Optical constants

Refractive index of TaSe₂ (Tantalum diselenide)

Munkhbat et al. 2022: multilayer flakes; n,k(e) 0.30–1.69 µm

Data: tabulated nk
Range: 0.3–1.69 µm
Points: 977
Optical axis: e
Licence: CC0-1.0

Uniaxial crystal, axes: oe

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 2.4548
Extinction coefficient k: 0.256242

Permittivity ε₁: 5.96039
Permittivity ε₂: 1.25805

Absorption coefficient α: 54799.8 cm⁻¹
Penetration depth δ = λ/(2πk): 364.965 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.883 µm⁻¹

Group index n_g: 2.97365
Group velocity dispersion: — fs²/mm

Dispersion parameter D: — ps/(nm·km)
Photon energy: 2.11001 eV

ε = (n + ik)², α = 4πk/λ, n_g = n − λ dn/dλ, GVD = λ³/(2πc²) d²n/dλ², D = −(λ/c) d²n/dλ². Group-velocity dispersion is given for formula data only.

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# TaSe2 (Tantalum diselenide): Munkhbat et al. 2022: multilayer flakes; n,k(e) 0.30–1.69 µm
tase2 = ls.fetch_refractiveindex("main", "TaSe2", "Munkhbat-e", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(tase2.range_nm)  # (300, 1690) nm
eps = tase2.eps([633])  # complex permittivity

Downloads the original record once (pinned to the imported snapshot) and caches it.

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_7ee61666c10c/lightsmith"
tase2 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(tase2.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (tase2/munkhbat-2022-e).

# ... load tase2 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=tase2)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=400, stop_nm=1000, num=81),
)
res = ls.solve(sim)  # exact Mie for a sphere
print(res.q_ext)     # extinction efficiency at each wavelength

Same spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).

Materials guide Open a sphere of it in Studio Quick start Ask the community

Lightsmith is open source (MIT): Mie, T-matrix, BEM, DDA, FDTD, RCWA, TMM, mode solvers and inverse design behind one spec, on CPU or GPU. GitHub.

Comments and conditions

Multilayer flakes. Out-of-plane (extraordinary ray, e). Room temperature.

Conditions

direction: e

References

B. Munkhbat, P. Wrobel, T. J. Antosiewicz, T. O. Shegai. Optical constants of several multilayer transition metal dichalcogenides spectroscopic ellipsometry in the 300–1700 nm range: High index, anisotropy, and hyperbolicity. ACS Photonics 9, 2398–2407 (2022) (Numerical data kindly provided by Tomasz Antosiewicz)

doi:10.1021/acsphotonics.2c00433 Optical Constants of Several Multilayer Transition Metal Dichalcogenides Measured by Spectroscopic Ellipsometry in the 300–1700 nm Range: High Index, Anisotropy, and Hyperbolicity, ACS Photonics (2022)

Cite

Battulga Munkhbat, Piotr Wróbel, Tomasz J. Antosiewicz and Timur O. Shegai. Optical Constants of Several Multilayer Transition Metal Dichalcogenides Measured by Spectroscopic Ellipsometry in the 300–1700 nm Range: High Index, Anisotropy, and Hyperbolicity. ACS Photonics, 9, 2398-2407 (2022), doi:10.1021/acsphotonics.2c00433; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

977 rows as published

CSV comma separated TXT tab separated YAML n, k Full database record original YAML All quantities CSV JSON metadata

TaSe2 (Tantalum diselenide), Munkhbat et al. 2022: multilayer flakes; n,k(e) 0.30–1.69 µm: n and k versus wavelength
λ (µm)	n	k
0.3	3.096724	0.209916
0.301	3.088687	0.2060626
0.302	3.080746	0.2023673
0.303	3.0729	0.1988249
0.304	3.065149	0.1954306
0.305	3.057493	0.1921797
0.306	3.04993	0.1890675
0.307	3.042461	0.1860897
0.308	3.035084	0.1832419
0.309	3.027799	0.1805202
0.31	3.020606	0.1779206
0.311	3.013502	0.1754393
0.312	3.006488	0.1730727
0.313	2.999563	0.1708172
0.314	2.992726	0.1686695
0.315	2.985976	0.1666262
0.316	2.979313	0.1646843
0.317	2.972734	0.1628407
0.318	2.966241	0.1610925
0.319	2.959831	0.1594368
0.32	2.953504	0.157871
0.321	2.947259	0.1563923
0.322	2.941096	0.1549983
0.323	2.935012	0.1536865
0.324	2.929009	0.1524545
0.325	2.923084	0.1513001
0.326	2.917237	0.1502211
0.327	2.911466	0.1492153
0.328	2.905773	0.1482806
0.329	2.900154	0.1474151
0.33	2.894611	0.1466168
0.331	2.889141	0.1458839
0.332	2.883745	0.1452146
0.333	2.878421	0.1446072
0.334	2.873169	0.1440599
0.335	2.867988	0.1435711
0.336	2.862877	0.1431393
0.337	2.857836	0.1427629
0.338	2.852864	0.1424404
0.339	2.847961	0.1421704
0.34	2.843125	0.1419515
0.341	2.838357	0.1417824
0.342	2.833655	0.1416618
0.343	2.82902	0.1415884
0.344	2.82445	0.1415609
0.345	2.819945	0.1415781
0.346	2.815505	0.141639
0.347	2.81113	0.1417424
0.348	2.806818	0.1418871
0.349	2.802569	0.1420721
0.35	2.798384	0.1422965
0.351	2.794262	0.1425591
0.352	2.790203	0.142859
0.353	2.786206	0.1431952
0.354	2.782271	0.1435668
0.355	2.778399	0.143973
0.356	2.77459	0.1444127
0.357	2.770843	0.1448851
0.358	2.767159	0.1453894
0.359	2.763538	0.1459247
0.36	2.759982	0.1464902
0.361	2.75649	0.147085
0.362	2.753065	0.1477083
0.363	2.749709	0.1483593
0.364	2.746427	0.1490368
0.365	2.743231	0.1497323
0.366	2.740112	0.1504249
0.367	2.737059	0.1511137
0.368	2.734065	0.151799
0.369	2.731128	0.1524809
0.37	2.728244	0.1531596
0.371	2.72541	0.1538351
0.372	2.722625	0.1545076
0.373	2.719885	0.155177
0.374	2.717191	0.1558435
0.375	2.714539	0.156507
0.376	2.711929	0.1571677
0.377	2.709358	0.1578256
0.378	2.706827	0.1584807
0.379	2.704333	0.159133
0.38	2.701875	0.1597826
0.381	2.699453	0.1604294
0.382	2.697065	0.1610736
0.383	2.694711	0.1617151
0.384	2.692389	0.162354
0.385	2.6901	0.1629902
0.386	2.68784	0.1636239
0.387	2.685611	0.164255
0.388	2.683412	0.1648835
0.389	2.681241	0.1655094
0.39	2.679097	0.1661328
0.391	2.676981	0.1667538
0.392	2.674892	0.1673722
0.393	2.672829	0.1679881
0.394	2.670791	0.1686015
0.395	2.668777	0.1692125
0.396	2.666788	0.169821
0.397	2.664823	0.1704272
0.398	2.662881	0.1710308
0.399	2.660962	0.1716321
0.4	2.659064	0.172231
0.401	2.657189	0.1728275
0.402	2.655334	0.1734216
0.403	2.653501	0.1740134
0.404	2.651688	0.1746028
0.405	2.649894	0.1751899
0.406	2.64812	0.1757746
0.407	2.646366	0.1763571
0.408	2.64463	0.1769372
0.409	2.642912	0.177515
0.41	2.641213	0.1780906
0.411	2.63953	0.1786639
0.412	2.637866	0.1792349
0.413	2.636218	0.1798037
0.414	2.634586	0.1803702
0.415	2.632971	0.1809345
0.416	2.631372	0.1814966
0.417	2.629789	0.1820565
0.418	2.628221	0.1826142
0.419	2.626667	0.1831697
0.42	2.625129	0.183723
0.421	2.623605	0.1842741
0.422	2.622095	0.1848232
0.423	2.620599	0.18537
0.424	2.619117	0.1859148
0.425	2.617648	0.1864574
0.426	2.616193	0.1869979
0.427	2.61475	0.1875363
0.428	2.61332	0.1880726
0.429	2.611902	0.1886069
0.43	2.610496	0.189139
0.431	2.609103	0.1896692
0.432	2.607721	0.1901973
0.433	2.60635	0.1907233
0.434	2.604991	0.1912473
0.435	2.603643	0.1917694
0.436	2.602306	0.1922894
0.437	2.600979	0.1928074
0.438	2.599663	0.1933235
0.439	2.598357	0.1938376
0.44	2.597062	0.1943498
0.441	2.595776	0.19486
0.442	2.5945	0.1953683
0.443	2.593233	0.1958747
0.444	2.591976	0.1963792
0.445	2.590728	0.1968818
0.446	2.589489	0.1973825
0.447	2.588259	0.1978814
0.448	2.587038	0.1983784
0.449	2.585825	0.1988735
0.45	2.58462	0.1993668
0.451	2.583424	0.1998583
0.452	2.582236	0.200348
0.453	2.581055	0.200836
0.454	2.579883	0.2013221
0.455	2.578718	0.2018065
0.456	2.57756	0.2022891
0.457	2.57641	0.20277
0.458	2.575267	0.2032491
0.459	2.574131	0.2037266
0.46	2.573002	0.2042023
0.461	2.57188	0.2046764
0.462	2.570765	0.2051487
0.463	2.569656	0.2056195
0.464	2.568553	0.2060885
0.465	2.567457	0.206556
0.466	2.566367	0.2070218
0.467	2.565283	0.207486
0.468	2.564205	0.2079486
0.469	2.563132	0.2084096
0.47	2.562066	0.2088691
0.471	2.561005	0.209327
0.472	2.559949	0.2097834
0.473	2.558899	0.2102383
0.474	2.557854	0.2106916
0.475	2.556815	0.2111434
0.476	2.55578	0.2115938
0.477	2.55475	0.2120427
0.478	2.553725	0.2124902
0.479	2.552705	0.2129362
0.48	2.55169	0.2133808
0.481	2.550679	0.2138239
0.482	2.549673	0.2142657
0.483	2.548671	0.2147061
0.484	2.547673	0.2151451
0.485	2.54668	0.2155828
0.486	2.54569	0.2160191
0.487	2.544705	0.2164542
0.488	2.543723	0.2168879
0.489	2.542746	0.2173203
0.49	2.541772	0.2177514
0.491	2.540801	0.2181813
0.492	2.539835	0.2186099
0.493	2.538872	0.2190373
0.494	2.537912	0.2194635
0.495	2.536956	0.2198885
0.496	2.536003	0.2203122
0.497	2.535053	0.2207348
0.498	2.534106	0.2211563
0.499	2.533162	0.2215766
0.5	2.532222	0.2219958
0.501	2.531284	0.2224139
0.502	2.530349	0.2228309
0.503	2.529417	0.2232468
0.504	2.528487	0.2236616
0.505	2.52756	0.2240754
0.506	2.526636	0.2244882
0.507	2.525714	0.2248999
0.508	2.524794	0.2253107
0.509	2.523877	0.2257204
0.51	2.522962	0.2261292
0.511	2.52205	0.2265371
0.512	2.521139	0.226944
0.513	2.520231	0.2273499
0.514	2.519325	0.227755
0.515	2.51842	0.2281592
0.516	2.517518	0.2285625
0.517	2.516617	0.228965
0.518	2.515719	0.2293666
0.519	2.514822	0.2297674
0.52	2.513926	0.2301673
0.521	2.513033	0.2305665
0.522	2.51214	0.230965
0.523	2.51125	0.2313626
0.524	2.510361	0.2317595
0.525	2.509473	0.2321557
0.526	2.508587	0.2325512
0.527	2.507701	0.232946
0.528	2.506818	0.2333401
0.529	2.505935	0.2337335
0.53	2.505054	0.2341263
0.531	2.504173	0.2345185
0.532	2.503294	0.2349101
0.533	2.502416	0.2353011
0.534	2.501538	0.2356915
0.535	2.500662	0.2360813
0.536	2.499786	0.2364706
0.537	2.498911	0.2368594
0.538	2.498037	0.2372477
0.539	2.497164	0.2376355
0.54	2.496292	0.2380228
0.541	2.49542	0.2384096
0.542	2.494548	0.238796
0.543	2.493678	0.239182
0.544	2.492807	0.2395676
0.545	2.491937	0.2399528
0.546	2.491068	0.2403376
0.547	2.490199	0.240722
0.548	2.48933	0.2411062
0.549	2.488462	0.24149
0.55	2.487594	0.2418735
0.551	2.486726	0.2422567
0.552	2.485858	0.2426396
0.553	2.484991	0.2430223
0.554	2.484123	0.2434048
0.555	2.483256	0.243787
0.556	2.482389	0.2441691
0.557	2.481521	0.244551
0.558	2.480654	0.2449327
0.559	2.479786	0.2453142
0.56	2.478919	0.2456957
0.561	2.478051	0.246077
0.562	2.477183	0.2464582
0.563	2.476315	0.2468394
0.564	2.475447	0.2472205
0.565	2.474578	0.2476015
0.566	2.473709	0.2479826
0.567	2.47284	0.2483636
0.568	2.47197	0.2487446
0.569	2.4711	0.2491257
0.57	2.470229	0.2495069
0.571	2.469358	0.2498881
0.572	2.468487	0.2502693
0.573	2.467614	0.2506507
0.574	2.466742	0.2510322
0.575	2.465868	0.2514139
0.576	2.464995	0.2517957
0.577	2.46412	0.2521777
0.578	2.463245	0.2525598
0.579	2.462369	0.2529422
0.58	2.461492	0.2533249
0.581	2.460614	0.2537077
0.582	2.459736	0.2540909
0.583	2.458857	0.2544743
0.584	2.457977	0.254858
0.585	2.457096	0.2552421
0.586	2.456214	0.2556264
0.587	2.455331	0.2560112
0.588	2.454448	0.2563963
0.589	2.453563	0.2567818
0.59	2.452677	0.2571678
0.591	2.45179	0.2575542
0.592	2.450903	0.257941
0.593	2.450014	0.2583282
0.594	2.449123	0.258716
0.595	2.448232	0.2591043
0.596	2.44734	0.2594931
0.597	2.446446	0.2598825
0.598	2.445551	0.2602724
0.599	2.444655	0.2606629
0.6	2.443758	0.261054
0.601	2.442859	0.2614457
0.602	2.44196	0.2618381
0.603	2.441058	0.2622311
0.604	2.440156	0.2626248
0.605	2.439252	0.2630192
0.606	2.438346	0.2634143
0.607	2.437439	0.2638102
0.608	2.436531	0.2642068
0.609	2.435622	0.2646041
0.61	2.43471	0.2650023
0.611	2.433798	0.2654013
0.612	2.432883	0.2658011
0.613	2.431968	0.2662017
0.614	2.43105	0.2666032
0.615	2.430131	0.2670056
0.616	2.429211	0.267409
0.617	2.428289	0.2678132
0.618	2.427365	0.2682184
0.619	2.426439	0.2686245
0.62	2.425512	0.2690317
0.621	2.424583	0.2694398
0.622	2.423653	0.269849
0.623	2.42272	0.2702592
0.624	2.421786	0.2706705
0.625	2.42085	0.2710829
0.626	2.419912	0.2714963
0.627	2.418973	0.2719109
0.628	2.418032	0.2723267
0.629	2.417088	0.2727436
0.63	2.416143	0.2731617
0.631	2.415196	0.2735809
0.632	2.414248	0.2740014
0.633	2.413297	0.2744232
0.634	2.412344	0.2748462
0.635	2.411389	0.2752705
0.636	2.410433	0.2756961
0.637	2.409474	0.2761231
0.638	2.408514	0.2765513
0.639	2.407551	0.276981
0.64	2.406586	0.277412
0.641	2.40562	0.2778445
0.642	2.404651	0.2782783
0.643	2.40368	0.2787136
0.644	2.402707	0.2791504
0.645	2.401732	0.2795887
0.646	2.400755	0.2800285
0.647	2.399776	0.2804698
0.648	2.398794	0.2809127
0.649	2.39781	0.2813571
0.65	2.396825	0.2818031
0.651	2.395837	0.2822508
0.652	2.394846	0.2827001
0.653	2.393854	0.283151
0.654	2.392859	0.2836036
0.655	2.391862	0.284058
0.656	2.390863	0.284514
0.657	2.389862	0.2849718
0.658	2.388858	0.2854313
0.659	2.387852	0.2858927
0.66	2.386843	0.2863558
0.661	2.385833	0.2868208
0.662	2.38482	0.2872876
0.663	2.383804	0.2877563
0.664	2.382787	0.2882269
0.665	2.381766	0.2886994
0.666	2.380744	0.2891738
0.667	2.379719	0.2896503
0.668	2.378691	0.2901286
0.669	2.377662	0.290609
0.67	2.376629	0.2910915
0.671	2.375595	0.2915759
0.672	2.374558	0.2920625
0.673	2.373518	0.2925511
0.674	2.372476	0.2930419
0.675	2.371431	0.2935347
0.676	2.370384	0.2940298
0.677	2.369335	0.294527
0.678	2.368282	0.2950265
0.679	2.367228	0.2955282
0.68	2.366171	0.2960321
0.681	2.365111	0.2965383
0.682	2.364048	0.2970468
0.683	2.362983	0.2975576
0.684	2.361916	0.2980708
0.685	2.360846	0.2985864
0.686	2.359773	0.2991043
0.687	2.358698	0.2996246
0.688	2.35762	0.3001474
0.689	2.356539	0.3006727
0.69	2.355456	0.3012005
0.691	2.35437	0.3017307
0.692	2.353281	0.3022635
0.693	2.35219	0.3027989
0.694	2.351096	0.3033368
0.695	2.349999	0.3038774
0.696	2.3489	0.3044205
0.697	2.347798	0.3049664
0.698	2.346693	0.3055149
0.699	2.345586	0.3060661
0.7	2.344475	0.3066201
0.701	2.343362	0.3071768
0.702	2.342247	0.3077363
0.703	2.341128	0.3082986
0.704	2.340007	0.3088637
0.705	2.338883	0.3094317
0.706	2.337756	0.3100025
0.707	2.336626	0.3105763
0.708	2.335494	0.311153
0.709	2.334359	0.3117327
0.71	2.333221	0.3123153
0.711	2.33208	0.3129009
0.712	2.330936	0.3134896
0.713	2.329789	0.3140814
0.714	2.32864	0.3146762
0.715	2.327488	0.3152741
0.716	2.326333	0.3158752
0.717	2.325175	0.3164795
0.718	2.324014	0.3170869
0.719	2.32285	0.3176976
0.72	2.321684	0.3183115
0.721	2.320514	0.3189287
0.722	2.319342	0.3195492
0.723	2.318167	0.320173
0.724	2.316989	0.3208001
0.725	2.315808	0.3214307
0.726	2.314624	0.3220646
0.727	2.313437	0.322702
0.728	2.312247	0.3233429
0.729	2.311054	0.3239872
0.73	2.309859	0.3246351
0.731	2.30866	0.3252865
0.732	2.307459	0.3259415
0.733	2.306254	0.3266001
0.734	2.305047	0.3272623
0.735	2.303836	0.3279282
0.736	2.302623	0.3285978
0.737	2.301407	0.3292711
0.738	2.300187	0.3299482
0.739	2.298965	0.330629
0.74	2.29774	0.3313137
0.741	2.296512	0.3320021
0.742	2.29528	0.3326945
0.743	2.294046	0.3333907
0.744	2.292809	0.3340909
0.745	2.291569	0.334795
0.746	2.290326	0.3355031
0.747	2.289079	0.3362152
0.748	2.28783	0.3369314
0.749	2.286578	0.3376516
0.75	2.285323	0.338376
0.751	2.284065	0.3391045
0.752	2.282803	0.3398371
0.753	2.281539	0.340574
0.754	2.280272	0.3413151
0.755	2.279001	0.3420604
0.756	2.277728	0.3428101
0.757	2.276452	0.3435641
0.758	2.275172	0.3443224
0.759	2.27389	0.3450851
0.76	2.272605	0.3458523
0.761	2.271316	0.3466239
0.762	2.270025	0.3474
0.763	2.26873	0.3481806
0.764	2.267432	0.3489658
0.765	2.266132	0.3497556
0.766	2.264828	0.35055
0.767	2.263521	0.351349
0.768	2.262212	0.3521527
0.769	2.260899	0.3529612
0.77	2.259583	0.3537744
0.771	2.258264	0.3545924
0.772	2.256942	0.3554152
0.773	2.255617	0.3562428
0.774	2.254289	0.3570754
0.775	2.252958	0.3579129
0.776	2.251624	0.3587553
0.777	2.250287	0.3596028
0.778	2.248947	0.3604553
0.779	2.247604	0.3613128
0.78	2.246258	0.3621755
0.781	2.244909	0.3630433
0.782	2.243557	0.3639162
0.783	2.242202	0.3647944
0.784	2.240843	0.3656779
0.785	2.239482	0.3665666
0.786	2.238118	0.3674606
0.787	2.236751	0.36836
0.788	2.23538	0.3692648
0.789	2.234007	0.3701751
0.79	2.232631	0.3710908
0.791	2.231251	0.372012
0.792	2.229869	0.3729387
0.793	2.228484	0.3738711
0.794	2.227096	0.3748091
0.795	2.225704	0.3757527
0.796	2.22431	0.376702
0.797	2.222913	0.3776571
0.798	2.221513	0.3786179
0.799	2.22011	0.3795846
0.8	2.218704	0.3805571
0.801	2.217295	0.3815356
0.802	2.215883	0.3825199
0.803	2.214468	0.3835103
0.804	2.21305	0.3845067
0.805	2.211629	0.3855091
0.806	2.210206	0.3865176
0.807	2.208779	0.3875323
0.808	2.207349	0.3885531
0.809	2.205917	0.3895802
0.81	2.204482	0.3906136
0.811	2.203044	0.3916532
0.812	2.201603	0.3926992
0.813	2.200159	0.3937516
0.814	2.198712	0.3948105
0.815	2.197262	0.3958758
0.816	2.19581	0.3969476
0.817	2.194355	0.398026
0.818	2.192896	0.3991111
0.819	2.191436	0.4002027
0.82	2.189972	0.4013011
0.821	2.188505	0.4024062
0.822	2.187036	0.4035181
0.823	2.185564	0.4046368
0.824	2.184089	0.4057624
0.825	2.182612	0.4068949
0.826	2.181132	0.4080344
0.827	2.179649	0.4091809
0.828	2.178163	0.4103345
0.829	2.176674	0.4114951
0.83	2.175183	0.4126629
0.831	2.17369	0.413838
0.832	2.172193	0.4150202
0.833	2.170694	0.4162097
0.834	2.169193	0.4174066
0.835	2.167688	0.4186109
0.836	2.166182	0.4198226
0.837	2.164672	0.4210418
0.838	2.16316	0.4222685
0.839	2.161646	0.4235028
0.84	2.160129	0.4247447
0.841	2.158609	0.4259943
0.842	2.157087	0.4272516
0.843	2.155562	0.4285167
0.844	2.154035	0.4297896
0.845	2.152506	0.4310704
0.846	2.150974	0.4323591
0.847	2.14944	0.4336558
0.848	2.147903	0.4349605
0.849	2.146364	0.4362733
0.85	2.144822	0.4375942
0.851	2.143279	0.4389233
0.852	2.141733	0.4402606
0.853	2.140184	0.4416062
0.854	2.138634	0.4429602
0.855	2.137081	0.4443225
0.856	2.135526	0.4456932
0.857	2.133969	0.4470725
0.858	2.13241	0.4484603
0.859	2.130848	0.4498567
0.86	2.129284	0.4512618
0.861	2.127719	0.4526755
0.862	2.126151	0.454098
0.863	2.124581	0.4555294
0.864	2.123009	0.4569695
0.865	2.121435	0.4584187
0.866	2.119859	0.4598768
0.867	2.118282	0.4613439
0.868	2.116702	0.4628201
0.869	2.115121	0.4643055
0.87	2.113537	0.4658
0.871	2.111952	0.4673038
0.872	2.110365	0.468817
0.873	2.108776	0.4703394
0.874	2.107186	0.4718714
0.875	2.105594	0.4734128
0.876	2.104	0.4749637
0.877	2.102405	0.4765242
0.878	2.100808	0.4780944
0.879	2.099209	0.4796743
0.88	2.097609	0.481264
0.881	2.096007	0.4828635
0.882	2.094404	0.4844728
0.883	2.0928	0.4860922
0.884	2.091194	0.4877215
0.885	2.089587	0.4893609
0.886	2.087978	0.4910104
0.887	2.086369	0.4926701
0.888	2.084758	0.49434
0.889	2.083146	0.4960202
0.89	2.081532	0.4977108
0.891	2.079918	0.4994118
0.892	2.078303	0.5011232
0.893	2.076686	0.5028453
0.894	2.075069	0.5045779
0.895	2.073451	0.5063211
0.896	2.071831	0.5080751
0.897	2.070211	0.5098399
0.898	2.068591	0.5116155
0.899	2.066969	0.513402
0.9	2.065347	0.5151995
0.901	2.063724	0.517008
0.902	2.062101	0.5188276
0.903	2.060477	0.5206583
0.904	2.058852	0.5225003
0.905	2.057227	0.5243535
0.906	2.055602	0.5262181
0.907	2.053976	0.528094
0.908	2.05235	0.5299815
0.909	2.050724	0.5318804
0.91	2.049098	0.5337909
0.911	2.047471	0.5357131
0.912	2.045845	0.5376469
0.913	2.044219	0.5395926
0.914	2.042592	0.54155
0.915	2.040966	0.5435194
0.916	2.03934	0.5455007
0.917	2.037714	0.5474941
0.918	2.036089	0.5494995
0.919	2.034463	0.5515171
0.92	2.032839	0.5535468
0.921	2.031215	0.5555889
0.922	2.029591	0.5576433
0.923	2.027968	0.55971
0.924	2.026346	0.5617893
0.925	2.024724	0.563881
0.926	2.023104	0.5659854
0.927	2.021484	0.5681023
0.928	2.019865	0.570232
0.929	2.018247	0.5723745
0.93	2.016631	0.5745298
0.931	2.015015	0.5766979
0.932	2.013401	0.5788791
0.933	2.011789	0.5810732
0.934	2.010177	0.5832804
0.935	2.008568	0.5855008
0.936	2.006959	0.5877344
0.937	2.005353	0.5899812
0.938	2.003748	0.5922413
0.939	2.002145	0.5945149
0.94	2.000544	0.5968019
0.941	1.998945	0.5991023
0.942	1.997349	0.6014164
0.943	1.995754	0.6037441
0.944	1.994161	0.6060854
0.945	1.992571	0.6084405
0.946	1.990984	0.6108094
0.947	1.989399	0.6131921
0.948	1.987816	0.6155888
0.949	1.986237	0.6179995
0.95	1.98466	0.6204242
0.951	1.983086	0.6228629
0.952	1.981515	0.6253159
0.953	1.979947	0.627783
0.954	1.978382	0.6302644
0.955	1.976821	0.6327601
0.956	1.975263	0.6352701
0.957	1.973708	0.6377946
0.958	1.972158	0.6403336
0.959	1.970611	0.6428871
0.96	1.969067	0.6454552
0.961	1.967528	0.648038
0.962	1.965993	0.6506354
0.963	1.964461	0.6532476
0.964	1.962934	0.6558746
0.965	1.961412	0.6585164
0.966	1.959894	0.6611731
0.967	1.95838	0.6638448
0.968	1.956871	0.6665314
0.969	1.955367	0.6692331
0.97	1.953868	0.6719499
0.971	1.952374	0.6746818
0.972	1.950886	0.6774289
0.973	1.949402	0.6801913
0.974	1.947924	0.6829688
0.975	1.946451	0.6857618
0.976	1.944985	0.6885701
0.977	1.943523	0.6913937
0.978	1.942068	0.6942328
0.979	1.940619	0.6970874
0.98	1.939176	0.6999575
0.981	1.937739	0.7028432
0.982	1.936309	0.7057445
0.983	1.934885	0.7086614
0.984	1.933468	0.711594
0.985	1.932058	0.7145422
0.986	1.930655	0.7175063
0.987	1.929259	0.720486
0.988	1.92787	0.7234816
0.989	1.926488	0.7264931
0.99	1.925114	0.7295203
0.991	1.923748	0.7325635
0.992	1.922389	0.7356226
0.993	1.921038	0.7386977
0.994	1.919696	0.7417887
0.995	1.918361	0.7448957
0.996	1.917035	0.7480187
0.997	1.915718	0.7511578
0.998	1.914409	0.7543129
0.999	1.913109	0.7574841
1.0	1.911818	0.7606714
1.0025	1.90863	0.7687102
1.005	1.905502	0.7768498
1.0075	1.902436	0.7850906
1.01	1.899433	0.7934326
1.0125	1.896497	0.8018758
1.015	1.893631	0.8104203
1.0175	1.890836	0.819066
1.02	1.888115	0.8278127
1.0225	1.885472	0.8366603
1.025	1.882907	0.8456086
1.0275	1.880425	0.8546572
1.03	1.878028	0.8638057
1.0325	1.875718	0.8730536
1.035	1.873498	0.8824004
1.0375	1.871372	0.8918457
1.04	1.86934	0.9013885
1.0425	1.867408	0.9110283
1.045	1.865576	0.9207642
1.0475	1.863848	0.9305953
1.05	1.862227	0.9405207
1.0525	1.860715	0.9505392
1.055	1.859315	0.9606499
1.0575	1.858031	0.9708514
1.06	1.856863	0.9811427
1.0625	1.855816	0.9915222
1.065	1.854892	1.001989
1.0675	1.854094	1.01254
1.07	1.853424	1.023176
1.0725	1.852885	1.033894
1.075	1.85248	1.044693
1.0775	1.85221	1.05557
1.08	1.85208	1.066524
1.0825	1.852091	1.077553
1.085	1.852247	1.088655
1.0875	1.852548	1.099829
1.09	1.852999	1.111071
1.0925	1.8536	1.12238
1.095	1.854356	1.133753
1.0975	1.855267	1.145189
1.1	1.856337	1.156684
1.1025	1.857568	1.168237
1.105	1.858961	1.179845
1.1075	1.86052	1.191506
1.11	1.862246	1.203217
1.1125	1.864141	1.214975
1.115	1.866208	1.226777
1.1175	1.868448	1.238622
1.12	1.870864	1.250506
1.1225	1.873457	1.262426
1.125	1.876229	1.27438
1.1275	1.879183	1.286364
1.13	1.88232	1.298376
1.1325	1.885642	1.310413
1.135	1.88915	1.322472
1.1375	1.892847	1.334549
1.14	1.896734	1.346642
1.1425	1.900812	1.358747
1.145	1.905084	1.370861
1.1475	1.90955	1.382981
1.15	1.914212	1.395103
1.1525	1.919072	1.407225
1.155	1.924132	1.419342
1.1575	1.929391	1.431453
1.16	1.934853	1.443552
1.1625	1.940518	1.455636
1.165	1.946387	1.467703
1.1675	1.952462	1.479747
1.17	1.958743	1.491767
1.1725	1.965233	1.503757
1.175	1.971931	1.515715
1.1775	1.97884	1.527636
1.18	1.98596	1.539517
1.1825	1.993292	1.551353
1.185	2.000837	1.563141
1.1875	2.008595	1.574876
1.19	2.016569	1.586555
1.1925	2.024757	1.598174
1.195	2.033162	1.609728
1.1975	2.041784	1.621213
1.2	2.050623	1.632624
1.2025	2.05968	1.643958
1.205	2.068956	1.655209
1.2075	2.07845	1.666374
1.21	2.088164	1.677447
1.2125	2.098097	1.688424
1.215	2.108249	1.699301
1.2175	2.118622	1.710071
1.22	2.129214	1.720732
1.2225	2.140026	1.731277
1.225	2.151058	1.741701
1.2275	2.162308	1.752
1.23	2.173778	1.762168
1.2325	2.185467	1.7722
1.235	2.197373	1.78209
1.2375	2.209497	1.791834
1.24	2.221837	1.801425
1.2425	2.234393	1.810859
1.245	2.247163	1.820129
1.2475	2.260146	1.82923
1.25	2.273341	1.838156
1.2525	2.286747	1.846901
1.255	2.300361	1.855459
1.2575	2.314182	1.863825
1.26	2.328208	1.871992
1.2625	2.342437	1.879954
1.265	2.356866	1.887706
1.2675	2.371492	1.895241
1.27	2.386314	1.902552
1.2725	2.401327	1.909635
1.275	2.416529	1.916482
1.2775	2.431917	1.923087
1.28	2.447486	1.929444
1.2825	2.463233	1.935547
1.285	2.479154	1.94139
1.2875	2.495244	1.946966
1.29	2.511499	1.952269
1.2925	2.527914	1.957293
1.295	2.544484	1.962032
1.2975	2.561203	1.96648
1.3	2.578066	1.970631
1.3025	2.595068	1.974479
1.305	2.612201	1.978018
1.3075	2.629459	1.981243
1.31	2.646837	1.984148
1.3125	2.664326	1.986728
1.315	2.68192	1.988977
1.3175	2.69961	1.990891
1.32	2.717391	1.992464
1.3225	2.735252	1.993693
1.325	2.753186	1.994571
1.3275	2.771185	1.995096
1.33	2.78924	1.995264
1.3325	2.807341	1.99507
1.335	2.825479	1.994511
1.3375	2.843646	1.993584
1.34	2.86183	1.992286
1.3425	2.880023	1.990615
1.345	2.898215	1.988568
1.3475	2.916394	1.986144
1.35	2.934551	1.983341
1.3525	2.952675	1.980158
1.355	2.970756	1.976595
1.3575	2.988782	1.972651
1.36	3.006744	1.968326
1.3625	3.024629	1.963621
1.365	3.042427	1.958537
1.3675	3.060126	1.953075
1.37	3.077717	1.947237
1.3725	3.095188	1.941025
1.375	3.112528	1.934443
1.3775	3.129725	1.927493
1.38	3.14677	1.920178
1.3825	3.163652	1.912504
1.385	3.18036	1.904473
1.3875	3.196883	1.896092
1.39	3.213212	1.887366
1.3925	3.229336	1.8783
1.395	3.245246	1.8689
1.3975	3.260932	1.859174
1.4	3.276384	1.849127
1.4025	3.291595	1.838768
1.405	3.306554	1.828104
1.4075	3.321254	1.817143
1.41	3.335687	1.805894
1.4125	3.349845	1.794364
1.415	3.363721	1.782563
1.4175	3.377308	1.770501
1.42	3.390599	1.758186
1.4225	3.403588	1.745628
1.425	3.41627	1.732837
1.4275	3.428639	1.719823
1.43	3.440691	1.706596
1.4325	3.452421	1.693167
1.435	3.463825	1.679546
1.4375	3.4749	1.665743
1.44	3.485643	1.651768
1.4425	3.496051	1.637634
1.445	3.506122	1.623349
1.4475	3.515854	1.608925
1.45	3.525246	1.594371
1.4525	3.534297	1.5797
1.455	3.543006	1.56492
1.4575	3.551374	1.550042
1.46	3.5594	1.535077
1.4625	3.567087	1.520035
1.465	3.574433	1.504924
1.4675	3.581442	1.489756
1.47	3.588114	1.47454
1.4725	3.594453	1.459284
1.475	3.600459	1.443999
1.4775	3.606137	1.428693
1.48	3.611489	1.413375
1.4825	3.616519	1.398053
1.485	3.621229	1.382736
1.4875	3.625624	1.367431
1.49	3.629707	1.352147
1.4925	3.633484	1.336891
1.495	3.636958	1.32167
1.4975	3.640133	1.306491
1.5	3.643016	1.29136
1.5025	3.64561	1.276285
1.505	3.647921	1.26127
1.5075	3.649953	1.246323
1.51	3.651712	1.231448
1.5125	3.653204	1.216652
1.515	3.654433	1.201938
1.5175	3.655405	1.187312
1.52	3.656126	1.172778
1.5225	3.656601	1.158341
1.525	3.656835	1.144004
1.5275	3.656835	1.129772
1.53	3.656606	1.115647
1.5325	3.656154	1.101633
1.535	3.655483	1.087734
1.5375	3.6546	1.073951
1.54	3.653511	1.060288
1.5425	3.65222	1.046747
1.545	3.650733	1.03333
1.5475	3.649056	1.020039
1.55	3.647193	1.006876
1.5525	3.645151	0.9938429
1.555	3.642934	0.9809404
1.5575	3.640548	0.9681701
1.56	3.637997	0.9555331
1.5625	3.635287	0.9430304
1.565	3.632423	0.9306627
1.5675	3.629408	0.9184307
1.57	3.62625	0.9063349
1.5725	3.62295	0.8943757
1.575	3.619516	0.8825533
1.5775	3.61595	0.8708678
1.58	3.612257	0.8593194
1.5825	3.608442	0.8479079
1.585	3.604509	0.836633
1.5875	3.600461	0.8254946
1.59	3.596304	0.8144923
1.5925	3.59204	0.8036256
1.595	3.587673	0.792894
1.5975	3.583209	0.7822968
1.6	3.578648	0.7718334
1.6025	3.573997	0.7615031
1.605	3.569257	0.751305
1.6075	3.564433	0.7412383
1.61	3.559527	0.7313021
1.6125	3.554543	0.7214954
1.615	3.549484	0.7118172
1.6175	3.544352	0.7022665
1.62	3.539151	0.6928421
1.6225	3.533883	0.683543
1.625	3.528552	0.674368
1.6275	3.52316	0.6653159
1.63	3.517709	0.6563855
1.6325	3.512202	0.6475755
1.635	3.506641	0.6388848
1.6375	3.501029	0.6303121
1.64	3.495368	0.6218561
1.6425	3.48966	0.6135154
1.645	3.483907	0.6052888
1.6475	3.478112	0.597175
1.65	3.472276	0.5891725
1.6525	3.466401	0.5812802
1.655	3.460489	0.5734967
1.6575	3.454542	0.5658205
1.66	3.448562	0.5582504
1.6625	3.442549	0.550785
1.665	3.436507	0.543423
1.6675	3.430436	0.5361631
1.67	3.424338	0.5290039
1.6725	3.418215	0.521944
1.675	3.412067	0.5149822
1.6775	3.405896	0.5081171
1.68	3.399704	0.5013475
1.6825	3.393491	0.4946719
1.685	3.387259	0.4880892
1.6875	3.381009	0.4815979
1.69	3.374743	0.475197

Optical transmission calculator

Free-standing sample in vacuum, normal incidence

Transmittance T: —
Reflectance R: —

Fresnel reflection calculator

R_p: —
R_s: —
R = (R_p+R_s)/2: —
Phase φ_p: —
Phase φ_s: —
Brewster angle θ_B: —
Critical angle θ_C: —

TaSe₂ (Tantalum diselenide): all datasets

Multilayer flakes

About TaSe2 (Tantalum diselenide)

Tantalum diselenide (TaSe₂) is a member of the transition metal dichalcogenides (TMDs) family, possessing unique electrical and optical characteristics. Like its sulfide counterpart, TaSe₂ undergoes charge density wave (CDW) transitions, leading to complex electronic behaviors such as superconductivity in certain conditions. The material's layered structure allows for exfoliation into thin sheets, paving the way for potential applications in nanoelectronics and optoelectronics. Furthermore, TaSe₂'s intriguing properties, including its responses to external stimuli like pressure and field, make it a popular candidate for studying exotic quantum states and phase transitions.

Tantalum diselenide - Wikipedia

More about TaSe2 (Tantalum diselenide) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/TaSe2/nk/Munkhbat-e.yml
ID: ds_7ee61666c10c
API: /v1/datasets/ds_7ee61666c10c

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