Wavelength(nm) n k 200 1.13 1.7 201.63 1.1608 1.7133 203.28 1.1837 1.7267 204.96 1.2 1.74 206.67 1.2108 1.7534 208.4 1.2171 1.7667 210.17 1.22 1.78 211.97 1.2203 1.7929 213.79 1.2197 1.8061 215.65 1.2202 1.8202 217.54 1.2235 1.8356 219.47 1.2297 1.8523 221.43 1.2406 1.8702 223.42 1.2572 1.8895 225.45 1.2776 1.9097 227.52 1.3001 1.9301 229.63 1.3234 1.9502 231.78 1.3472 1.9701 233.96 1.3697 1.9905 236.19 1.3903 2.0112 238.46 1.4098 2.0317 240.78 1.4314 2.0494 243.14 1.4551 2.0642 245.54 1.4792 2.0773 248 1.499 2.0902 250.51 1.5136 2.1042 253.06 1.5234 2.1205 255.67 1.5303 2.1411 258.33 1.5351 2.1665 261.05 1.5383 2.1966 263.83 1.54 2.2308 266.67 1.5407 2.2683 269.57 1.5407 2.3086 272.53 1.539 2.3512 275.56 1.5367 2.3954 278.65 1.5361 2.4393 281.82 1.542 2.4782 285.06 1.5553 2.5122 288.37 1.5755 2.5451 291.76 1.6007 2.5844 295.24 1.6299 2.6326 298.8 1.6599 2.686 302.44 1.6873 2.738 306.17 1.7113 2.7855 310 1.7375 2.8322 313.92 1.7729 2.8835 317.95 1.8227 2.9422 322.08 1.8895 3.0097 326.32 1.9746 3.0861 330.67 2.0788 3.1708 335.14 2.2001 3.2509 339.73 2.3356 3.3146 344.44 2.4823 3.3503 349.3 2.6334 3.3675 354.29 2.7825 3.3743 359.42 2.9232 3.3804 364.71 3.0531 3.3794 370.15 3.1701 3.3658 375.76 3.2735 3.334 381.54 3.3699 3.2911 387.5 3.4668 3.244 393.65 3.571 3.1982 400 3.6818 3.144 406.56 3.7976 3.0693 413.33 3.9147 2.9659 420.34 4.0251 2.8407 427.59 4.1159 2.7058 435.09 4.1803 2.5719 442.86 4.2223 2.4447 450.91 4.2544 2.3314 459.26 4.2835 2.2347 467.92 4.31 2.1527 476.92 4.3303 2.0734 486.27 4.3434 1.9918 496 4.3495 1.9077 506.12 4.3491 1.8257 516.67 4.3428 1.7483 527.66 4.332 1.678 539.13 4.3199 1.6208 551.11 4.3081 1.5784 563.64 4.2975 1.5503 576.74 4.2872 1.5298 590.48 4.279 1.5136 604.88 4.2782 1.4981 620 4.2979 1.4779 635.9 4.3426 1.4491 652.63 4.4072 1.4084 670.27 4.4708 1.3536 688.89 4.5261 1.2823 708.57 4.569 1.1993 729.41 4.5997 1.117 751.52 4.6139 1.0409 775 4.6121 0.975 800 4.5975 0.9215 826.67 4.5693 0.8878 855.17 4.534 0.8612 885.71 4.5005 0.8223 918.52 4.4777 0.7535 953.85 4.4594 0.6718 992 4.4374 0.599 1033.33 4.4058 0.5513 1078.26 4.3709 0.5177 1127.27 4.3382 0.4884 1180.95 4.3101 0.4611 1240 4.2913 0.4291 1305.26 4.2798 0.3977 1377.78 4.2642 0.3915 1458.82 4.2539 0.3786 1550 4.2448 0.3637 1653.33 4.2367 0.3477 1771.43 4.2346 0.336 1907.69 4.24 0.318 2066.67 4.2463 0.3069 2254.55 4.2568 0.2774 2480 4.2962 0.2396