# 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 6.75 W/cm2 under oxygen flow of 12 sccm. As deposited. DATA: - type: tabulated nk data: | 0.20667 2.58489 1.34764 0.20701 2.59263 1.34277 0.20736 2.60034 1.33780 0.20771 2.60804 1.33273 0.20805 2.61572 1.32756 0.20840 2.62337 1.32229 0.20875 2.63100 1.31692 0.20911 2.63860 1.31146 0.20946 2.64618 1.30589 0.20981 2.65372 1.30022 0.21017 2.66124 1.29445 0.21053 2.66872 1.28857 0.21088 2.67616 1.28260 0.21124 2.68357 1.27652 0.21160 2.69093 1.27034 0.21197 2.69826 1.26406 0.21233 2.70554 1.25768 0.21269 2.71278 1.25120 0.21306 2.71997 1.24461 0.21343 2.72711 1.23792 0.21379 2.73420 1.23113 0.21416 2.74123 1.22424 0.21453 2.74821 1.21724 0.21490 2.75513 1.21015 0.21528 2.76199 1.20295 0.21565 2.76879 1.19566 0.21603 2.77553 1.18826 0.21640 2.78219 1.18077 0.21678 2.78879 1.17317 0.21716 2.79532 1.16548 0.21754 2.80177 1.15769 0.21793 2.80815 1.14981 0.21831 2.81445 1.14182 0.21869 2.82067 1.13375 0.21908 2.82681 1.12557 0.21947 2.83286 1.11731 0.21986 2.83883 1.10895 0.22025 2.84471 1.10051 0.22064 2.85050 1.09197 0.22103 2.85620 1.08334 0.22143 2.86180 1.07463 0.22182 2.86730 1.06583 0.22222 2.87270 1.05695 0.22262 2.87801 1.04798 0.22302 2.88321 1.03894 0.22342 2.88830 1.02981 0.22383 2.89329 1.02060 0.22423 2.89817 1.01132 0.22464 2.90294 1.00197 0.22505 2.90759 0.99254 0.22545 2.91213 0.98304 0.22587 2.91655 0.97347 0.22628 2.92086 0.96384 0.22669 2.92504 0.95414 0.22711 2.92910 0.94437 0.22752 2.93304 0.93455 0.22794 2.93686 0.92467 0.22836 2.94055 0.91474 0.22878 2.94411 0.90475 0.22921 2.94754 0.89471 0.22963 2.95084 0.88462 0.23006 2.95401 0.87448 0.23048 2.95705 0.86430 0.23091 2.95995 0.85408 0.23134 2.96271 0.84382 0.23178 2.96535 0.83353 0.23221 2.96784 0.82320 0.23265 2.97019 0.81284 0.23308 2.97241 0.80245 0.23352 2.97449 0.79204 0.23396 2.97642 0.78161 0.23440 2.97822 0.77116 0.23485 2.97987 0.76069 0.23529 2.98139 0.75020 0.23574 2.98275 0.73971 0.23619 2.98398 0.72920 0.23664 2.98507 0.71869 0.23709 2.98601 0.70818 0.23755 2.98681 0.69767 0.23800 2.98746 0.68716 0.23846 2.98797 0.67666 0.23892 2.98834 0.66617 0.23938 2.98857 0.65569 0.23985 2.98866 0.64522 0.24031 2.98860 0.63477 0.24078 2.98840 0.62434 0.24125 2.98806 0.61393 0.24172 2.98758 0.60355 0.24219 2.98696 0.59320 0.24266 2.98620 0.58288 0.24314 2.98530 0.57259 0.24361 2.98426 0.56234 0.24409 2.98309 0.55213 0.24458 2.98178 0.54196 0.24506 2.98034 0.53184 0.24554 2.97876 0.52176 0.24603 2.97706 0.51173 0.24652 2.97522 0.50176 0.24701 2.97325 0.49184 0.24750 2.97115 0.48198 0.24800 2.96893 0.47217 0.24850 2.96657 0.46243 0.24900 2.96410 0.45275 0.24950 2.96150 0.44314 0.25000 2.95878 0.43360 0.25051 2.95595 0.42413 0.25101 2.95299 0.41473 0.25152 2.94992 0.40540 0.25203 2.94673 0.39615 0.25255 2.94343 0.38699 0.25306 2.94002 0.37790 0.25358 2.93650 0.36889 0.25410 2.93288 0.35997 0.25462 2.92915 0.35113 0.25514 2.92531 0.34239 0.25567 2.92138 0.33373 0.25620 2.91735 0.32516 0.25673 2.91321 0.31669 0.25726 2.90899 0.30831 0.25780 2.90467 0.30003 0.25833 2.90026 0.29184 0.25887 2.89576 0.28375 0.25941 2.89117 0.27576 0.25996 2.88650 0.26787 0.26050 2.88175 0.26009 0.26105 2.87691 0.25241 0.26160 2.87200 0.24483 0.26216 2.86701 0.23736 0.26271 2.86195 0.22999 0.26327 2.85682 0.22273 0.26383 2.85162 0.21558 0.26439 2.84634 0.20854 0.26496 2.84101 0.20161 0.26552 2.83561 0.19479 0.26609 2.83015 0.18808 0.26667 2.82463 0.18149 0.26724 2.81906 0.17500 0.26782 2.81343 0.16863 0.26840 2.80775 0.16238 0.26898 2.80202 0.15624 0.26957 2.79625 0.15021 0.27015 2.79042 0.14431 0.27074 2.78456 0.13851 0.27133 2.77865 0.13284 0.27193 2.77271 0.12728 0.27253 2.76673 0.12184 0.27313 2.76071 0.11651 0.27373 2.75466 0.11131 0.27434 2.74859 0.10622 0.27494 2.74248 0.10125 0.27556 2.73635 0.09640 0.27617 2.73020 0.09167 0.27679 2.72402 0.08706 0.27740 2.71783 0.08257 0.27803 2.71162 0.07820 0.27865 2.70539 0.07394 0.27928 2.69915 0.06981 0.27991 2.69291 0.06580 0.28054 2.68665 0.06190 0.28118 2.68039 0.05813 0.28182 2.67413 0.05447 0.28246 2.66787 0.05094 0.28311 2.66160 0.04752 0.28375 2.65534 0.04423 0.28440 2.64909 0.04105 0.28506 2.64284 0.03799 0.28571 2.63661 0.03506 0.28637 2.63039 0.03224 0.28704 2.62418 0.02954 0.28770 2.61800 0.02696 0.28837 2.61183 0.02450 0.28904 2.60569 0.02216 0.28972 2.59957 0.01994 0.29040 2.59349 0.01784 0.29108 2.58743 0.01585 0.29176 2.58141 0.01398 0.29245 2.57543 0.01224 0.29314 2.56948 0.01060 0.29384 2.56359 0.00909 0.29454 2.55774 0.00769 0.29524 2.55194 0.00642 0.29594 2.54620 0.00525 0.29665 2.54051 0.00421 0.29736 2.53490 0.00328 0.29808 2.52935 0.00247 0.29880 2.52388 0.00177 0.29952 2.51849 0.00119 0.30024 2.51319 7.25725E-4 0.30097 2.50799 3.75328E-4 0.30170 2.50290 1.39606E-4 0.30244 2.49794 1.81991E-5 0.30318 2.49316 0 0.30392 2.48857 0 0.30467 2.48411 0 0.30542 2.47976 0 0.30617 2.47552 0 0.30693 2.47138 0 0.30769 2.46732 0 0.30846 2.46334 0 0.30923 2.45944 0 0.31000 2.45561 0 0.31078 2.45185 0 0.31156 2.44815 0 0.31234 2.44452 0 0.31313 2.44095 0 0.31392 2.43743 0 0.31472 2.43397 0 0.31552 2.43056 0 0.31633 2.42721 0 0.31714 2.42390 0 0.31795 2.42064 0 0.31877 2.41743 0 0.31959 2.41426 0 0.32041 2.41114 0 0.32124 2.40806 0 0.32208 2.40501 0 0.32292 2.40201 0 0.32376 2.39905 0 0.32461 2.39613 0 0.32546 2.39324 0 0.32632 2.39039 0 0.32718 2.38758 0 0.32804 2.38480 0 0.32891 2.38205 0 0.32979 2.37933 0 0.33067 2.37665 0 0.33155 2.37400 0 0.33244 2.37138 0 0.33333 2.36879 0 0.33423 2.36622 0 0.33514 2.36369 0 0.33604 2.36118 0 0.33696 2.35871 0 0.33787 2.35626 0 0.33880 2.35383 0 0.33973 2.35143 0 0.34066 2.34906 0 0.34160 2.34671 0 0.34254 2.34439 0 0.34349 2.34209 0 0.34444 2.33981 0 0.34540 2.33756 0 0.34637 2.33533 0 0.34734 2.33312 0 0.34831 2.33094 0 0.34930 2.32877 0 0.35028 2.32663 0 0.35127 2.32451 0 0.35227 2.32241 0 0.35328 2.32033 0 0.35429 2.31826 0 0.35530 2.31622 0 0.35632 2.31420 0 0.35735 2.31220 0 0.35838 2.31021 0 0.35942 2.30825 0 0.36047 2.30630 0 0.36152 2.30437 0 0.36257 2.30246 0 0.36364 2.30056 0 0.36471 2.29868 0 0.36578 2.29682 0 0.36686 2.29498 0 0.36795 2.29315 0 0.36905 2.29134 0 0.37015 2.28954 0 0.37126 2.28776 0 0.37237 2.28600 0 0.37349 2.28425 0 0.37462 2.28251 0 0.37576 2.28079 0 0.37690 2.27909 0 0.37805 2.27740 0 0.37920 2.27572 0 0.38037 2.27406 0 0.38154 2.27241 0 0.38272 2.27078 0 0.38390 2.26916 0 0.38509 2.26755 0 0.38629 2.26596 0 0.38750 2.26438 0 0.38871 2.26281 0 0.38994 2.26125 0 0.39117 2.25971 0 0.39241 2.25818 0 0.39365 2.25666 0 0.39490 2.25516 0 0.39617 2.25366 0 0.39744 2.25218 0 0.39871 2.25071 0 0.40000 2.24926 0 0.40129 2.24781 0 0.40260 2.24637 0 0.40391 2.24495 0 0.40523 2.24354 0 0.40656 2.24214 0 0.40789 2.24075 0 0.40924 2.23937 0 0.41060 2.23800 0 0.41196 2.23664 0 0.41333 2.23529 0 0.41472 2.23395 0 0.41611 2.23263 0 0.41751 2.23131 0 0.41892 2.23000 0 0.42034 2.22870 0 0.42177 2.22742 0 0.42321 2.22614 0 0.42466 2.22487 0 0.42612 2.22361 0 0.42759 2.22236 0 0.42907 2.22112 0 0.43056 2.21989 0 0.43206 2.21867 0 0.43357 2.21746 0 0.43509 2.21625 0 0.43662 2.21506 0 0.43816 2.21387 0 0.43972 2.21270 0 0.44128 2.21153 0 0.44286 2.21037 0 0.44444 2.20922 0 0.44604 2.20808 0 0.44765 2.20694 0 0.44928 2.20582 0 0.45091 2.20470 0 0.45255 2.20359 0 0.45421 2.20249 0 0.45588 2.20139 0 0.45756 2.20031 0 0.45926 2.19923 0 0.46097 2.19816 0 0.46269 2.19709 0 0.46442 2.19604 0 0.46617 2.19499 0 0.46792 2.19395 0 0.46970 2.19292 0 0.47148 2.19189 0 0.47328 2.19088 0 0.47510 2.18987 0 0.47692 2.18886 0 0.47876 2.18787 0 0.48062 2.18688 0 0.48249 2.18590 0 0.48438 2.18492 0 0.48627 2.18395 0 0.48819 2.18299 0 0.49012 2.18204 0 0.49206 2.18109 0 0.49402 2.18015 0 0.49600 2.17921 0 0.49799 2.17829 0 0.50000 2.17736 0 0.50202 2.17645 0 0.50407 2.17554 0 0.50612 2.17464 0 0.50820 2.17374 0 0.51029 2.17285 0 0.51240 2.17197 0 0.51452 2.17109 0 0.51667 2.17022 0 0.51883 2.16936 0 0.52101 2.16850 0 0.52321 2.16765 0 0.52542 2.16680 0 0.52766 2.16596 0 0.52991 2.16513 0 0.53219 2.16430 0 0.53448 2.16347 0 0.53680 2.16266 0 0.53913 2.16185 0 0.54148 2.16104 0 0.54386 2.16024 0 0.54626 2.15945 0 0.54867 2.15866 0 0.55111 2.15787 0 0.55357 2.15710 0 0.55605 2.15632 0 0.55856 2.15556 0 0.56109 2.15480 0 0.56364 2.15404 0 0.56621 2.15329 0 0.56881 2.15254 0 0.57143 2.15180 0 0.57407 2.15107 0 0.57674 2.15034 0 0.57944 2.14961 0 0.58216 2.14889 0 0.58491 2.14818 0 0.58768 2.14747 0 0.59048 2.14676 0 0.59330 2.14606 0 0.59615 2.14537 0 0.59903 2.14468 0 0.60194 2.14400 0 0.60488 2.14332 0 0.60784 2.14264 0 0.61084 2.14197 0 0.61386 2.14131 0 0.61692 2.14065 0 0.62000 2.13999 0 0.62312 2.13934 0 0.62626 2.13869 0 0.62944 2.13805 0 0.63265 2.13741 0 0.63590 2.13678 0 0.63918 2.13615 0 0.64249 2.13553 0 0.64583 2.13491 0 0.64921 2.13430 0 0.65263 2.13369 0 0.65608 2.13308 0 0.65957 2.13248 0 0.66310 2.13188 0 0.66667 2.13129 0 0.67027 2.13070 0 0.67391 2.13012 0 0.67760 2.12954 0 0.68132 2.12897 0 0.68508 2.12839 0 0.68889 2.12783 0 0.69274 2.12727 0 0.69663 2.12671 0 0.70056 2.12615 0 0.70455 2.12560 0 0.70857 2.12506 0 0.71264 2.12452 0 0.71676 2.12398 0 0.72093 2.12345 0 0.72515 2.12292 0 0.72941 2.12239 0 0.73373 2.12187 0 0.73810 2.12135 0 0.74251 2.12084 0 0.74699 2.12033 0 0.75152 2.11983 0 0.75610 2.11932 0 0.76074 2.11883 0 0.76543 2.11833 0 0.77019 2.11784 0 0.77500 2.11736 0 0.77987 2.11687 0 0.78481 2.11640 0 0.78981 2.11592 0 0.79487 2.11545 0 0.80000 2.11498 0 0.80519 2.11452 0 0.81046 2.11406 0 0.81579 2.11361 0 0.82119 2.11315 0 0.82667 2.11270 0 0.83221 2.11226 0 0.83784 2.11182 0 0.84354 2.11138 0 0.84932 2.11095 0 0.85517 2.11052 0 0.86111 2.11009 0 0.86713 2.10967 0 0.87324 2.10925 0 0.87943 2.10883 0 0.88571 2.10842 0 0.89209 2.10801 0 0.89855 2.10760 0 0.90511 2.10720 0 0.91176 2.10680 0 0.91852 2.10641 0 0.92537 2.10602 0 0.93233 2.10563 0 0.93939 2.10524 0 0.94656 2.10486 0 0.95385 2.10448 0 0.96124 2.10411 0 0.96875 2.10374 0 0.97638 2.10337 0 0.98413 2.10301 0 0.99200 2.10264 0 1.00000 2.10229 0 1.00813 2.10193 0 1.01639 2.10158 0 1.02479 2.10123 0 1.03333 2.10089 0 1.04202 2.10055 0 1.05085 2.10021 0 1.05983 2.09987 0 1.06897 2.09954 0 1.07826 2.09921 0 1.08772 2.09889 0 1.09735 2.09857 0 1.10714 2.09825 0 1.11712 2.09793 0 1.12727 2.09762 0 1.13761 2.09731 0 1.14815 2.09700 0 1.15888 2.09670 0 1.16981 2.09640 0 1.18095 2.09610 0 1.19231 2.09581 0 1.20388 2.09552 0 1.21569 2.09523 0 1.22772 2.09495 0 1.24000 2.09467 0