Wavelength(nm) n k 200 1.6479 0 205 1.641 0 210 1.6347 0 215 1.629 0 220 1.6238 0 225 1.6191 0 230 1.6147 0 235 1.6107 0 240 1.607 0 245 1.6035 0 250 1.6003 0 255 1.5974 0 260 1.5946 0 265 1.5921 0 270 1.5897 0 275 1.5874 0 280 1.5853 0 285 1.5833 0 290 1.5814 0 295 1.5797 0 300 1.578 0 305 1.5765 0 310 1.575 0 315 1.5736 0 320 1.5722 0 325 1.571 0 330 1.5698 0 335 1.5686 0 340 1.5676 0 345 1.5665 0 350 1.5655 0 355 1.5646 0 360 1.5637 0 365 1.5628 0 370 1.562 0 375 1.5612 0 380 1.5605 0 385 1.5597 0 390 1.559 0 395 1.5584 0 400 1.5577 0 405 1.5571 0 410 1.5565 0 415 1.5559 0 420 1.5554 0 425 1.5549 0 430 1.5544 0 435 1.5539 0 440 1.5534 0 445 1.5529 0 450 1.5525 0 455 1.5521 0 460 1.5516 0 465 1.5512 0 470 1.5508 0 475 1.5505 0 480 1.5501 0 485 1.5497 0 490 1.5494 0 495 1.5491 0 500 1.5487 0 505 1.5484 0 510 1.5481 0 515 1.5478 0 520 1.5475 0 525 1.5472 0 530 1.547 0 535 1.5467 0 540 1.5464 0 545 1.5462 0 550 1.5459 0 555 1.5457 0 560 1.5455 0 565 1.5452 0 570 1.545 0 575 1.5448 0 580 1.5446 0 585 1.5444 0 590 1.5442 0 595 1.544 0 600 1.5438 0 605 1.5436 0 610 1.5434 0 615 1.5432 0 620 1.543 0 625 1.5429 0 630 1.5427 0 635 1.5425 0 640 1.5424 0 645 1.5422 0 650 1.542 0 655 1.5419 0 660 1.5417 0 665 1.5416 0 670 1.5414 0 675 1.5413 0 680 1.5412 0 685 1.541 0 690 1.5409 0 700 1.5406 0 710 1.5404 0 720 1.5401 0 730 1.5399 0 740 1.5396 0 750 1.5394 0 760 1.5392 0 770 1.539 0 780 1.5387 0 790 1.5385 0 800 1.5383 0 810 1.5381 0 820 1.5379 0 830 1.5378 0 840 1.5376 0 850 1.5374 0 860 1.5372 0 870 1.537 0 880 1.5369 0 890 1.5367 0 900 1.5365 0 910 1.5364 0 920 1.5362 0 930 1.5361 0 940 1.5359 0 950 1.5357 0 960 1.5356 0 970 1.5354 0 980 1.5353 0 990 1.5351 0 1000 1.535 0 1010 1.5349 0 1020 1.5347 0 1030 1.5346 0 1040 1.5344 0 1050 1.5343 0 1060 1.5342 0 1070 1.534 0 1080 1.5339 0 1090 1.5337 0 1100 1.5336 0 1110 1.5335 0 1120 1.5333 0 1130 1.5332 0 1140 1.5331 0 1150 1.5329 0 1160 1.5328 0 1170 1.5327 0 1180 1.5326 0 1190 1.5324 0 1200 1.5323 0 1210 1.5322 0 1220 1.532 0 1230 1.5319 0 1240 1.5318 0 1250 1.5316 0 1260 1.5315 0 1270 1.5314 0 1280 1.5313 0 1290 1.5311 0 1300 1.531 0 1310 1.5309 0 1320 1.5307 0 1330 1.5306 0 1340 1.5305 0 1350 1.5303 0 1360 1.5302 0 1370 1.5301 0 1380 1.53 0 1390 1.5298 0 1400 1.5297 0 1410 1.5296 0 1420 1.5294 0 1430 1.5293 0 1440 1.5292 0 1450 1.529 0 1460 1.5289 0 1470 1.5288 0 1480 1.5286 0 1490 1.5285 0 1500 1.5284 0 1510 1.5282 0 1520 1.5281 0 1530 1.528 0 1540 1.5278 0 1550 1.5277 0 1560 1.5276 0 1570 1.5274 0 1580 1.5273 0 1590 1.5271 0 1600 1.527 0 1610 1.5269 0 1620 1.5267 0 1630 1.5266 0 1640 1.5264 0 1650 1.5263 0 1660 1.5262 0 1670 1.526 0 1680 1.5259 0 1690 1.5257 0 1700 1.5256 0 1710 1.5254 0 1720 1.5253 0 1730 1.5252 0 1740 1.525 0 1750 1.5249 0 1760 1.5247 0 1770 1.5246 0 1780 1.5244 0 1790 1.5243 0 1800 1.5241 0 1810 1.524 0 1820 1.5238 0 1830 1.5237 0 1840 1.5235 0 1850 1.5233 0 1860 1.5232 0 1870 1.523 0 1880 1.5229 0 1890 1.5227 0 1900 1.5226 0 1910 1.5224 0 1920 1.5222 0 1930 1.5221 0 1940 1.5219 0 1950 1.5218 0 1960 1.5216 0 1970 1.5214 0 1980 1.5213 0 1990 1.5211 0 2000 1.5209 0