# Optical constants for Ta created by PTB
# Reconstructed from reflection measurements in the wavelength range 5 - 24 nm
# 30 nm Ta thin film on Si (measured 12/2020)
# n = (1-delta) - (i*beta)
# 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	0.99084	0.01225	0.99067	0.99101	0.01209	0.01241
5.25	0.99079	0.01309	0.99062	0.99096	0.01295	0.01325
5.5	0.99007	0.01361	0.98988	0.99025	0.01346	0.01375
5.75	0.98927	0.01429	0.98908	0.98945	0.01412	0.01445
6.0	0.98864	0.01514	0.98844	0.98884	0.01498	0.01531
6.25	0.98802	0.01597	0.98783	0.98824	0.0158	0.01614
6.5	0.9876	0.01693	0.98738	0.98779	0.01676	0.01713
6.75	0.98715	0.01777	0.98691	0.98737	0.01757	0.01796
7.0	0.98671	0.0187	0.98647	0.98693	0.01849	0.01888
7.25	0.98614	0.01943	0.98588	0.98636	0.01924	0.01964
7.5	0.98547	0.02012	0.98523	0.98575	0.01991	0.0203
7.75	0.98469	0.02055	0.98447	0.98495	0.02034	0.02072
8.0	0.98382	0.02093	0.98359	0.98407	0.02074	0.02114
8.25	0.98303	0.02142	0.98278	0.98332	0.02118	0.0216
8.5	0.98232	0.02196	0.98209	0.98257	0.02175	0.02217
8.75	0.98141	0.02249	0.98115	0.98166	0.02228	0.02272
9.0	0.98056	0.02311	0.98026	0.98084	0.02292	0.02331
9.25	0.97989	0.02403	0.97961	0.98015	0.02381	0.02422
9.5	0.97911	0.02452	0.97884	0.97934	0.02433	0.02469
9.75	0.9781	0.02496	0.97784	0.97838	0.02476	0.02518
10.0	0.97712	0.02562	0.97688	0.97741	0.02539	0.02585
10.25	0.97638	0.02635	0.97615	0.97663	0.02614	0.0266
10.5	0.97543	0.02707	0.97518	0.97566	0.02688	0.02726
10.75	0.97411	0.02736	0.97389	0.97435	0.02713	0.02759
11.0	0.9727	0.02791	0.97245	0.97297	0.02771	0.02815
11.25	0.97131	0.02867	0.97106	0.97156	0.02846	0.02889
11.5	0.96988	0.02953	0.96968	0.97011	0.02935	0.02976
11.75	0.96872	0.02997	0.96848	0.96896	0.02975	0.03021
12.0	0.96659	0.0306	0.96633	0.96689	0.03039	0.0308
12.25	0.96557	0.03225	0.96528	0.96586	0.03202	0.03247
12.5	0.96366	0.03144	0.96338	0.96392	0.0312	0.03172
12.75	0.96201	0.0321	0.96174	0.96227	0.03184	0.03239
13.0	0.96027	0.03262	0.95996	0.96051	0.03239	0.03285
13.25	0.9584	0.03302	0.95815	0.95866	0.03281	0.03329
13.5	0.95638	0.03348	0.95607	0.95668	0.03323	0.03373
13.75	0.95411	0.0339	0.95382	0.95438	0.03365	0.03417
14.0	0.95169	0.03439	0.95143	0.95199	0.03415	0.03465
14.25	0.94903	0.03495	0.94875	0.94928	0.03471	0.03519
14.5	0.94613	0.03558	0.94585	0.94643	0.03534	0.03581
14.75	0.94315	0.03622	0.94284	0.94348	0.03597	0.03647
15.0	0.94012	0.037	0.93978	0.94047	0.03671	0.03729
15.25	0.937	0.03799	0.93666	0.93736	0.03771	0.03829
15.5	0.93375	0.03918	0.93342	0.9341	0.0389	0.0395
15.75	0.9303	0.04056	0.92997	0.93066	0.04026	0.04086
16.0	0.92672	0.04214	0.92635	0.92709	0.04187	0.04243
16.25	0.92299	0.04394	0.92256	0.92343	0.04362	0.04426
16.5	0.91916	0.04601	0.91874	0.91952	0.04567	0.04634
16.75	0.91527	0.04838	0.91481	0.91567	0.04807	0.04873
17.0	0.91139	0.05099	0.91101	0.9118	0.05063	0.0513
17.25	0.90751	0.05405	0.90706	0.90792	0.05364	0.05442
17.5	0.9036	0.05738	0.90316	0.90403	0.05707	0.0578
17.75	0.89962	0.06085	0.89913	0.90003	0.06045	0.06121
18.0	0.89537	0.0646	0.89483	0.89598	0.06426	0.06499
18.25	0.89103	0.06868	0.89043	0.89165	0.06822	0.06911
18.5	0.88629	0.07282	0.88561	0.88702	0.07227	0.07331
18.75	0.88178	0.07749	0.88092	0.88249	0.07685	0.07817
19.0	0.87731	0.08255	0.87653	0.87804	0.08187	0.08324
19.25	0.87296	0.08796	0.87204	0.87378	0.08708	0.08877
19.5	0.86877	0.09386	0.86759	0.8697	0.09292	0.09471
19.75	0.86462	0.10027	0.86352	0.86563	0.09923	0.10121
20.0	0.86097	0.10729	0.85993	0.86204	0.10631	0.10822
20.25	0.85754	0.11472	0.85647	0.85876	0.11378	0.11572
20.5	0.85472	0.12259	0.85347	0.85582	0.12162	0.1236
20.75	0.8522	0.13098	0.85104	0.85339	0.12995	0.13225
21.0	0.85053	0.13973	0.84932	0.85179	0.13875	0.14089
21.25	0.84902	0.14846	0.84754	0.85029	0.14737	0.14952
21.5	0.84811	0.15737	0.84663	0.84971	0.15632	0.1586
21.75	0.84769	0.16659	0.84624	0.84925	0.16544	0.16768
22.0	0.84766	0.17569	0.84597	0.84923	0.17448	0.17687
22.25	0.84763	0.18408	0.84585	0.84918	0.18294	0.18532
22.5	0.84859	0.19191	0.84674	0.85048	0.1905	0.19328
22.75	0.85031	0.1985	0.84808	0.85266	0.197	0.19976
23.0	0.85237	0.20405	0.85017	0.85484	0.20264	0.20551
23.25	0.8563	0.2078	0.85393	0.85855	0.20631	0.209
23.5	0.86132	0.20996	0.8591	0.86335	0.20865	0.21151
23.75	0.86603	0.2099	0.86382	0.86814	0.20856	0.21117
24.0	0.86884	0.20849	0.86616	0.87114	0.20698	0.20973