# this file is part of refractiveindex.info database # refractiveindex.info database is in the public domain # copyright and related rights waived via CC0 1.0 REFERENCES: | A. Cheikh, J. Gonçalves, C. Labbé, X. Portier, P. Marie, C. Frilay, O. Debieu, S. Duprey, W. Jadwisienczak, D. Ingram, J. Cardin. Tailoring the structural and optical properties of Ta2O5 thin films via radio frequency magnetron sputtering for high-refractive index transparent materials. J. Alloys Compd. 1040, 183273 (2025) (Numerical data kindly provided by Julien Cardin) COMMENTS: | Ta2O5 amorphous thin film. Deposited by radio frequency magnetron sputtering at sputtering power density 3.28 W/cm2 under oxygen flow of 4 sccm. As deposited. DATA: - type: tabulated nk data: | 0.20667 2.58752 1.31746 0.20701 2.59446 1.31309 0.20736 2.60139 1.30865 0.20771 2.60832 1.30413 0.20805 2.61523 1.29953 0.20840 2.62213 1.29485 0.20875 2.62901 1.29009 0.20911 2.63589 1.28524 0.20946 2.64274 1.28031 0.20981 2.64958 1.27530 0.21017 2.65640 1.27020 0.21053 2.66321 1.26502 0.21088 2.66999 1.25976 0.21124 2.67675 1.25441 0.21160 2.68348 1.24897 0.21197 2.69019 1.24345 0.21233 2.69688 1.23784 0.21269 2.70353 1.23215 0.21306 2.71016 1.22637 0.21343 2.71676 1.22050 0.21379 2.72332 1.21454 0.21416 2.72985 1.20850 0.21453 2.73634 1.20237 0.21490 2.74280 1.19615 0.21528 2.74922 1.18984 0.21565 2.75560 1.18345 0.21603 2.76193 1.17697 0.21640 2.76822 1.17039 0.21678 2.77447 1.16374 0.21716 2.78067 1.15699 0.21754 2.78682 1.15015 0.21793 2.79292 1.14323 0.21831 2.79896 1.13622 0.21869 2.80496 1.12912 0.21908 2.81089 1.12193 0.21947 2.81677 1.11466 0.21986 2.82259 1.10730 0.22025 2.82835 1.09985 0.22064 2.83404 1.09232 0.22103 2.83967 1.08470 0.22143 2.84523 1.07700 0.22182 2.85072 1.06921 0.22222 2.85614 1.06134 0.22262 2.86149 1.05338 0.22302 2.86676 1.04535 0.22342 2.87196 1.03723 0.22383 2.87708 1.02903 0.22423 2.88212 1.02074 0.22464 2.88707 1.01238 0.22505 2.89195 1.00395 0.22545 2.89673 0.99543 0.22587 2.90143 0.98684 0.22628 2.90604 0.97817 0.22669 2.91056 0.96942 0.22711 2.91498 0.96061 0.22752 2.91931 0.95172 0.22794 2.92354 0.94276 0.22836 2.92767 0.93373 0.22878 2.93170 0.92464 0.22921 2.93563 0.91548 0.22963 2.93945 0.90625 0.23006 2.94317 0.89696 0.23048 2.94678 0.88761 0.23091 2.95029 0.87820 0.23134 2.95368 0.86873 0.23178 2.95695 0.85920 0.23221 2.96012 0.84962 0.23265 2.96317 0.83998 0.23308 2.96610 0.83030 0.23352 2.96891 0.82056 0.23396 2.97160 0.81078 0.23440 2.97417 0.80096 0.23485 2.97662 0.79109 0.23529 2.97895 0.78118 0.23574 2.98115 0.77123 0.23619 2.98322 0.76124 0.23664 2.98516 0.75123 0.23709 2.98698 0.74118 0.23755 2.98866 0.73110 0.23800 2.99022 0.72099 0.23846 2.99164 0.71086 0.23892 2.99293 0.70070 0.23938 2.99408 0.69053 0.23985 2.99510 0.68034 0.24031 2.99599 0.67014 0.24078 2.99674 0.65992 0.24125 2.99735 0.64970 0.24172 2.99782 0.63946 0.24219 2.99816 0.62923 0.24266 2.99836 0.61899 0.24314 2.99842 0.60875 0.24361 2.99835 0.59852 0.24409 2.99813 0.58830 0.24458 2.99777 0.57808 0.24506 2.99728 0.56788 0.24554 2.99664 0.55769 0.24603 2.99587 0.54752 0.24652 2.99496 0.53737 0.24701 2.99391 0.52724 0.24750 2.99272 0.51714 0.24800 2.99139 0.50707 0.24850 2.98992 0.49703 0.24900 2.98832 0.48703 0.24950 2.98657 0.47706 0.25000 2.98469 0.46713 0.25051 2.98268 0.45725 0.25101 2.98053 0.44741 0.25152 2.97825 0.43762 0.25203 2.97583 0.42788 0.25255 2.97328 0.41820 0.25306 2.97059 0.40857 0.25358 2.96778 0.39900 0.25410 2.96484 0.38949 0.25462 2.96177 0.38005 0.25514 2.95857 0.37067 0.25567 2.95524 0.36137 0.25620 2.95179 0.35213 0.25673 2.94822 0.34298 0.25726 2.94452 0.33389 0.25780 2.94071 0.32489 0.25833 2.93677 0.31597 0.25887 2.93272 0.30714 0.25941 2.92855 0.29839 0.25996 2.92427 0.28973 0.26050 2.91988 0.28117 0.26105 2.91538 0.27269 0.26160 2.91076 0.26432 0.26216 2.90605 0.25604 0.26271 2.90122 0.24786 0.26327 2.89630 0.23979 0.26383 2.89127 0.23182 0.26439 2.88615 0.22395 0.26496 2.88093 0.21620 0.26552 2.87561 0.20855 0.26609 2.87021 0.20102 0.26667 2.86471 0.19361 0.26724 2.85913 0.18631 0.26782 2.85346 0.17912 0.26840 2.84771 0.17206 0.26898 2.84188 0.16512 0.26957 2.83597 0.15831 0.27015 2.82999 0.15161 0.27074 2.82394 0.14505 0.27133 2.81782 0.13861 0.27193 2.81162 0.13231 0.27253 2.80537 0.12613 0.27313 2.79905 0.12009 0.27373 2.79268 0.11418 0.27434 2.78624 0.10841 0.27494 2.77976 0.10278 0.27556 2.77322 0.09728 0.27617 2.76664 0.09192 0.27679 2.76001 0.08671 0.27740 2.75335 0.08164 0.27803 2.74664 0.07671 0.27865 2.73990 0.07192 0.27928 2.73313 0.06728 0.27991 2.72632 0.06279 0.28054 2.71950 0.05844 0.28118 2.71265 0.05424 0.28182 2.70578 0.05020 0.28246 2.69890 0.04630 0.28311 2.69200 0.04256 0.28375 2.68510 0.03896 0.28440 2.67820 0.03553 0.28506 2.67130 0.03224 0.28571 2.66440 0.02911 0.28637 2.65751 0.02614 0.28704 2.65063 0.02332 0.28770 2.64377 0.02066 0.28837 2.63693 0.01816 0.28904 2.63012 0.01582 0.28972 2.62334 0.01364 0.29040 2.61660 0.01161 0.29108 2.60990 0.00975 0.29176 2.60325 0.00805 0.29245 2.59666 0.00651 0.29314 2.59013 0.00514 0.29384 2.58367 0.00392 0.29454 2.57729 0.00287 0.29524 2.57100 0.00198 0.29594 2.56481 0.00126 0.29665 2.55874 6.96070E-4 0.29736 2.55279 2.99841E-4 0.29808 2.54700 6.80074E-5 0.29880 2.54141 0 0.29952 2.53609 0 0.30024 2.53096 0 0.30097 2.52599 0 0.30170 2.52115 0 0.30244 2.51644 0 0.30318 2.51183 0 0.30392 2.50733 0 0.30467 2.50293 0 0.30542 2.49862 0 0.30617 2.49439 0 0.30693 2.49024 0 0.30769 2.48617 0 0.30846 2.48217 0 0.30923 2.47824 0 0.31000 2.47438 0 0.31078 2.47058 0 0.31156 2.46684 0 0.31234 2.46317 0 0.31313 2.45955 0 0.31392 2.45598 0 0.31472 2.45247 0 0.31552 2.44901 0 0.31633 2.44560 0 0.31714 2.44224 0 0.31795 2.43893 0 0.31877 2.43566 0 0.31959 2.43244 0 0.32041 2.42926 0 0.32124 2.42612 0 0.32208 2.42302 0 0.32292 2.41997 0 0.32376 2.41695 0 0.32461 2.41397 0 0.32546 2.41102 0 0.32632 2.40811 0 0.32718 2.40524 0 0.32804 2.40240 0 0.32891 2.39960 0 0.32979 2.39683 0 0.33067 2.39409 0 0.33155 2.39138 0 0.33244 2.38870 0 0.33333 2.38606 0 0.33423 2.38344 0 0.33514 2.38085 0 0.33604 2.37829 0 0.33696 2.37576 0 0.33787 2.37325 0 0.33880 2.37077 0 0.33973 2.36832 0 0.34066 2.36589 0 0.34160 2.36349 0 0.34254 2.36112 0 0.34349 2.35876 0 0.34444 2.35644 0 0.34540 2.35413 0 0.34637 2.35185 0 0.34734 2.34959 0 0.34831 2.34735 0 0.34930 2.34514 0 0.35028 2.34295 0 0.35127 2.34078 0 0.35227 2.33862 0 0.35328 2.33649 0 0.35429 2.33438 0 0.35530 2.33229 0 0.35632 2.33022 0 0.35735 2.32817 0 0.35838 2.32614 0 0.35942 2.32413 0 0.36047 2.32213 0 0.36152 2.32016 0 0.36257 2.31820 0 0.36364 2.31626 0 0.36471 2.31433 0 0.36578 2.31242 0 0.36686 2.31054 0 0.36795 2.30866 0 0.36905 2.30681 0 0.37015 2.30497 0 0.37126 2.30314 0 0.37237 2.30133 0 0.37349 2.29954 0 0.37462 2.29776 0 0.37576 2.29600 0 0.37690 2.29425 0 0.37805 2.29252 0 0.37920 2.29080 0 0.38037 2.28910 0 0.38154 2.28741 0 0.38272 2.28573 0 0.38390 2.28407 0 0.38509 2.28242 0 0.38629 2.28079 0 0.38750 2.27917 0 0.38871 2.27756 0 0.38994 2.27597 0 0.39117 2.27438 0 0.39241 2.27281 0 0.39365 2.27126 0 0.39490 2.26971 0 0.39617 2.26818 0 0.39744 2.26666 0 0.39871 2.26516 0 0.40000 2.26366 0 0.40129 2.26218 0 0.40260 2.26070 0 0.40391 2.25924 0 0.40523 2.25779 0 0.40656 2.25636 0 0.40789 2.25493 0 0.40924 2.25351 0 0.41060 2.25211 0 0.41196 2.25071 0 0.41333 2.24933 0 0.41472 2.24796 0 0.41611 2.24660 0 0.41751 2.24524 0 0.41892 2.24390 0 0.42034 2.24257 0 0.42177 2.24125 0 0.42321 2.23994 0 0.42466 2.23863 0 0.42612 2.23734 0 0.42759 2.23606 0 0.42907 2.23479 0 0.43056 2.23352 0 0.43206 2.23227 0 0.43357 2.23102 0 0.43509 2.22979 0 0.43662 2.22856 0 0.43816 2.22734 0 0.43972 2.22613 0 0.44128 2.22493 0 0.44286 2.22374 0 0.44444 2.22256 0 0.44604 2.22139 0 0.44765 2.22022 0 0.44928 2.21906 0 0.45091 2.21792 0 0.45255 2.21678 0 0.45421 2.21564 0 0.45588 2.21452 0 0.45756 2.21340 0 0.45926 2.21230 0 0.46097 2.21120 0 0.46269 2.21010 0 0.46442 2.20902 0 0.46617 2.20794 0 0.46792 2.20688 0 0.46970 2.20581 0 0.47148 2.20476 0 0.47328 2.20372 0 0.47510 2.20268 0 0.47692 2.20165 0 0.47876 2.20062 0 0.48062 2.19960 0 0.48249 2.19859 0 0.48438 2.19759 0 0.48627 2.19660 0 0.48819 2.19561 0 0.49012 2.19463 0 0.49206 2.19365 0 0.49402 2.19269 0 0.49600 2.19172 0 0.49799 2.19077 0 0.50000 2.18982 0 0.50202 2.18888 0 0.50407 2.18795 0 0.50612 2.18702 0 0.50820 2.18610 0 0.51029 2.18519 0 0.51240 2.18428 0 0.51452 2.18338 0 0.51667 2.18248 0 0.51883 2.18159 0 0.52101 2.18071 0 0.52321 2.17983 0 0.52542 2.17896 0 0.52766 2.17810 0 0.52991 2.17724 0 0.53219 2.17638 0 0.53448 2.17554 0 0.53680 2.17470 0 0.53913 2.17386 0 0.54148 2.17303 0 0.54386 2.17221 0 0.54626 2.17139 0 0.54867 2.17058 0 0.55111 2.16977 0 0.55357 2.16897 0 0.55605 2.16818 0 0.55856 2.16739 0 0.56109 2.16661 0 0.56364 2.16583 0 0.56621 2.16505 0 0.56881 2.16429 0 0.57143 2.16353 0 0.57407 2.16277 0 0.57674 2.16202 0 0.57944 2.16127 0 0.58216 2.16053 0 0.58491 2.15979 0 0.58768 2.15906 0 0.59048 2.15834 0 0.59330 2.15762 0 0.59615 2.15690 0 0.59903 2.15619 0 0.60194 2.15549 0 0.60488 2.15479 0 0.60784 2.15409 0 0.61084 2.15340 0 0.61386 2.15272 0 0.61692 2.15204 0 0.62000 2.15136 0 0.62312 2.15069 0 0.62626 2.15003 0 0.62944 2.14937 0 0.63265 2.14871 0 0.63590 2.14806 0 0.63918 2.14741 0 0.64249 2.14677 0 0.64583 2.14613 0 0.64921 2.14550 0 0.65263 2.14487 0 0.65608 2.14425 0 0.65957 2.14363 0 0.66310 2.14301 0 0.66667 2.14240 0 0.67027 2.14180 0 0.67391 2.14120 0 0.67760 2.14060 0 0.68132 2.14001 0 0.68508 2.13942 0 0.68889 2.13884 0 0.69274 2.13826 0 0.69663 2.13768 0 0.70056 2.13711 0 0.70455 2.13655 0 0.70857 2.13598 0 0.71264 2.13543 0 0.71676 2.13487 0 0.72093 2.13432 0 0.72515 2.13378 0 0.72941 2.13324 0 0.73373 2.13270 0 0.73810 2.13216 0 0.74251 2.13164 0 0.74699 2.13111 0 0.75152 2.13059 0 0.75610 2.13007 0 0.76074 2.12956 0 0.76543 2.12905 0 0.77019 2.12855 0 0.77500 2.12805 0 0.77987 2.12755 0 0.78481 2.12706 0 0.78981 2.12657 0 0.79487 2.12608 0 0.80000 2.12560 0 0.80519 2.12512 0 0.81046 2.12465 0 0.81579 2.12418 0 0.82119 2.12371 0 0.82667 2.12325 0 0.83221 2.12279 0 0.83784 2.12234 0 0.84354 2.12188 0 0.84932 2.12144 0 0.85517 2.12099 0 0.86111 2.12055 0 0.86713 2.12012 0 0.87324 2.11968 0 0.87943 2.11926 0 0.88571 2.11883 0 0.89209 2.11841 0 0.89855 2.11799 0 0.90511 2.11758 0 0.91176 2.11716 0 0.91852 2.11676 0 0.92537 2.11635 0 0.93233 2.11595 0 0.93939 2.11556 0 0.94656 2.11516 0 0.95385 2.11477 0 0.96124 2.11439 0 0.96875 2.11400 0 0.97638 2.11362 0 0.98413 2.11325 0 0.99200 2.11288 0 1.00000 2.11251 0 1.00813 2.11214 0 1.01639 2.11178 0 1.02479 2.11142 0 1.03333 2.11106 0 1.04202 2.11071 0 1.05085 2.11036 0 1.05983 2.11002 0 1.06897 2.10967 0 1.07826 2.10934 0 1.08772 2.10900 0 1.09735 2.10867 0 1.10714 2.10834 0 1.11712 2.10801 0 1.12727 2.10769 0 1.13761 2.10737 0 1.14815 2.10706 0 1.15888 2.10674 0 1.16981 2.10643 0 1.18095 2.10613 0 1.19231 2.10582 0 1.20388 2.10552 0 1.21569 2.10523 0 1.22772 2.10493 0 1.24000 2.10464 0