Wavelength(nm) n k 180 1.2077 2.0652 190 1.3168 2.2601 200 1.48 2.45 210 1.7209 2.5983 220 2.017 2.6678 230 2.3215 2.6042 240 2.5416 2.4008 250 2.5726 2.1542 260 2.4805 2.0883 270 2.4145 2.053 280 2.3723 2.0437 290 2.351 2.0557 300 2.3484 2.0844 310 2.3616 2.1253 320 2.3883 2.1735 330 2.4258 2.2246 340 2.4716 2.2738 350 2.523 2.3137 360 2.5761 2.3237 370 2.6303 2.3239 380 2.6834 2.3156 390 2.7334 2.3 400 2.7764 2.2782 410 2.8055 2.2507 420 2.8273 2.2193 430 2.8417 2.1851 440 2.8489 2.1495 450 2.8483 2.1147 460 2.8393 2.0845 470 2.8232 2.0549 480 2.8005 2.0259 490 2.7714 1.9973 500 2.7376 1.9676 510 2.7008 1.9347 520 2.6574 1.9037 530 2.6069 1.8759 540 2.5487 1.8524 550 2.4779 1.8349 560 2.3912 1.8247 570 2.2982 1.8226 580 2.2014 1.8295 590 2.1026 1.8463 600 2.0068 1.8778 610 1.9171 1.9263 620 1.8301 1.9853 630 1.7465 2.0537 640 1.6667 2.1304 650 1.5919 2.2157 660 1.5227 2.3087 670 1.4591 2.4058 680 1.4015 2.5051 690 1.3501 2.6053 700 1.3088 2.7003 710 1.2777 2.7886 720 1.252 2.8752 730 1.2306 2.9601 740 1.2127 3.0436 750 1.1947 3.1264 760 1.1762 3.2085 770 1.1593 3.2897 780 1.1438 3.3696 790 1.1297 3.4484 800 1.117 3.5259 810 1.1057 3.6022 820 1.0954 3.6773 830 1.086 3.7515 840 1.0772 3.8247 850 1.0685 3.8969 860 1.06 3.9681 870 1.052 4.0387 880 1.0443 4.1087 890 1.0371 4.1784 900 1.0302 4.2477 910 1.0236 4.3192 920 1.0172 4.3929 930 1.0111 4.4682 940 1.0053 4.5441 950 1 4.62 960 0.9964 4.6872 970 0.9934 4.7525 980 0.9909 4.8164 990 0.9886 4.879 1000 0.9866 4.9405 1010 0.9847 5.0014 1020 0.9828 5.0618 1030 0.9807 5.1219 1040 0.9768 5.185 1050 0.972 5.2495 1060 0.9669 5.3142 1070 0.9616 5.379 1080 0.9562 5.444 1090 0.9506 5.5091 1100 0.945 5.5742 1110 0.9394 5.6393 1120 0.9338 5.7045 1130 0.9288 5.7688 1140 0.925 5.8314 1150 0.9213 5.8939 1160 0.9178 5.9565 1170 0.9143 6.0192 1180 0.9109 6.0821 1190 0.9075 6.1454 1200 0.9042 6.2091 1210 0.9007 6.2733 1220 0.8973 6.3381 1230 0.8937 6.4037 1240 0.89 6.47 1250 0.886 6.5382 1260 0.882 6.6062 1270 0.8781 6.6731 1280 0.8742 6.7387 1290 0.8705 6.8036 1300 0.8668 6.868 1310 0.8632 6.9322 1320 0.8596 6.9965 1330 0.8554 7.0622 1340 0.8514 7.128 1350 0.8477 7.194 1360 0.8444 7.2603 1370 0.8417 7.3267 1380 0.84 7.3934 1390 0.8403 7.4605 1400 0.8413 7.5278 1410 0.8429 7.5951 1420 0.8448 7.6623 1430 0.8471 7.7295 1440 0.8495 7.7966 1450 0.8509 7.8631 1460 0.852 7.9293 1470 0.8532 7.9953 1480 0.8545 8.061 1490 0.856 8.1266 1500 0.8577 8.1919 1510 0.8596 8.257 1520 0.8625 8.3216 1530 0.8659 8.386 1540 0.8696 8.4502 1550 0.8734 8.5142 1560 0.8774 8.5782 1570 0.8816 8.6421 1580 0.8858 8.7061 1590 0.89 8.77 1600 0.8935 8.8348 1610 0.897 8.8997 1620 0.9005 8.9646 1630 0.904 9.0295 1640 0.9075 9.0943 1650 0.911 9.159 1660 0.9146 9.2235 1670 0.9182 9.2879 1680 0.922 9.3516 1690 0.9261 9.4146 1700 0.9302 9.4774 1710 0.9343 9.5401 1720 0.9385 9.6026 1730 0.9428 9.6649 1740 0.947 9.7272 1750 0.9512 9.7894 1760 0.9554 9.8516 1770 0.9596 9.9138 1780 0.9633 9.9761 1790 0.967 10.0386 1800 0.9706 10.1011 1810 0.9742 10.1637 1820 0.9778 10.2264 1830 0.9814 10.2892 1840 0.9851 10.3523 1850 0.9888 10.4155 1860 0.9926 10.4789 1870 0.9965 10.5425 1880 1.0004 10.6066 1890 1.0048 10.6728 1900 1.0092 10.7393 1910 1.0138 10.8059 1920 1.0185 10.8726 1930 1.0232 10.9393 1940 1.0281 11.0059 1950 1.0332 11.0724 1960 1.0383 11.1386 1970 1.0435 11.2046 1980 1.0489 11.2702 1990 1.0544 11.3354 2000 1.06 11.4 2010 1.066 11.4609 2020 1.0722 11.5211 2030 1.0784 11.5808 2040 1.0847 11.64 2050 1.0912 11.6986 2060 1.0977 11.7569 2070 1.1042 11.8147 2080 1.1109 11.8721 2090 1.1176 11.9292 2100 1.1243 11.986 2110 1.131 12.0426 2120 1.1378 12.0989 2130 1.1446 12.1551 2140 1.1513 12.2113 2150 1.1576 12.2674 2160 1.164 12.3236 2170 1.1703 12.3797 2180 1.1767 12.4359 2190 1.183 12.4921 2200 1.1893 12.5484 2210 1.1956 12.6048 2220 1.202 12.6613 2230 1.2083 12.7181 2240 1.2146 12.7751 2250 1.2209 12.8323 2260 1.2272 12.8899 2270 1.2335 12.9478 2280 1.2399 13.006 2290 1.2462 13.0646 2300 1.2525 13.1237 2310 1.2589 13.1832 2320 1.2653 13.2432 2330 1.2716 13.3038 2340 1.278 13.365 2350 1.2844 13.4267 2360 1.2909 13.4891 2370 1.2973 13.5521 2380 1.3038 13.6159 2390 1.3103 13.6804 2400 1.3168 13.7457 2410 1.3233 13.8118 2420 1.3299 13.8787 2430 1.3365 13.9465 2440 1.3431 14.0152 2450 1.3498 14.0849 2460 1.3565 14.1556 2470 1.3632 14.2273 2480 1.37 14.3