Wavelength(nm) n k 206.63 1.264 2.472 210.14 1.288 2.557 213.76 1.311 2.625 217.51 1.325 2.71 221.39 1.349 2.815 225.42 1.383 2.936 229.59 1.43 3.079 233.92 1.499 3.255 238.42 1.599 3.484 243.1 1.802 3.795 247.96 2.273 4.084 253.02 2.89 4.047 258.29 3.342 3.77 263.79 3.598 3.452 269.52 3.769 3.169 275.51 3.913 2.919 281.77 4.015 2.563 288.33 3.939 2.26 295.19 3.81 2.069 302.39 3.692 1.969 309.95 3.601 1.92 317.9 3.538 1.904 326.26 3.501 1.909 335.08 3.485 1.931 344.39 3.495 1.965 354.23 3.531 2.013 364.65 3.596 2.076 375.7 3.709 2.162 387.44 3.938 2.288 399.94 4.373 2.146 413.27 4.509 1.948 427.52 5.052 1.721 442.79 4.959 0.991 459.19 4.694 0.696 476.85 4.492 0.539 495.92 4.333 0.441 516.58 4.205 0.371 539.04 4.1 0.32 563.55 4.013 0.276 590.38 3.94 0.24 619.9 3.878 0.211 652.53 3.826 0.179 688.78 3.785 0.151 729.29 3.742 0.112 774.87 3.7 0.091 826.53 3.666 0.08 885.57 3.614 0.0017 953.69 3.5388 0 1033.17 3.492 0 1127.09 3.4546 0 1239.8 3.4232 0 1377.56 3.3965 0 1549.75 3.3737 0 1771.14 3.3543 0 2066.33 3.3378 0