Wavelength(nm) n k 190.7 0.847 2.73 198.4 0.968 2.89 206.6 1.11 3.05 207.3 1.036 2.928 208 1.046 2.944 208.7 1.066 2.937 209.4 1.07 2.963 210.1 1.083 2.982 210.9 1.088 2.987 211.6 1.102 3.005 212.3 1.109 3.015 213 1.119 3.025 213.8 1.24 3.18 214.5 1.139 3.061 215.3 1.155 3.073 216 1.164 3.086 216.8 1.175 3.102 217.5 1.18 3.112 218.3 1.195 3.135 219.1 1.211 3.15 219.8 1.222 3.169 220.6 1.235 3.19 221.4 1.4 3.33 222.2 1.265 3.228 223 1.28 3.245 223.8 1.299 3.267 224.6 1.319 3.285 225.4 1.34 3.302 226.3 1.362 3.319 227.1 1.389 3.334 227.9 1.416 3.35 228.8 1.445 3.359 229.6 1.64 3.44 230.5 1.502 3.368 231.3 1.526 3.368 232.2 1.548 3.364 233.1 1.566 3.358 233.9 1.75 3.42 234.8 1.585 3.346 235.7 1.59 3.344 236.6 1.591 3.344 237.5 1.592 3.347 238.4 1.78 3.36 239.4 1.586 3.363 240.3 1.582 3.376 241.2 1.579 3.389 242.2 1.573 3.408 243.1 1.72 3.42 244.1 1.57 3.451 245 1.569 3.477 246 1.568 3.504 247 1.569 3.533 248 1.68 3.58 249 1.575 3.598 250 1.58 3.632 251 1.584 3.67 252 1.591 3.709 253 1.597 3.749 254.1 1.608 3.789 255.1 1.618 3.835 256.2 1.629 3.88 257.2 1.643 3.928 258.3 1.658 3.979 259.4 1.673 4.031 260.5 1.692 4.088 261.6 1.713 4.149 262.7 1.737 4.211 263.8 1.764 4.278 264.9 1.794 4.35 266.1 1.831 4.426 267.2 1.874 4.506 268.4 1.927 4.59 269.5 1.988 4.678 270.7 2.059 4.764 271.9 2.14 4.849 273.1 2.234 4.933 274.3 2.339 5.011 275.5 2.451 5.082 276.8 2.572 5.148 278 2.7 5.206 279.2 2.833 5.257 280.5 2.974 5.304 281.8 3.12 5.344 283.1 3.277 5.381 284.4 3.444 5.414 285.7 3.634 5.435 287 3.849 5.439 288.3 4.086 5.395 289.7 4.318 5.301 291 4.525 5.158 292.4 4.686 4.989 293.8 4.805 4.812 295.2 4.888 4.639 296.6 4.941 4.48 298 4.977 4.335 299.5 4.999 4.204 300.9 5.012 4.086 302.4 5.02 3.979 303.9 5.021 3.885 305.4 5.02 3.798 306.9 5.018 3.72 308.4 5.015 3.65 310 5.01 3.587 311.5 5.009 3.529 313.1 5.01 3.477 314.7 5.009 3.429 316.3 5.012 3.386 317.9 5.016 3.346 319.5 5.021 3.31 321.2 5.029 3.275 322.9 5.04 3.242 324.6 5.052 3.211 326.3 5.065 3.182 328 5.079 3.154 329.7 5.095 3.128 331.5 5.115 3.103 333.3 5.134 3.079 335.1 5.156 3.058 336.9 5.179 3.039 338.8 5.204 3.021 340.6 5.231 3.007 342.5 5.261 2.995 344.4 5.296 2.987 346.3 5.336 2.983 348.3 5.383 2.984 350.2 5.442 2.989 352.2 5.515 2.999 354.2 5.61 3.014 356.3 5.733 3.026 358.3 5.894 3.023 360.4 6.089 2.982 362.5 6.308 2.881 364.7 6.522 2.705 366.8 6.695 2.456 369 6.796 2.169 371.2 6.829 1.87 373.4 6.799 1.571 375.7 6.709 1.321 378 6.585 1.11 380.3 6.452 0.945 382.7 6.316 0.815 385 6.185 0.714 387.5 6.062 0.63 389.9 5.948 0.561 392.4 5.842 0.505 394.9 5.744 0.456 397.4 5.654 0.416 400 5.57 0.387 402.5 5.493 0.355 405.2 5.42 0.329 407.8 5.349 0.313 410.5 5.284 0.291 413.3 5.222 0.269 416.1 5.164 0.255 418.9 5.109 0.244 421.7 5.058 0.228 424.6 5.009 0.211 427.5 4.961 0.203 430.5 4.916 0.194 433.5 4.872 0.185 436.6 4.831 0.185 439.7 4.791 0.17 442.8 4.753 0.163 446 4.718 0.149 449.2 4.682 0.149 452.5 4.648 0.133 455.8 4.615 0.131 459.2 4.583 0.13 462.6 4.553 0.131 466.1 4.522 0.134 469.6 4.495 0.12 473.2 4.466 0.12 476.9 4.442 0.09 480.6 4.416 0.094 484.3 4.391 0.083 488.1 4.367 0.079 492 4.343 0.077 495.9 4.32 0.073 499.9 4.298 0.073 504 4.277 0.066 508.1 4.255 0.072 512.3 4.235 0.06 516.6 4.215 0.06 520.9 4.196 0.056 525.4 4.177 0.053 529.9 4.159 0.043 534.4 4.14 0.045 539.1 4.123 0.048 543.8 4.106 0.044 548.6 4.089 0.044 553.5 4.073 0.032 558.5 4.057 0.038 563.6 4.042 0.032 568.7 4.026 0.034 574 4.012 0.03 579.4 3.997 0.027 584.8 3.983 0.03 590.4 3.969 0.03 596.1 3.956 0.027 601.9 3.943 0.025 607.8 3.931 0.025 613.8 3.918 0.024 619.9 3.906 0.022 626.2 3.893 0.022 632.6 3.882 0.019 639.1 3.87 0.018 645.8 3.858 0.017 652.6 3.847 0.016 659.5 3.837 0.016 666.6 3.826 0.015 673.8 3.815 0.014 681.2 3.805 0.013 688.8 3.796 0.013 696.5 3.787 0.013 704.5 3.778 0.012 712.6 3.768 0.011 720.8 3.761 0.011 729.3 3.752 0.01 738 3.745 0.01 746.9 3.736 0.009 756 3.728 0.009 765.3 3.721 0.008 774.9 3.714 0.008 784.7 3.705 0.007 794.8 3.697 0.007 805.1 3.688 0.006 815.7 3.681 0.006 826.6 3.673 0.01 1120 3.5361 0 1144 3.5295 0 1200 3.5193 0 1372 3.5007 0 1400 3.4876 0 1532 3.4784 0 1600 3.471 0 1696 3.4644 0 1800 3.4578 0 2000 3.449 0 2437.3 3.4434 0 2500 3.4424 0