0.927 2.12194 0
        0.928 2.12177 0
        0.929 2.12160 0
        0.930 2.12143 0
        0.931 2.12126 0
        0.932 2.12109 0
        0.933 2.12093 0
        0.934 2.12076 0
        0.935 2.12059 0
        0.936 2.12043 0
        0.937 2.12026 0
        0.938 2.12010 0
        0.939 2.11993 0
        0.940 2.11977 0
        0.941 2.11961 0
        0.942 2.11945 0
        0.943 2.11929 0
        0.944 2.11913 0
        0.945 2.11897 0
        0.946 2.11881 0
        0.947 2.11865 0
        0.948 2.11849 0
        0.949 2.11833 0