# Optical constants for V created by PTB # Determined from reflection measurements in the wavelength range 5.0 - 40.0 nm # 40 nm V thin film in a multilayer on Si (C/ V/ Ru/ Si) (measured 07/2025) # n = (1-delta) - (i*beta) # Citation: Q. Saadeh, A. Sokolov, M. Störmer, et al., "Optical constants of Sc, V, Cr, Co, Ni, Nb, Mo, Rh, Pd, Hf, W, Re, Os, Ir, Pt, Au, and ZrO2 in the extreme ultraviolet range," Opt. Express 34(15), 28239-28292 (2026). # The values are provided with their 3-sigma uncertainty bounds. HB: Higher Bound. LB: Lower Bound. # lambda/nm 1-delta beta 1-delta_LB 1-delta_HB beta_LB beta_HB # ------------------------ 5.0 0.99034 0.0027 0.99041 0.99029 0.00264 0.00275 5.5 0.98853 0.00379 0.98859 0.98846 0.00372 0.00385 6.0 0.98654 0.00469 0.98661 0.98647 0.00462 0.00476 6.5 0.98444 0.00555 0.98451 0.98437 0.00548 0.00563 7.0 0.9818 0.00665 0.98189 0.98173 0.00657 0.00674 7.1 0.98125 0.00697 0.98134 0.98117 0.00688 0.00705 7.2 0.98078 0.00728 0.98087 0.9807 0.0072 0.00737 7.3 0.98034 0.00756 0.98042 0.98025 0.00747 0.00764 7.4 0.97992 0.00782 0.98001 0.97983 0.00773 0.00791 7.5 0.97952 0.00807 0.97961 0.97942 0.00798 0.00817 7.6 0.97914 0.00831 0.97925 0.97903 0.00822 0.00841 7.7 0.97876 0.00853 0.97888 0.97863 0.00842 0.00861 7.8 0.97833 0.00874 0.97845 0.97821 0.00864 0.00884 7.9 0.97787 0.00899 0.978 0.97774 0.00889 0.0091 8.0 0.97737 0.00927 0.97752 0.97722 0.00916 0.00937 8.5 0.97512 0.01071 0.97523 0.97502 0.0106 0.01082 9.0 0.97275 0.01159 0.97286 0.97264 0.01148 0.01169 9.5 0.96946 0.0126 0.96958 0.96934 0.01249 0.01271 10.0 0.96583 0.01451 0.96599 0.96569 0.01438 0.01463 10.5 0.96333 0.01624 0.9635 0.96316 0.01608 0.01639 11.0 0.96025 0.01724 0.96044 0.96006 0.01708 0.01738 11.5 0.95673 0.01875 0.95693 0.95652 0.01858 0.01891 12.0 0.9532 0.02054 0.95341 0.95299 0.02036 0.02072 12.5 0.94961 0.02117 0.94983 0.94939 0.021 0.02135 13.0 0.94478 0.02245 0.94502 0.94454 0.02228 0.02262 13.5 0.93878 0.02413 0.93904 0.93853 0.02396 0.02431 14.0 0.93268 0.02726 0.93298 0.93236 0.02702 0.02749 14.5 0.92755 0.03102 0.92787 0.92722 0.03074 0.03128 15.0 0.92308 0.03406 0.92346 0.92268 0.03378 0.03436 15.5 0.91754 0.03625 0.91799 0.91709 0.03589 0.03661 16.0 0.91048 0.03862 0.91095 0.90998 0.03822 0.03897 16.5 0.90258 0.04214 0.90316 0.90199 0.04176 0.04254 17.0 0.89266 0.04812 0.89328 0.89199 0.04764 0.04862 17.5 0.88138 0.0547 0.88209 0.88063 0.05417 0.05522 18.0 0.87028 0.06405 0.87109 0.8694 0.06335 0.06478 18.5 0.86037 0.07642 0.86146 0.85925 0.0755 0.07732 19.0 0.85273 0.09207 0.85431 0.85117 0.09058 0.09369 19.5 0.85083 0.11439 0.85275 0.84909 0.11279 0.11599 20.0 0.84855 0.13032 0.85077 0.84662 0.12865 0.13192 20.5 0.84935 0.15011 0.85186 0.8472 0.14847 0.15184 21.0 0.85069 0.16745 0.85341 0.84812 0.16582 0.16903 21.5 0.85464 0.18374 0.85787 0.85139 0.18192 0.18539 22.0 0.86091 0.19932 0.86424 0.85712 0.19754 0.20098 22.5 0.86922 0.21268 0.87515 0.8636 0.21048 0.215 23.0 0.87861 0.2257 0.88431 0.87333 0.22361 0.22785 23.5 0.88816 0.23719 0.89497 0.88199 0.23474 0.23955 24.0 0.90094 0.24876 0.9089 0.894 0.24657 0.25133 24.5 0.91472 0.25862 0.9226 0.90618 0.25626 0.26132 25.0 0.93186 0.26672 0.94054 0.92378 0.26415 0.26934 25.5 0.94674 0.26991 0.95559 0.93744 0.26682 0.27295 25.75 0.95515 0.2709 0.96427 0.94619 0.26744 0.27349 26.0 0.96297 0.2701 0.97145 0.9538 0.26695 0.27305 26.25 0.97116 0.26921 0.98046 0.96182 0.26594 0.27221 26.5 0.97682 0.26717 0.98702 0.96722 0.26405 0.27015 26.75 0.98339 0.26542 0.99339 0.97379 0.26199 0.26918 27.0 0.9874 0.26462 0.99705 0.97696 0.26095 0.26807 27.25 0.9935 0.26457 1.00252 0.98324 0.26064 0.26864 27.5 0.99908 0.26561 1.00882 0.98754 0.26177 0.26951 27.75 1.00877 0.26643 1.01963 0.99719 0.262 0.27059 28.0 1.01851 0.2656 1.03091 1.00728 0.26099 0.27034 28.25 1.02923 0.26385 1.04087 1.01731 0.25922 0.26902 28.5 1.03977 0.25952 1.05079 1.02881 0.25359 0.26465 28.75 1.05001 0.25485 1.06197 1.03734 0.24941 0.26072 29.0 1.05814 0.24898 1.07011 1.04655 0.24231 0.25488 29.25 1.06738 0.24228 1.08015 1.0548 0.23535 0.24817 29.5 1.07304 0.23499 1.08576 1.06113 0.22821 0.24146 29.75 1.08136 0.2269 1.09377 1.07009 0.21886 0.23371 30.0 1.0884 0.21763 1.09994 1.07605 0.21033 0.22506 30.25 1.09742 0.20662 1.1091 1.08704 0.19788 0.21386 30.5 1.10281 0.19172 1.11426 1.09296 0.18291 0.19957 30.75 1.10501 0.1734 1.11405 1.09598 0.1642 0.18091 31.0 1.09991 0.15386 1.10771 1.09165 0.14705 0.16235 31.25 1.08919 0.1385 1.09563 1.08322 0.13208 0.14549 31.5 1.07562 0.12754 1.08132 1.07052 0.12219 0.13264 31.75 1.0643 0.12189 1.0693 1.05891 0.11681 0.1269 32.0 1.05531 0.11749 1.05984 1.04976 0.11316 0.12222 32.25 1.0493 0.11321 1.05344 1.04349 0.10925 0.11768 32.5 1.04266 0.10839 1.04794 1.03738 0.10428 0.11255 32.75 1.03594 0.10405 1.04057 1.03058 0.10039 0.10797 33.0 1.02795 0.1022 1.03344 1.0222 0.09838 0.10556 33.25 1.02488 0.10308 1.03061 1.01882 0.09899 0.10681 33.5 1.02511 0.10241 1.03061 1.01862 0.09855 0.10634 33.75 1.03032 0.0948 1.03511 1.02567 0.09161 0.09804 34.0 1.02212 0.07895 1.02599 1.0182 0.0765 0.08114 34.25 1.00563 0.07305 1.0087 1.00216 0.0708 0.07547 34.5 0.99144 0.07165 0.99417 0.98865 0.06929 0.07377 34.75 0.98082 0.07161 0.98338 0.97784 0.06903 0.07403 35.0 0.9721 0.07128 0.97461 0.96955 0.06887 0.07366 35.5 0.95792 0.0726 0.96107 0.95472 0.07011 0.07567 36.0 0.94612 0.0743 0.94931 0.94313 0.07161 0.0769 36.5 0.9352 0.077 0.93807 0.93249 0.07423 0.07961 37.0 0.92454 0.0795 0.92741 0.92189 0.07702 0.08215 37.5 0.91414 0.08275 0.91672 0.91166 0.08052 0.08532 38.0 0.90411 0.0854 0.90639 0.90159 0.08305 0.08791 38.5 0.8935 0.08808 0.89634 0.89109 0.08557 0.09047 39.0 0.88301 0.09064 0.88546 0.88053 0.0881 0.09318 39.5 0.87258 0.09376 0.87513 0.87004 0.09131 0.09624 40.0 0.86184 0.09623 0.86447 0.85904 0.0937 0.09857