#SUBSTANCE=Etna ash #DESCRIPTION = Very coarse ash from the 16th March 2017 eruption collected by Herbin Hervé (Université de Lille). #REFERENCE = A. Deguine, D. Petitprez, L. Clarisse, S. Gudmundsson, V. Outes, G. Villarosa, and H. Herbin, "Complex refractive index of volcanic ash aerosol in the infrared, visible, and ultraviolet," Appl. Opt. 59, 884-895 (2020). #DOI =10.6084/m9.figshare.9873128.v1 #FORMAT = Wavn n k 690 1.796 0.2951 695 1.789 0.2918 700 1.785 0.2821 705 1.787 0.2769 710 1.787 0.2745 715 1.785 0.2713 720 1.785 0.2647 725 1.786 0.2617 730 1.789 0.2556 735 1.79 0.2552 740 1.792 0.2488 745 1.796 0.246 750 1.8 0.2449 755 1.803 0.2437 760 1.805 0.2438 765 1.806 0.2415 770 1.807 0.2398 775 1.808 0.2359 780 1.81 0.2329 785 1.811 0.227 790 1.816 0.2182 795 1.822 0.2126 800 1.829 0.2038 805 1.841 0.1961 810 1.855 0.1901 815 1.873 0.1836 820 1.893 0.1831 825 1.914 0.1851 830 1.936 0.1905 835 1.958 0.202 840 1.979 0.214 845 2 0.2337 850 2.016 0.2539 855 2.03 0.2783 860 2.039 0.3023 865 2.048 0.3253 870 2.054 0.3538 875 2.056 0.3786 880 2.058 0.4041 885 2.057 0.4312 890 2.055 0.4577 895 2.05 0.4876 900 2.04 0.5144 905 2.028 0.5413 910 2.014 0.5662 915 1.997 0.588 920 1.98 0.6093 925 1.961 0.6274 930 1.943 0.6434 935 1.924 0.6605 940 1.905 0.6725 945 1.887 0.6866 950 1.868 0.7 955 1.85 0.7121 960 1.831 0.7274 965 1.81 0.741 970 1.787 0.7556 975 1.761 0.7675 980 1.733 0.7779 985 1.705 0.7856 990 1.676 0.7915 995 1.645 0.7947 1000 1.616 0.7951 1005 1.586 0.7948 1010 1.554 0.7908 1015 1.525 0.7829 1020 1.498 0.7745 1025 1.471 0.7637 1030 1.446 0.7511 1035 1.422 0.7374 1040 1.4 0.7225 1045 1.381 0.7064 1050 1.363 0.6903 1055 1.347 0.6736 1060 1.333 0.6579 1065 1.32 0.6426 1070 1.308 0.6282 1075 1.297 0.6147 1080 1.285 0.6022 1085 1.272 0.5899 1090 1.26 0.5766 1095 1.247 0.5628 1100 1.234 0.5484 1105 1.222 0.5337 1110 1.209 0.517 1115 1.198 0.4991 1120 1.188 0.4814 1125 1.179 0.4631 1130 1.171 0.4446 1135 1.164 0.426 1140 1.158 0.4074 1145 1.152 0.3895 1150 1.147 0.3711 1155 1.142 0.3522 1160 1.137 0.3328 1165 1.133 0.3123 1170 1.13 0.2908 1175 1.129 0.2686 1180 1.13 0.246 1185 1.132 0.2238 1190 1.137 0.2018 1195 1.143 0.1805 1200 1.152 0.1603 1205 1.162 0.1416 1210 1.172 0.1245 1215 1.184 0.1092 1220 1.195 0.09546 1225 1.207 0.08239 1230 1.22 0.07055 1235 1.232 0.06016 1240 1.245 0.05099 1245 1.257 0.04269 1250 1.27 0.03554 1255 1.282 0.02967 1270 1.316 0.01736 1285 1.345 0.01209 1300 1.369 0.00933 1315 1.388 0.00771 1330 1.405 0.00608 1345 1.42 0.0054 1360 1.434 0.00485 1375 1.446 0.00495 1390 1.458 0.00546 1405 1.467 0.00737 1420 1.475 0.00869 1435 1.482 0.0092 1450 1.489 0.01004 1465 1.495 0.01115 1480 1.5 0.01118 1495 1.506 0.01164 1510 1.51 0.01251 1525 1.514 0.01314 1540 1.518 0.01347 1555 1.521 0.01348 1570 1.525 0.01341 1585 1.528 0.01324 1600 1.531 0.0131 1615 1.534 0.01289 1630 1.537 0.01286 1645 1.539 0.01284 1660 1.542 0.01275 1675 1.544 0.01264 1690 1.546 0.01248 1705 1.549 0.01236 1720 1.551 0.01221 1735 1.553 0.01202 1750 1.554 0.01186 1765 1.556 0.01167 1780 1.558 0.01143 1795 1.56 0.01115 1810 1.561 0.01088 1825 1.563 0.01067 1840 1.564 0.01058 1880 1.568 0.01 1920 1.572 0.00918 1960 1.575 0.00848 2000 1.579 0.008 2040 1.582 0.00759 2080 1.585 0.00753 2120 1.587 0.00829 2160 1.589 0.00837 2200 1.591 0.0083 2240 1.593 0.00821 2280 1.594 0.00806 2320 1.595 0.00788 2360 1.597 0.00767 2400 1.598 0.00741 2440 1.599 0.00712 2480 1.6 0.00682 2520 1.601 0.00645 2560 1.601 0.00612 2600 1.602 0.00535 2640 1.603 0.00423 2680 1.604 0.00341 2720 1.605 0.00256 2760 1.606 0.00164 2800 1.607 0.000848 2840 1.609 0.000001661 2880 1.61 0 2920 1.612 1.917E-08 2960 1.613 7.655E-08 3000 1.614 0.000000172 10000 1.639 0.0004329 10500 1.639 0.0004818 11000 1.639 0.000531 11500 1.639 0.0005994 12000 1.639 0.0006538 12500 1.639 0.0006916 13000 1.639 0.0007136 13500 1.639 0.0007218 14000 1.639 0.0007192 14500 1.639 0.0007091 15000 1.639 0.0006928 15500 1.639 0.0006754 16000 1.639 0.0006575 16500 1.639 0.00064 17000 1.639 0.000624 17500 1.639 0.0006094 18000 1.639 0.0005964 18500 1.639 0.0005842 19000 1.639 0.0005735 19500 1.639 0.0005637 20000 1.639 0.0005544 20500 1.64 0.0005458 21000 1.64 0.0005377 21500 1.64 0.0005304 22000 1.64 0.0005234 22500 1.64 0.0005155 23000 1.64 0.0005084 23500 1.64 0.000501 24000 1.64 0.0004934 24500 1.64 0.0004854 25000 1.64 0.0004776 25500 1.64 0.00047 26000 1.64 0.0004623 26500 1.64 0.0004539 27000 1.64 0.0004458 27500 1.64 0.000438 28000 1.64 0.0004317 28500 1.64 0.0004271 29000 1.64 0.0004242 29500 1.64 0.0004207 30000 1.639 0.0004176 30500 1.639 0.0004163 31000 1.639 0.0004161 31500 1.639 0.0004155 32000 1.639 0.0004163 32500 1.638 0.0004144