# 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 Ta<sub>2</sub>O<sub>5</sub> thin films via radio frequency magnetron sputtering for high-refractive index transparent materials.
    <a href="https://doi.org/10.1016/j.jallcom.2025.183273"><i> J. Alloys Compd.</i> <b>1040</b>, 183273 (2025)</a>
    (Numerical data kindly provided by Julien Cardin)
COMMENTS: |
    Ta<sub>2</sub>O<sub>5</sub> amorphous thin film.
    Deposited by radio frequency magnetron sputtering
    at sputtering power density 4.38 W/cm<sup>2</sup>
    under oxygen flow of 12 sccm.
    As deposited.
DATA:
  - type: tabulated nk
    data: |
        0.20667 2.52354 1.39776
        0.20701 2.53202 1.39358
        0.20736 2.54051 1.38930
        0.20771 2.54899 1.38492
        0.20805 2.55746 1.38042
        0.20840 2.56592 1.37581
        0.20875 2.57437 1.37109
        0.20911 2.58282 1.36626
        0.20946 2.59124 1.36132
        0.20981 2.59965 1.35627
        0.21017 2.60804 1.35110
        0.21053 2.61641 1.34581
        0.21088 2.62476 1.34041
        0.21124 2.63309 1.33490
        0.21160 2.64138 1.32927
        0.21197 2.64965 1.32352
        0.21233 2.65789 1.31765
        0.21269 2.66609 1.31167
        0.21306 2.67426 1.30556
        0.21343 2.68239 1.29934
        0.21379 2.69048 1.29300
        0.21416 2.69852 1.28655
        0.21453 2.70652 1.27997
        0.21490 2.71447 1.27327
        0.21528 2.72237 1.26646
        0.21565 2.73021 1.25952
        0.21603 2.73800 1.25247
        0.21640 2.74573 1.24530
        0.21678 2.75340 1.23800
        0.21716 2.76101 1.23059
        0.21754 2.76855 1.22307
        0.21793 2.77602 1.21542
        0.21831 2.78342 1.20766
        0.21869 2.79074 1.19978
        0.21908 2.79798 1.19179
        0.21947 2.80515 1.18368
        0.21986 2.81223 1.17546
        0.22025 2.81923 1.16712
        0.22064 2.82614 1.15868
        0.22103 2.83295 1.15012
        0.22143 2.83967 1.14145
        0.22182 2.84630 1.13267
        0.22222 2.85283 1.12379
        0.22262 2.85925 1.11480
        0.22302 2.86557 1.10571
        0.22342 2.87178 1.09651
        0.22383 2.87788 1.08721
        0.22423 2.88387 1.07782
        0.22464 2.88975 1.06833
        0.22505 2.89550 1.05874
        0.22545 2.90114 1.04905
        0.22587 2.90665 1.03928
        0.22628 2.91204 1.02942
        0.22669 2.91730 1.01947
        0.22711 2.92243 1.00944
        0.22752 2.92743 0.99932
        0.22794 2.93230 0.98912
        0.22836 2.93703 0.97885
        0.22878 2.94162 0.96850
        0.22921 2.94607 0.95809
        0.22963 2.95037 0.94760
        0.23006 2.95454 0.93704
        0.23048 2.95855 0.92643
        0.23091 2.96242 0.91575
        0.23134 2.96614 0.90502
        0.23178 2.96971 0.89423
        0.23221 2.97313 0.88339
        0.23265 2.97639 0.87250
        0.23308 2.97950 0.86157
        0.23352 2.98245 0.85059
        0.23396 2.98525 0.83958
        0.23440 2.98788 0.82853
        0.23485 2.99036 0.81746
        0.23529 2.99268 0.80635
        0.23574 2.99483 0.79522
        0.23619 2.99683 0.78407
        0.23664 2.99866 0.77290
        0.23709 3.00033 0.76172
        0.23755 3.00184 0.75052
        0.23800 3.00318 0.73932
        0.23846 3.00436 0.72812
        0.23892 3.00538 0.71691
        0.23938 3.00624 0.70571
        0.23985 3.00693 0.69451
        0.24031 3.00746 0.68333
        0.24078 3.00783 0.67216
        0.24125 3.00803 0.66101
        0.24172 3.00808 0.64987
        0.24219 3.00796 0.63877
        0.24266 3.00768 0.62768
        0.24314 3.00725 0.61663
        0.24361 3.00665 0.60562
        0.24409 3.00590 0.59464
        0.24458 3.00500 0.58370
        0.24506 3.00393 0.57281
        0.24554 3.00272 0.56196
        0.24603 3.00135 0.55117
        0.24652 2.99983 0.54043
        0.24701 2.99816 0.52974
        0.24750 2.99635 0.51911
        0.24800 2.99439 0.50855
        0.24850 2.99228 0.49805
        0.24900 2.99003 0.48762
        0.24950 2.98764 0.47726
        0.25000 2.98512 0.46697
        0.25051 2.98245 0.45676
        0.25101 2.97965 0.44663
        0.25152 2.97672 0.43658
        0.25203 2.97365 0.42661
        0.25255 2.97046 0.41672
        0.25306 2.96714 0.40693
        0.25358 2.96370 0.39723
        0.25410 2.96014 0.38761
        0.25462 2.95645 0.37810
        0.25514 2.95265 0.36867
        0.25567 2.94874 0.35935
        0.25620 2.94471 0.35013
        0.25673 2.94058 0.34101
        0.25726 2.93633 0.33199
        0.25780 2.93198 0.32308
        0.25833 2.92753 0.31427
        0.25887 2.92298 0.30558
        0.25941 2.91833 0.29699
        0.25996 2.91359 0.28851
        0.26050 2.90875 0.28015
        0.26105 2.90383 0.27190
        0.26160 2.89882 0.26377
        0.26216 2.89372 0.25575
        0.26271 2.88855 0.24785
        0.26327 2.88329 0.24006
        0.26383 2.87796 0.23240
        0.26439 2.87255 0.22486
        0.26496 2.86707 0.21743
        0.26552 2.86152 0.21013
        0.26609 2.85591 0.20295
        0.26667 2.85024 0.19590
        0.26724 2.84450 0.18896
        0.26782 2.83870 0.18215
        0.26840 2.83285 0.17547
        0.26898 2.82695 0.16891
        0.26957 2.82099 0.16247
        0.27015 2.81499 0.15617
        0.27074 2.80894 0.14998
        0.27133 2.80284 0.14393
        0.27193 2.79671 0.13800
        0.27253 2.79054 0.13219
        0.27313 2.78433 0.12652
        0.27373 2.77809 0.12097
        0.27434 2.77181 0.11555
        0.27494 2.76551 0.11025
        0.27556 2.75919 0.10508
        0.27617 2.75284 0.10004
        0.27679 2.74647 0.09513
        0.27740 2.74007 0.09034
        0.27803 2.73367 0.08569
        0.27865 2.72725 0.08115
        0.27928 2.72081 0.07675
        0.27991 2.71437 0.07247
        0.28054 2.70792 0.06832
        0.28118 2.70147 0.06429
        0.28182 2.69501 0.06039
        0.28246 2.68855 0.05661
        0.28311 2.68210 0.05297
        0.28375 2.67565 0.04944
        0.28440 2.66921 0.04604
        0.28506 2.66278 0.04277
        0.28571 2.65636 0.03962
        0.28637 2.64995 0.03659
        0.28704 2.64356 0.03369
        0.28770 2.63719 0.03091
        0.28837 2.63085 0.02825
        0.28904 2.62452 0.02571
        0.28972 2.61823 0.02330
        0.29040 2.61196 0.02101
        0.29108 2.60573 0.01884
        0.29176 2.59953 0.01679
        0.29245 2.59337 0.01486
        0.29314 2.58725 0.01305
        0.29384 2.58118 0.01137
        0.29454 2.57515 0.00980
        0.29524 2.56917 0.00834
        0.29594 2.56325 0.00701
        0.29665 2.55738 0.00579
        0.29736 2.55158 0.00470
        0.29808 2.54584 0.00371
        0.29880 2.54018 0.00285
        0.29952 2.53459 0.00210
        0.30024 2.52908 0.00146
        0.30097 2.52366 9.44135E-4
        0.30170 2.51834 5.38354E-4
        0.30244 2.51313 2.46196E-4
        0.30318 2.50804 6.71035E-5
        0.30392 2.50310 4.98364E-7
        0.30467 2.49835 0
        0.30542 2.49377 0
        0.30617 2.48931 0
        0.30693 2.48496 0
        0.30769 2.48071 0
        0.30846 2.47655 0
        0.30923 2.47248 0
        0.31000 2.46849 0
        0.31078 2.46458 0
        0.31156 2.46073 0
        0.31234 2.45696 0
        0.31313 2.45325 0
        0.31392 2.44960 0
        0.31472 2.44601 0
        0.31552 2.44248 0
        0.31633 2.43900 0
        0.31714 2.43558 0
        0.31795 2.43221 0
        0.31877 2.42889 0
        0.31959 2.42562 0
        0.32041 2.42239 0
        0.32124 2.41921 0
        0.32208 2.41607 0
        0.32292 2.41298 0
        0.32376 2.40993 0
        0.32461 2.40691 0
        0.32546 2.40394 0
        0.32632 2.40101 0
        0.32718 2.39811 0
        0.32804 2.39525 0
        0.32891 2.39242 0
        0.32979 2.38963 0
        0.33067 2.38687 0
        0.33155 2.38415 0
        0.33244 2.38146 0
        0.33333 2.37880 0
        0.33423 2.37617 0
        0.33514 2.37357 0
        0.33604 2.37100 0
        0.33696 2.36846 0
        0.33787 2.36594 0
        0.33880 2.36346 0
        0.33973 2.36100 0
        0.34066 2.35857 0
        0.34160 2.35617 0
        0.34254 2.35379 0
        0.34349 2.35143 0
        0.34444 2.34910 0
        0.34540 2.34680 0
        0.34637 2.34452 0
        0.34734 2.34226 0
        0.34831 2.34003 0
        0.34930 2.33782 0
        0.35028 2.33563 0
        0.35127 2.33346 0
        0.35227 2.33131 0
        0.35328 2.32919 0
        0.35429 2.32709 0
        0.35530 2.32500 0
        0.35632 2.32294 0
        0.35735 2.32090 0
        0.35838 2.31887 0
        0.35942 2.31687 0
        0.36047 2.31488 0
        0.36152 2.31291 0
        0.36257 2.31097 0
        0.36364 2.30903 0
        0.36471 2.30712 0
        0.36578 2.30523 0
        0.36686 2.30335 0
        0.36795 2.30149 0
        0.36905 2.29964 0
        0.37015 2.29781 0
        0.37126 2.29600 0
        0.37237 2.29421 0
        0.37349 2.29243 0
        0.37462 2.29066 0
        0.37576 2.28892 0
        0.37690 2.28718 0
        0.37805 2.28547 0
        0.37920 2.28376 0
        0.38037 2.28207 0
        0.38154 2.28040 0
        0.38272 2.27874 0
        0.38390 2.27709 0
        0.38509 2.27546 0
        0.38629 2.27384 0
        0.38750 2.27224 0
        0.38871 2.27065 0
        0.38994 2.26907 0
        0.39117 2.26751 0
        0.39241 2.26595 0
        0.39365 2.26442 0
        0.39490 2.26289 0
        0.39617 2.26138 0
        0.39744 2.25987 0
        0.39871 2.25838 0
        0.40000 2.25691 0
        0.40129 2.25544 0
        0.40260 2.25399 0
        0.40391 2.25255 0
        0.40523 2.25111 0
        0.40656 2.24970 0
        0.40789 2.24829 0
        0.40924 2.24689 0
        0.41060 2.24550 0
        0.41196 2.24413 0
        0.41333 2.24277 0
        0.41472 2.24141 0
        0.41611 2.24007 0
        0.41751 2.23874 0
        0.41892 2.23741 0
        0.42034 2.23610 0
        0.42177 2.23480 0
        0.42321 2.23351 0
        0.42466 2.23223 0
        0.42612 2.23095 0
        0.42759 2.22969 0
        0.42907 2.22844 0
        0.43056 2.22719 0
        0.43206 2.22596 0
        0.43357 2.22473 0
        0.43509 2.22352 0
        0.43662 2.22231 0
        0.43816 2.22111 0
        0.43972 2.21993 0
        0.44128 2.21875 0
        0.44286 2.21758 0
        0.44444 2.21641 0
        0.44604 2.21526 0
        0.44765 2.21412 0
        0.44928 2.21298 0
        0.45091 2.21185 0
        0.45255 2.21073 0
        0.45421 2.20962 0
        0.45588 2.20852 0
        0.45756 2.20742 0
        0.45926 2.20633 0
        0.46097 2.20525 0
        0.46269 2.20418 0
        0.46442 2.20312 0
        0.46617 2.20206 0
        0.46792 2.20102 0
        0.46970 2.19998 0
        0.47148 2.19894 0
        0.47328 2.19792 0
        0.47510 2.19690 0
        0.47692 2.19589 0
        0.47876 2.19488 0
        0.48062 2.19389 0
        0.48249 2.19290 0
        0.48438 2.19192 0
        0.48627 2.19094 0
        0.48819 2.18997 0
        0.49012 2.18901 0
        0.49206 2.18806 0
        0.49402 2.18711 0
        0.49600 2.18617 0
        0.49799 2.18524 0
        0.50000 2.18431 0
        0.50202 2.18339 0
        0.50407 2.18248 0
        0.50612 2.18157 0
        0.50820 2.18067 0
        0.51029 2.17977 0
        0.51240 2.17889 0
        0.51452 2.17800 0
        0.51667 2.17713 0
        0.51883 2.17626 0
        0.52101 2.17540 0
        0.52321 2.17454 0
        0.52542 2.17369 0
        0.52766 2.17284 0
        0.52991 2.17200 0
        0.53219 2.17117 0
        0.53448 2.17034 0
        0.53680 2.16952 0
        0.53913 2.16871 0
        0.54148 2.16790 0
        0.54386 2.16709 0
        0.54626 2.16630 0
        0.54867 2.16550 0
        0.55111 2.16472 0
        0.55357 2.16393 0
        0.55605 2.16316 0
        0.55856 2.16239 0
        0.56109 2.16162 0
        0.56364 2.16087 0
        0.56621 2.16011 0
        0.56881 2.15936 0
        0.57143 2.15862 0
        0.57407 2.15788 0
        0.57674 2.15715 0
        0.57944 2.15642 0
        0.58216 2.15570 0
        0.58491 2.15498 0
        0.58768 2.15427 0
        0.59048 2.15356 0
        0.59330 2.15286 0
        0.59615 2.15217 0
        0.59903 2.15147 0
        0.60194 2.15079 0
        0.60488 2.15011 0
        0.60784 2.14943 0
        0.61084 2.14876 0
        0.61386 2.14809 0
        0.61692 2.14743 0
        0.62000 2.14677 0
        0.62312 2.14612 0
        0.62626 2.14547 0
        0.62944 2.14483 0
        0.63265 2.14419 0
        0.63590 2.14355 0
        0.63918 2.14292 0
        0.64249 2.14230 0
        0.64583 2.14168 0
        0.64921 2.14106 0
        0.65263 2.14045 0
        0.65608 2.13984 0
        0.65957 2.13924 0
        0.66310 2.13864 0
        0.66667 2.13805 0
        0.67027 2.13746 0
        0.67391 2.13688 0
        0.67760 2.13630 0
        0.68132 2.13572 0
        0.68508 2.13515 0
        0.68889 2.13458 0
        0.69274 2.13402 0
        0.69663 2.13346 0
        0.70056 2.13291 0
        0.70455 2.13236 0
        0.70857 2.13181 0
        0.71264 2.13127 0
        0.71676 2.13073 0
        0.72093 2.13020 0
        0.72515 2.12967 0
        0.72941 2.12914 0
        0.73373 2.12862 0
        0.73810 2.12810 0
        0.74251 2.12759 0
        0.74699 2.12708 0
        0.75152 2.12657 0
        0.75610 2.12607 0
        0.76074 2.12557 0
        0.76543 2.12508 0
        0.77019 2.12459 0
        0.77500 2.12410 0
        0.77987 2.12362 0
        0.78481 2.12314 0
        0.78981 2.12267 0
        0.79487 2.12219 0
        0.80000 2.12173 0
        0.80519 2.12126 0
        0.81046 2.12080 0
        0.81579 2.12035 0
        0.82119 2.11990 0
        0.82667 2.11945 0
        0.83221 2.11900 0
        0.83784 2.11856 0
        0.84354 2.11812 0
        0.84932 2.11769 0
        0.85517 2.11726 0
        0.86111 2.11683 0
        0.86713 2.11641 0
        0.87324 2.11599 0
        0.87943 2.11558 0
        0.88571 2.11516 0
        0.89209 2.11475 0
        0.89855 2.11435 0
        0.90511 2.11395 0
        0.91176 2.11355 0
        0.91852 2.11315 0
        0.92537 2.11276 0
        0.93233 2.11237 0
        0.93939 2.11199 0
        0.94656 2.11161 0
        0.95385 2.11123 0
        0.96124 2.11086 0
        0.96875 2.11049 0
        0.97638 2.11012 0
        0.98413 2.10975 0
        0.99200 2.10939 0
        1.00000 2.10904 0
        1.00813 2.10868 0
        1.01639 2.10833 0
        1.02479 2.10798 0
        1.03333 2.10764 0
        1.04202 2.10730 0
        1.05085 2.10696 0
        1.05983 2.10662 0
        1.06897 2.10629 0
        1.07826 2.10597 0
        1.08772 2.10564 0
        1.09735 2.10532 0
        1.10714 2.10500 0
        1.11712 2.10468 0
        1.12727 2.10437 0
        1.13761 2.10406 0
        1.14815 2.10376 0
        1.15888 2.10346 0
        1.16981 2.10316 0
        1.18095 2.10286 0
        1.19231 2.10257 0
        1.20388 2.10228 0
        1.21569 2.10199 0
        1.22772 2.10171 0
        1.24000 2.10142 0