# 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 5.48 W/cm2 under oxygen flow of 12 sccm. As deposited. DATA: - type: tabulated nk data: | 0.20667 2.59354 1.40543 0.20701 2.60195 1.40042 0.20736 2.61033 1.39529 0.20771 2.61870 1.39005 0.20805 2.62705 1.38470 0.20840 2.63537 1.37924 0.20875 2.64367 1.37367 0.20911 2.65193 1.36798 0.20946 2.66017 1.36218 0.20981 2.66837 1.35626 0.21017 2.67654 1.35024 0.21053 2.68467 1.34410 0.21088 2.69277 1.33784 0.21124 2.70082 1.33147 0.21160 2.70882 1.32498 0.21197 2.71678 1.31838 0.21233 2.72469 1.31167 0.21269 2.73255 1.30484 0.21306 2.74035 1.29790 0.21343 2.74810 1.29084 0.21379 2.75579 1.28367 0.21416 2.76342 1.27638 0.21453 2.77099 1.26898 0.21490 2.77849 1.26147 0.21528 2.78592 1.25385 0.21565 2.79328 1.24611 0.21603 2.80057 1.23826 0.21640 2.80778 1.23031 0.21678 2.81491 1.22224 0.21716 2.82196 1.21407 0.21754 2.82893 1.20578 0.21793 2.83581 1.19739 0.21831 2.84260 1.18890 0.21869 2.84930 1.18030 0.21908 2.85591 1.17159 0.21947 2.86242 1.16279 0.21986 2.86883 1.15388 0.22025 2.87514 1.14488 0.22064 2.88135 1.13577 0.22103 2.88745 1.12658 0.22143 2.89344 1.11728 0.22182 2.89932 1.10790 0.22222 2.90509 1.09842 0.22262 2.91075 1.08886 0.22302 2.91628 1.07920 0.22342 2.92170 1.06947 0.22383 2.92699 1.05965 0.22423 2.93216 1.04975 0.22464 2.93721 1.03977 0.22505 2.94213 1.02972 0.22545 2.94691 1.01959 0.22587 2.95157 1.00939 0.22628 2.95609 0.99912 0.22669 2.96048 0.98879 0.22711 2.96473 0.97839 0.22752 2.96884 0.96794 0.22794 2.97281 0.95742 0.22836 2.97664 0.94685 0.22878 2.98032 0.93623 0.22921 2.98386 0.92555 0.22963 2.98726 0.91483 0.23006 2.99051 0.90407 0.23048 2.99361 0.89327 0.23091 2.99657 0.88242 0.23134 2.99937 0.87155 0.23178 3.00202 0.86064 0.23221 3.00452 0.84970 0.23265 3.00687 0.83874 0.23308 3.00907 0.82776 0.23352 3.01111 0.81675 0.23396 3.01300 0.80573 0.23440 3.01474 0.79470 0.23485 3.01632 0.78366 0.23529 3.01775 0.77261 0.23574 3.01902 0.76156 0.23619 3.02014 0.75051 0.23664 3.02111 0.73946 0.23709 3.02192 0.72842 0.23755 3.02258 0.71739 0.23800 3.02308 0.70637 0.23846 3.02343 0.69536 0.23892 3.02363 0.68438 0.23938 3.02368 0.67342 0.23985 3.02358 0.66248 0.24031 3.02332 0.65157 0.24078 3.02292 0.64069 0.24125 3.02237 0.62984 0.24172 3.02167 0.61904 0.24219 3.02083 0.60827 0.24266 3.01984 0.59754 0.24314 3.01870 0.58686 0.24361 3.01743 0.57623 0.24409 3.01601 0.56565 0.24458 3.01445 0.55512 0.24506 3.01276 0.54465 0.24554 3.01092 0.53424 0.24603 3.00896 0.52389 0.24652 3.00686 0.51361 0.24701 3.00462 0.50339 0.24750 3.00226 0.49324 0.24800 2.99977 0.48315 0.24850 2.99715 0.47315 0.24900 2.99441 0.46322 0.24950 2.99154 0.45336 0.25000 2.98856 0.44359 0.25051 2.98545 0.43389 0.25101 2.98223 0.42428 0.25152 2.97889 0.41476 0.25203 2.97545 0.40532 0.25255 2.97189 0.39597 0.25306 2.96822 0.38671 0.25358 2.96445 0.37755 0.25410 2.96057 0.36848 0.25462 2.95659 0.35950 0.25514 2.95252 0.35062 0.25567 2.94834 0.34184 0.25620 2.94407 0.33316 0.25673 2.93971 0.32457 0.25726 2.93526 0.31610 0.25780 2.93072 0.30772 0.25833 2.92609 0.29945 0.25887 2.92138 0.29128 0.25941 2.91659 0.28322 0.25996 2.91172 0.27527 0.26050 2.90678 0.26742 0.26105 2.90176 0.25968 0.26160 2.89666 0.25206 0.26216 2.89150 0.24454 0.26271 2.88627 0.23714 0.26327 2.88098 0.22984 0.26383 2.87562 0.22266 0.26439 2.87020 0.21559 0.26496 2.86473 0.20864 0.26552 2.85919 0.20180 0.26609 2.85361 0.19507 0.26667 2.84797 0.18846 0.26724 2.84228 0.18196 0.26782 2.83655 0.17558 0.26840 2.83077 0.16931 0.26898 2.82494 0.16316 0.26957 2.81908 0.15713 0.27015 2.81318 0.15121 0.27074 2.80724 0.14540 0.27133 2.80127 0.13972 0.27193 2.79526 0.13415 0.27253 2.78923 0.12869 0.27313 2.78316 0.12336 0.27373 2.77708 0.11814 0.27434 2.77096 0.11303 0.27494 2.76483 0.10804 0.27556 2.75867 0.10317 0.27617 2.75250 0.09841 0.27679 2.74631 0.09377 0.27740 2.74011 0.08925 0.27803 2.73390 0.08484 0.27865 2.72767 0.08055 0.27928 2.72144 0.07637 0.27991 2.71520 0.07231 0.28054 2.70896 0.06836 0.28118 2.70272 0.06452 0.28182 2.69648 0.06080 0.28246 2.69024 0.05720 0.28311 2.68400 0.05371 0.28375 2.67777 0.05033 0.28440 2.67155 0.04706 0.28506 2.66534 0.04391 0.28571 2.65914 0.04087 0.28637 2.65295 0.03794 0.28704 2.64678 0.03513 0.28770 2.64063 0.03242 0.28837 2.63450 0.02983 0.28904 2.62839 0.02735 0.28972 2.62230 0.02498 0.29040 2.61624 0.02272 0.29108 2.61022 0.02057 0.29176 2.60422 0.01852 0.29245 2.59825 0.01659 0.29314 2.59233 0.01477 0.29384 2.58644 0.01305 0.29454 2.58059 0.01144 0.29524 2.57478 0.00994 0.29594 2.56903 0.00855 0.29665 2.56332 0.00726 0.29736 2.55766 0.00608 0.29808 2.55206 0.00501 0.29880 2.54653 0.00404 0.29952 2.54105 0.00317 0.30024 2.53564 0.00242 0.30097 2.53031 0.00176 0.30170 2.52505 0.00121 0.30244 2.51988 7.63417E-4 0.30318 2.51480 4.19325E-4 0.30392 2.50982 1.77837E-4 0.30467 2.50496 3.84978E-5 0.30542 2.50025 0 0.30617 2.49572 0 0.30693 2.49132 0 0.30769 2.48704 0 0.30846 2.48285 0 0.30923 2.47876 0 0.31000 2.47475 0 0.31078 2.47082 0 0.31156 2.46697 0 0.31234 2.46318 0 0.31313 2.45946 0 0.31392 2.45581 0 0.31472 2.45221 0 0.31552 2.44867 0 0.31633 2.44519 0 0.31714 2.44176 0 0.31795 2.43838 0 0.31877 2.43506 0 0.31959 2.43178 0 0.32041 2.42854 0 0.32124 2.42536 0 0.32208 2.42221 0 0.32292 2.41911 0 0.32376 2.41605 0 0.32461 2.41303 0 0.32546 2.41005 0 0.32632 2.40711 0 0.32718 2.40421 0 0.32804 2.40134 0 0.32891 2.39851 0 0.32979 2.39571 0 0.33067 2.39294 0 0.33155 2.39021 0 0.33244 2.38751 0 0.33333 2.38484 0 0.33423 2.38220 0 0.33514 2.37959 0 0.33604 2.37701 0 0.33696 2.37446 0 0.33787 2.37194 0 0.33880 2.36944 0 0.33973 2.36698 0 0.34066 2.36454 0 0.34160 2.36212 0 0.34254 2.35973 0 0.34349 2.35737 0 0.34444 2.35503 0 0.34540 2.35271 0 0.34637 2.35042 0 0.34734 2.34815 0 0.34831 2.34591 0 0.34930 2.34368 0 0.35028 2.34148 0 0.35127 2.33930 0 0.35227 2.33715 0 0.35328 2.33501 0 0.35429 2.33289 0 0.35530 2.33080 0 0.35632 2.32872 0 0.35735 2.32667 0 0.35838 2.32463 0 0.35942 2.32261 0 0.36047 2.32061 0 0.36152 2.31863 0 0.36257 2.31667 0 0.36364 2.31473 0 0.36471 2.31280 0 0.36578 2.31089 0 0.36686 2.30900 0 0.36795 2.30713 0 0.36905 2.30527 0 0.37015 2.30343 0 0.37126 2.30160 0 0.37237 2.29979 0 0.37349 2.29800 0 0.37462 2.29622 0 0.37576 2.29446 0 0.37690 2.29271 0 0.37805 2.29098 0 0.37920 2.28926 0 0.38037 2.28756 0 0.38154 2.28587 0 0.38272 2.28420 0 0.38390 2.28254 0 0.38509 2.28089 0 0.38629 2.27926 0 0.38750 2.27764 0 0.38871 2.27604 0 0.38994 2.27445 0 0.39117 2.27287 0 0.39241 2.27130 0 0.39365 2.26975 0 0.39490 2.26821 0 0.39617 2.26668 0 0.39744 2.26516 0 0.39871 2.26366 0 0.40000 2.26217 0 0.40129 2.26069 0 0.40260 2.25922 0 0.40391 2.25776 0 0.40523 2.25632 0 0.40656 2.25488 0 0.40789 2.25346 0 0.40924 2.25205 0 0.41060 2.25065 0 0.41196 2.24926 0 0.41333 2.24788 0 0.41472 2.24651 0 0.41611 2.24515 0 0.41751 2.24381 0 0.41892 2.24247 0 0.42034 2.24114 0 0.42177 2.23983 0 0.42321 2.23852 0 0.42466 2.23722 0 0.42612 2.23594 0 0.42759 2.23466 0 0.42907 2.23339 0 0.43056 2.23213 0 0.43206 2.23089 0 0.43357 2.22965 0 0.43509 2.22842 0 0.43662 2.22720 0 0.43816 2.22599 0 0.43972 2.22478 0 0.44128 2.22359 0 0.44286 2.22240 0 0.44444 2.22123 0 0.44604 2.22006 0 0.44765 2.21890 0 0.44928 2.21775 0 0.45091 2.21661 0 0.45255 2.21547 0 0.45421 2.21435 0 0.45588 2.21323 0 0.45756 2.21212 0 0.45926 2.21102 0 0.46097 2.20993 0 0.46269 2.20884 0 0.46442 2.20777 0 0.46617 2.20670 0 0.46792 2.20563 0 0.46970 2.20458 0 0.47148 2.20353 0 0.47328 2.20250 0 0.47510 2.20146 0 0.47692 2.20044 0 0.47876 2.19942 0 0.48062 2.19841 0 0.48249 2.19741 0 0.48438 2.19641 0 0.48627 2.19543 0 0.48819 2.19445 0 0.49012 2.19347 0 0.49206 2.19250 0 0.49402 2.19154 0 0.49600 2.19059 0 0.49799 2.18964 0 0.50000 2.18870 0 0.50202 2.18777 0 0.50407 2.18684 0 0.50612 2.18592 0 0.50820 2.18501 0 0.51029 2.18410 0 0.51240 2.18320 0 0.51452 2.18231 0 0.51667 2.18142 0 0.51883 2.18054 0 0.52101 2.17966 0 0.52321 2.17879 0 0.52542 2.17793 0 0.52766 2.17707 0 0.52991 2.17622 0 0.53219 2.17537 0 0.53448 2.17453 0 0.53680 2.17370 0 0.53913 2.17287 0 0.54148 2.17205 0 0.54386 2.17124 0 0.54626 2.17043 0 0.54867 2.16962 0 0.55111 2.16882 0 0.55357 2.16803 0 0.55605 2.16724 0 0.55856 2.16646 0 0.56109 2.16568 0 0.56364 2.16491 0 0.56621 2.16415 0 0.56881 2.16339 0 0.57143 2.16263 0 0.57407 2.16188 0 0.57674 2.16114 0 0.57944 2.16040 0 0.58216 2.15967 0 0.58491 2.15894 0 0.58768 2.15821 0 0.59048 2.15750 0 0.59330 2.15678 0 0.59615 2.15608 0 0.59903 2.15537 0 0.60194 2.15468 0 0.60488 2.15398 0 0.60784 2.15330 0 0.61084 2.15261 0 0.61386 2.15193 0 0.61692 2.15126 0 0.62000 2.15059 0 0.62312 2.14993 0 0.62626 2.14927 0 0.62944 2.14862 0 0.63265 2.14797 0 0.63590 2.14732 0 0.63918 2.14668 0 0.64249 2.14605 0 0.64583 2.14542 0 0.64921 2.14479 0 0.65263 2.14417 0 0.65608 2.14355 0 0.65957 2.14294 0 0.66310 2.14233 0 0.66667 2.14173 0 0.67027 2.14113 0 0.67391 2.14054 0 0.67760 2.13995 0 0.68132 2.13936 0 0.68508 2.13878 0 0.68889 2.13820 0 0.69274 2.13763 0 0.69663 2.13706 0 0.70056 2.13650 0 0.70455 2.13594 0 0.70857 2.13538 0 0.71264 2.13483 0 0.71676 2.13429 0 0.72093 2.13374 0 0.72515 2.13320 0 0.72941 2.13267 0 0.73373 2.13214 0 0.73810 2.13161 0 0.74251 2.13109 0 0.74699 2.13057 0 0.75152 2.13006 0 0.75610 2.12954 0 0.76074 2.12904 0 0.76543 2.12854 0 0.77019 2.12804 0 0.77500 2.12754 0 0.77987 2.12705 0 0.78481 2.12656 0 0.78981 2.12608 0 0.79487 2.12560 0 0.80000 2.12513 0 0.80519 2.12465 0 0.81046 2.12419 0 0.81579 2.12372 0 0.82119 2.12326 0 0.82667 2.12281 0 0.83221 2.12235 0 0.83784 2.12190 0 0.84354 2.12146 0 0.84932 2.12102 0 0.85517 2.12058 0 0.86111 2.12015 0 0.86713 2.11971 0 0.87324 2.11929 0 0.87943 2.11886 0 0.88571 2.11844 0 0.89209 2.11803 0 0.89855 2.11762 0 0.90511 2.11721 0 0.91176 2.11680 0 0.91852 2.11640 0 0.92537 2.11600 0 0.93233 2.11561 0 0.93939 2.11521 0 0.94656 2.11483 0 0.95385 2.11444 0 0.96124 2.11406 0 0.96875 2.11368 0 0.97638 2.11331 0 0.98413 2.11294 0 0.99200 2.11257 0 1.00000 2.11220 0 1.00813 2.11184 0 1.01639 2.11149 0 1.02479 2.11113 0 1.03333 2.11078 0 1.04202 2.11043 0 1.05085 2.11009 0 1.05983 2.10975 0 1.06897 2.10941 0 1.07826 2.10908 0 1.08772 2.10875 0 1.09735 2.10842 0 1.10714 2.10810 0 1.11712 2.10777 0 1.12727 2.10746 0 1.13761 2.10714 0 1.14815 2.10683 0 1.15888 2.10652 0 1.16981 2.10622 0 1.18095 2.10591 0 1.19231 2.10562 0 1.20388 2.10532 0 1.21569 2.10503 0 1.22772 2.10474 0 1.24000 2.10445 0