Wavelength(nm) n k 206.64 1.422 1.306 208.38 1.427 1.31925 210.14 1.43 1.334 211.94 1.431 1.34925 213.77 1.432 1.364 215.63 1.435 1.376 217.52 1.438 1.388 219.44 1.44 1.403 221.4 1.442 1.418 223.4 1.447 1.42963 225.43 1.452 1.442 227.5 1.453 1.4595 229.6 1.454 1.478 231.75 1.458 1.49375 233.93 1.462 1.51 236.16 1.466 1.5295 238.43 1.47 1.55 240.75 1.474 1.56963 243.11 1.478 1.59 245.52 1.481 1.61163 247.97 1.484 1.636 250.48 1.487 1.66675 253.03 1.49 1.698 255.64 1.495 1.72463 258.3 1.504 1.748 261.02 1.523 1.76675 263.8 1.546 1.784 266.63 1.572 1.80338 269.53 1.598 1.822 272.49 1.624 1.8375 275.52 1.648 1.852 278.62 1.669 1.86775 281.78 1.69 1.882 285.02 1.717 1.89175 288.34 1.742 1.9 291.73 1.76 1.91 295.2 1.776 1.918 298.76 1.795 1.92038 302.4 1.812 1.92 306.14 1.823 1.91888 309.96 1.83 1.916 313.89 1.837 1.91138 317.91 1.84 1.904 322.04 1.834 1.89138 326.28 1.824 1.878 330.63 1.812 1.86825 335.1 1.798 1.86 339.69 1.782 1.85175 344.4 1.766 1.846 349.25 1.753 1.84525 354.24 1.74 1.848 359.38 1.728 1.85238 364.66 1.716 1.862 370.11 1.706 1.883 375.71 1.696 1.906 381.49 1.685 1.9225 387.45 1.674 1.936 393.6 1.666 1.94775 399.95 1.658 1.956 406.51 1.647 1.95938 413.28 1.636 1.958 420.29 1.628 1.95138 427.54 1.616 1.94 435.04 1.596 1.9245 442.8 1.562 1.904 450.86 1.502 1.87588 459.2 1.426 1.846 467.87 1.346 1.81463 476.87 1.242 1.796 486.22 1.087 1.79738 495.94 0.916 1.84 506.06 0.755 1.9565 516.6 0.608 2.12 527.6 0.492 2.32625 539.07 0.402 2.54 551.05 0.346 2.73063 563.57 0.306 2.88 576.68 0.268 2.94063 590.41 0.236 2.97 604.81 0.212 3.015 619.93 0.194 3.06 635.82 0.178 3.07 652.55 0.166 3.15 670.19 0.161 3.44581 688.81 0.16 3.8 708.49 0.161 4.08769 729.32 0.164 4.357 751.43 0.17 4.61019 774.91 0.176 4.86 799.9 0.181 5.12581 826.57 0.188 5.39 855.07 0.198 5.63125 885.61 0.21 5.88 918.41 0.222 6.16813 953.73 0.236 6.47 991.88 0.253 6.75313 1033.21 0.272 7.07 1078.13 0.291 7.485 1127.14 0.312 7.93 1180.81 0.339 8.40375 1239.85 0.372 8.77 1305.11 0.41 8.7575 1377.61 0.454 8.77 1458.65 0.503 9.20313 1549.81 0.559 9.81 1653.14 0.622 10.4575 1771.22 0.696 11.2 1907.46 0.785 12.03063 2066.42 0.896 13 2254.28 1.034 14.14438 2479.7 1.205 15.5