以下关系的条件是温度为20摄氏度，波长为589nm
0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
0 1.33299 1.33313 1.33327 1.33342 1.33356 1.33370 1.33385 1.33399 1.33413 1.334281 1.33442 1.33456 1.33471 1.33485 1.33500 1.33514 1.33529 1.33543 1.33558 1.335722 1.33587 1.33601 1.33616 1.33630 1.33645 1.33659 1.33674 1.33688 1.33703 1.337173 1.33732 1.33747 1.33761 1.33776 1.33791 1.33805 1.33820 1.33835 1.33849 1.338644 1.33879 1.33893 1.33908 1.33923 1.33938 1.33952 1.33967 1.33982 1.33997 1.340125 1.34026 1.34041 1.34056 1.34071 1.34086 1.34101 1.34116 1.34131 1.34146 1.341606 1.34175 1.34190 1.34205 1.34220 1.34235 1.34250 1.34265 1.34280 1.34295 1.343107 1.34325 1.34341 1.34356 1.34371 1.34386 1.34401 1.34416 1.34431 1.34446 1.344618 1.34477 1.34492 1.34507 1.34522 1.34537 1.34553 1.34568 1.34583 1.34598 1.346149 1.34629 1.34644 1.34660 1.34675 1.34690 1.34706 1.34721 1.34736 1.34752 1.3476710 1.34783 1.34798 1.34813 1.34829 1.34844 1.34860 1.34875 1.34891 1.34906 1.3492211 1.34937 1.34953 1.34968 1.34984 1.34999 1.35015 1.35031 1.35046 1.35062 1.3507712 1.35093 1.35109 1.35124 1.35140 1.35156 1.35172 1.35187 1.35203 1.35219 1.3523413 1.35250 1.35266 1.35282 1.35298 1.35313 1.35329 1.35345 1.35361 1.35377 1.3539314 1.35409 1.35424 1.35440 1.35456 1.35472 1.35488 1.35504 1.35520 1.35536 1.3555215 1.35568 1.35584 1.35600 1.35616 1.35632 1.35648 1.35664 1.35680 1.35697 1.3571316 1.35729 1.35745 1.35761 1.35777 1.35793 1.35810 1.35826 1.35842 1.35858 1.3587517 1.35891 1.35907 1.35923 1.35940 1.35956 1.35972 1.35989 1.36005 1.36021 1.3603818 1.36054 1.36070 1.36087 1.36103 1.36120 1.36136 1.36153 1.36169 1.36186 1.3620219 1.36219 1.36235 1.36252 1.36268 1.36285 1.36301 1.36318 1.36334 1.36351 1.3636820 1.36384 1.36401 1.36418 1.36434 1.36451 1.36468 1.36484 1.36501 1.36518 1.3653521 1.36551 1.36568 1.36585 1.36602 1.36619 1.36635 1.36652 1.36669 1.36686 1.3670322 1.36720 1.36737 1.36754 1.36771 1.36788 1.36804 1.36821 1.36838 1.36855 1.3687223 1.36889 1.36907 1.36924 1.36941 1.36958 1.36975 1.36992 1.37009 1.37026 1.3704324 1.37060 1.37078 1.37095 1.37112 1.37129 1.37147 1.37164 1.37181 1.37198 1.3721625 1.37233 1.37250 1.37267 1.37285 1.37302 1.37320 1.37337 1.37354 1.37372 1.3738926 1.37407 1.37424 1.37441 1.37459 1.37476 1.37494 1.37511 1.37529 1.37546 1.3756427 1.37582 1.37599 1.37617 1.37634 1.37652 1.37670 1.37687 1.37705 1.37723 1.3774028 1.37758 1.37776 1.37793 1.37811 1.37829 1.37847 1.37865 1.37882 1.37900 1.3791829 1.37936 1.37954 1.37972 1.37989 1.38007 1.38025 1.38043 1.38061 1.38079 1.3809730 1.38115 1.38133 1.38151 1.38169 1.38187 1.38205 1.38223 1.38241 1.38259 1.3827731 1.38296 1.38314 1.38332 1.38350 1.38368 1.38386 1.38405 1.38423 1.38441 1.3845932 1.38478 1.38496 1.38514 1.38532 1.38551 1.38569 1.38588 1.38606 1.38624 1.3864333 1.38661 1.38679 1.38698 1.38716 1.38735 1.38753 1.38772 1.38790 1.38809 1.3882734 1.38846 1.38865 1.38883 1.38902 1.38920 1.38939 1.38958 1.38976 1.38995 1.3901435 1.39032 1.39051 1.39070 1.39088 1.39107 1.39126 1.39145 1.39164 1.39182 1.3920136 1.39220 1.39239 1.39258 1.39277 1.39296 1.39315 1.39333 1.39352 1.39371 1.3939037 1.39409 1.39428 1.39447 1.39466 1.39485 1.39505 1.39524 1.39543 1.39562 1.3958138 1.39600 1.39619 1.39638 1.39658 1.39677 1.39696 1.39715 1.39734 1.39754 1.3977339 1.39792 1.39812 1.39831 1.39850 1.39870 1.39889 1.39908 1.39928 1.39947 1.3996740 1.39986 1.40006 1.40025 1.40044 1.40064 1.40084 1.40103 1.40123 1.40142 1.4016241 1.40181 1.40201 1.40221 1.40240 1.40260 1.40280 1.40299 1.40319 1.40339 1.4035842 1.40378 1.40398 1.40418 1.40437 1.40457 1.40477 1.40497 1.40517 1.40537 1.4055743 1.40576 1.40596 1.40616 1.40636 1.40656 1.40676 1.40696 1.40716 1.40736 1.4075644 1.40776 1.40796 1.40817 1.40837 1.40857 1.40877 1.40897 1.40917 1.40937 1.40958