Wavelength(nm) n k 380 1.4897 0 390 1.487 0 400 1.485 0 410 1.4834 0 420 1.4821 0 430 1.481 0 440 1.48 0 450 1.4792 0 460 1.4784 0 470 1.4776 0 480 1.4769 0 490 1.4762 0 500 1.4756 0 510 1.475 0 520 1.4743 0 530 1.4737 0 540 1.4732 0 550 1.4726 0 560 1.4721 0 570 1.4716 0 580 1.471 0 590 1.4706 0 600 1.4701 0 610 1.4697 0 620 1.4692 0 630 1.4688 0 640 1.4684 0 650 1.468 0 660 1.4677 0 670 1.4673 0 680 1.467 0 690 1.4667 0 700 1.4664 0 710 1.4661 0 720 1.4658 0 730 1.4656 0 740 1.4653 0 750 1.4651 0 760 1.4648 0 770 1.4646 0 780 1.4644 0 790 1.4642 0 800 1.464 0 810 1.4638 0 820 1.4636 0 830 1.4635 0 840 1.4633 0 850 1.4631 0 860 1.463 0 870 1.4628 0 880 1.4627 0 890 1.4625 0 900 1.4624 0 910 1.4623 0 920 1.4622 0 930 1.462 0 940 1.4619 0 950 1.4618 0 960 1.4617 0 970 1.4616 0 980 1.4615 0 990 1.4614 0 1000 1.4613 0 1010 1.4612 0 1020 1.4611 0 1030 1.461 0 1040 1.4609 0 1050 1.4608 0