Optical constants

Refractive index of ReS₂ (Rhenium disulfide)

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

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

Biaxial crystal, axes: beta

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 4.28776
Extinction coefficient k: 0.676755

Permittivity ε₁: 17.9269
Permittivity ε₂: 5.80353

Absorption coefficient α: 144730 cm⁻¹
Penetration depth δ = λ/(2πk): 138.188 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: 0.624 µm⁻¹

Group index n_g: 3.9211
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

# ReS2 (Rhenium disulfide): Munkhbat et al. 2022: multilayer flakes; n(β),k(β) 0.30–1.69 µm
res2 = ls.fetch_refractiveindex("main", "ReS2", "Munkhbat-β", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(res2.range_nm)  # (300, 1690) nm
eps = res2.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_43cd1b079801/lightsmith"
res2 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(res2.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (res2/munkhbat-2022-2).

# ... load res2 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=res2)],
    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. n_β, k_β. Room temperature.

Conditions

direction: beta

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

ReS2 (Rhenium disulfide), Munkhbat et al. 2022: multilayer flakes; n(β),k(β) 0.30–1.69 µm: n and k versus wavelength
λ (µm)	n	k
0.3	3.70211	2.3227
0.301	3.708451	2.307876
0.302	3.714254	2.29341
0.303	3.719551	2.279328
0.304	3.724377	2.265655
0.305	3.728766	2.252409
0.306	3.732756	2.239611
0.307	3.736382	2.227273
0.308	3.739682	2.21541
0.309	3.742693	2.204029
0.31	3.745453	2.193139
0.311	3.747999	2.182742
0.312	3.750367	2.172841
0.313	3.752595	2.163435
0.314	3.754717	2.15452
0.315	3.756769	2.14609
0.316	3.758785	2.138139
0.317	3.760796	2.130654
0.318	3.762835	2.123626
0.319	3.764932	2.117039
0.32	3.767116	2.110879
0.321	3.769414	2.105127
0.322	3.771851	2.099766
0.323	3.774452	2.094774
0.324	3.777239	2.090131
0.325	3.780233	2.085815
0.326	3.783453	2.081801
0.327	3.786915	2.078065
0.328	3.790634	2.074582
0.329	3.794624	2.071327
0.33	3.798896	2.068272
0.331	3.80346	2.065393
0.332	3.808322	2.062661
0.333	3.813488	2.060049
0.334	3.818963	2.057532
0.335	3.824747	2.055083
0.336	3.830841	2.052674
0.337	3.837242	2.05028
0.338	3.843949	2.047875
0.339	3.850954	2.045435
0.34	3.858252	2.042935
0.341	3.865833	2.040351
0.342	3.873689	2.037662
0.343	3.881807	2.034845
0.344	3.890176	2.031881
0.345	3.89878	2.02875
0.346	3.907606	2.025434
0.347	3.916637	2.021916
0.348	3.925857	2.018181
0.349	3.935247	2.014215
0.35	3.944789	2.010006
0.351	3.954463	2.005542
0.352	3.964252	2.000815
0.353	3.974133	1.995814
0.354	3.984088	1.990536
0.355	3.994096	1.984973
0.356	4.004136	1.979123
0.357	4.014188	1.972983
0.358	4.024232	1.966554
0.359	4.034247	1.959835
0.36	4.044215	1.952829
0.361	4.054116	1.945539
0.362	4.063931	1.93797
0.363	4.073642	1.930128
0.364	4.083233	1.92202
0.365	4.092686	1.913655
0.366	4.101985	1.90504
0.367	4.111117	1.896187
0.368	4.120066	1.887107
0.369	4.128821	1.87781
0.37	4.137368	1.86831
0.371	4.145697	1.858619
0.372	4.153797	1.848751
0.373	4.161661	1.83872
0.374	4.16928	1.828539
0.375	4.176647	1.818225
0.376	4.183757	1.80779
0.377	4.190604	1.797251
0.378	4.197185	1.786621
0.379	4.203498	1.775917
0.38	4.209541	1.765153
0.381	4.215313	1.754343
0.382	4.220813	1.743502
0.383	4.226044	1.732644
0.384	4.231008	1.721784
0.385	4.235706	1.710935
0.386	4.240143	1.70011
0.387	4.244323	1.689321
0.388	4.248251	1.678582
0.389	4.251932	1.667904
0.39	4.255373	1.657298
0.391	4.25858	1.646776
0.392	4.261561	1.636347
0.393	4.264324	1.626021
0.394	4.266877	1.615807
0.395	4.269229	1.605714
0.396	4.271389	1.595749
0.397	4.273366	1.58592
0.398	4.275169	1.576233
0.399	4.276809	1.566694
0.4	4.278297	1.557309
0.401	4.279641	1.548081
0.402	4.280853	1.539016
0.403	4.281944	1.530116
0.404	4.282923	1.521384
0.405	4.283802	1.512823
0.406	4.284591	1.504433
0.407	4.285301	1.496215
0.408	4.285942	1.488171
0.409	4.286526	1.480298
0.41	4.287062	1.472597
0.411	4.28756	1.465065
0.412	4.288032	1.4577
0.413	4.288486	1.4505
0.414	4.288932	1.443461
0.415	4.28938	1.436579
0.416	4.289839	1.42985
0.417	4.290318	1.423268
0.418	4.290824	1.416829
0.419	4.291366	1.410525
0.42	4.291951	1.404351
0.421	4.292587	1.398299
0.422	4.29328	1.392362
0.423	4.294036	1.386533
0.424	4.294861	1.380802
0.425	4.295759	1.375163
0.426	4.296736	1.369604
0.427	4.297795	1.364119
0.428	4.298938	1.358696
0.429	4.300169	1.353327
0.43	4.301489	1.348003
0.431	4.3029	1.342712
0.432	4.304401	1.337446
0.433	4.305992	1.332194
0.434	4.307672	1.326948
0.435	4.30944	1.321696
0.436	4.311292	1.31643
0.437	4.313226	1.31114
0.438	4.315237	1.305818
0.439	4.317321	1.300454
0.44	4.319472	1.295041
0.441	4.321685	1.289571
0.442	4.323953	1.284036
0.443	4.326269	1.278429
0.444	4.328625	1.272745
0.445	4.331013	1.266978
0.446	4.333425	1.261123
0.447	4.335851	1.255175
0.448	4.338284	1.249132
0.449	4.340712	1.242991
0.45	4.343128	1.23675
0.451	4.34552	1.230407
0.452	4.34788	1.223963
0.453	4.350198	1.217418
0.454	4.352463	1.210774
0.455	4.354668	1.204031
0.456	4.356803	1.197194
0.457	4.358858	1.190266
0.458	4.360826	1.18325
0.459	4.362699	1.176152
0.46	4.364468	1.168976
0.461	4.366127	1.16173
0.462	4.367668	1.154419
0.463	4.369087	1.147051
0.464	4.370378	1.139632
0.465	4.371535	1.132171
0.466	4.372555	1.124674
0.467	4.373434	1.117152
0.468	4.37417	1.109611
0.469	4.374759	1.10206
0.47	4.375201	1.094508
0.471	4.375495	1.086963
0.472	4.37564	1.079433
0.473	4.375637	1.071928
0.474	4.375486	1.064454
0.475	4.375189	1.057021
0.476	4.374748	1.049636
0.477	4.374165	1.042307
0.478	4.373444	1.035041
0.479	4.372587	1.027844
0.48	4.371599	1.020724
0.481	4.370484	1.013687
0.482	4.369245	1.006739
0.483	4.367888	0.9998854
0.484	4.366419	0.9931314
0.485	4.364841	0.9864819
0.486	4.363161	0.9799414
0.487	4.361385	0.9735138
0.488	4.359517	0.9672028
0.489	4.357565	0.9610117
0.49	4.355533	0.9549435
0.491	4.353429	0.9490004
0.492	4.351258	0.9431848
0.493	4.349026	0.9374984
0.494	4.34674	0.9319425
0.495	4.344405	0.9265184
0.496	4.342027	0.9212267
0.497	4.339614	0.916068
0.498	4.337169	0.9110422
0.499	4.334701	0.9061494
0.5	4.332214	0.901389
0.501	4.329714	0.8967604
0.502	4.327207	0.8922625
0.503	4.324698	0.8878942
0.504	4.322194	0.883654
0.505	4.319701	0.8795399
0.506	4.317225	0.8755474
0.507	4.314769	0.8716715
0.508	4.312335	0.8679106
0.509	4.309926	0.8642626
0.51	4.307547	0.8607252
0.511	4.3052	0.8572961
0.512	4.30289	0.8539725
0.513	4.30062	0.8507519
0.514	4.298392	0.8476312
0.515	4.296211	0.8446077
0.516	4.294078	0.8416781
0.517	4.291998	0.8388393
0.518	4.289972	0.836088
0.519	4.288003	0.833421
0.52	4.286093	0.8308347
0.521	4.284246	0.8283258
0.522	4.282461	0.8258906
0.523	4.280742	0.8235257
0.524	4.279091	0.8212274
0.525	4.277508	0.818992
0.526	4.275995	0.8168159
0.527	4.274554	0.8146954
0.528	4.273185	0.8126268
0.529	4.271889	0.8106063
0.53	4.270667	0.8086302
0.531	4.26952	0.8066949
0.532	4.268447	0.8047966
0.533	4.267451	0.8029316
0.534	4.266529	0.8010963
0.535	4.265683	0.799287
0.536	4.264911	0.7975001
0.537	4.264215	0.7957321
0.538	4.263593	0.7939795
0.539	4.263045	0.7922387
0.54	4.262569	0.7905065
0.541	4.262166	0.7887794
0.542	4.261833	0.7870542
0.543	4.26157	0.7853277
0.544	4.261376	0.7835967
0.545	4.261249	0.7818583
0.546	4.261188	0.7801095
0.547	4.261191	0.7783474
0.548	4.261255	0.7765693
0.549	4.261381	0.7747726
0.55	4.261564	0.7729546
0.551	4.261804	0.771113
0.552	4.262099	0.7692455
0.553	4.262445	0.7673498
0.554	4.262841	0.7654239
0.555	4.263285	0.7634657
0.556	4.263773	0.7614736
0.557	4.264305	0.7594457
0.558	4.264876	0.7573805
0.559	4.265485	0.7552765
0.56	4.266129	0.7531324
0.561	4.266805	0.7509471
0.562	4.267511	0.7487194
0.563	4.268244	0.7464486
0.564	4.269002	0.7441337
0.565	4.269781	0.7417741
0.566	4.270579	0.7393693
0.567	4.271394	0.7369189
0.568	4.272222	0.7344227
0.569	4.273062	0.7318804
0.57	4.27391	0.7292921
0.571	4.274764	0.7266578
0.572	4.275622	0.7239778
0.573	4.276481	0.7212523
0.574	4.277338	0.7184819
0.575	4.278192	0.715667
0.576	4.27904	0.7128082
0.577	4.27988	0.7099064
0.578	4.280709	0.7069623
0.579	4.281526	0.7039768
0.58	4.282329	0.700951
0.581	4.283115	0.6978858
0.582	4.283882	0.6947825
0.583	4.28463	0.6916422
0.584	4.285356	0.6884662
0.585	4.286059	0.6852559
0.586	4.286737	0.6820126
0.587	4.287388	0.6787377
0.588	4.288012	0.6754327
0.589	4.288607	0.6720991
0.59	4.289173	0.6687383
0.591	4.289707	0.6653521
0.592	4.290209	0.6619419
0.593	4.290678	0.6585093
0.594	4.291114	0.655056
0.595	4.291515	0.6515834
0.596	4.291882	0.6480933
0.597	4.292212	0.6445873
0.598	4.292507	0.6410668
0.599	4.292766	0.6375336
0.6	4.292988	0.6339892
0.601	4.293173	0.6304352
0.602	4.293321	0.626873
0.603	4.293432	0.6233041
0.604	4.293506	0.6197302
0.605	4.293544	0.6161525
0.606	4.293544	0.6125726
0.607	4.293508	0.6089918
0.608	4.293436	0.6054114
0.609	4.293328	0.6018328
0.61	4.293184	0.5982572
0.611	4.293005	0.5946858
0.612	4.292791	0.5911198
0.613	4.292544	0.5875603
0.614	4.292262	0.5840084
0.615	4.291948	0.5804651
0.616	4.291601	0.5769315
0.617	4.291223	0.5734083
0.618	4.290813	0.5698965
0.619	4.290374	0.5663969
0.62	4.289905	0.5629103
0.621	4.289407	0.5594374
0.622	4.288881	0.5559788
0.623	4.288329	0.5525352
0.624	4.28775	0.549107
0.625	4.287145	0.5456948
0.626	4.286516	0.5422991
0.627	4.285863	0.5389202
0.628	4.285188	0.5355584
0.629	4.28449	0.532214
0.63	4.283771	0.5288872
0.631	4.283033	0.5255782
0.632	4.282274	0.5222872
0.633	4.281497	0.5190141
0.634	4.280702	0.515759
0.635	4.279891	0.5125218
0.636	4.279063	0.5093025
0.637	4.27822	0.5061008
0.638	4.277363	0.5029166
0.639	4.276491	0.4997496
0.64	4.275607	0.4965996
0.641	4.27471	0.4934661
0.642	4.273802	0.4903487
0.643	4.272882	0.4872471
0.644	4.271952	0.4841607
0.645	4.271012	0.481089
0.646	4.270063	0.4780313
0.647	4.269105	0.4749871
0.648	4.268138	0.4719556
0.649	4.267164	0.4689362
0.65	4.266181	0.4659281
0.651	4.265191	0.4629304
0.652	4.264195	0.4599423
0.653	4.26319	0.456963
0.654	4.262179	0.4539915
0.655	4.261161	0.4510268
0.656	4.260137	0.4480681
0.657	4.259105	0.4451142
0.658	4.258065	0.4421642
0.659	4.257018	0.439217
0.66	4.255963	0.4362715
0.661	4.2549	0.4333267
0.662	4.253827	0.4303813
0.663	4.252745	0.4274344
0.664	4.251653	0.4244849
0.665	4.250549	0.4215315
0.666	4.249432	0.4185733
0.667	4.248302	0.4156091
0.668	4.247157	0.412638
0.669	4.245997	0.4096589
0.67	4.244818	0.4066709
0.671	4.24362	0.403673
0.672	4.242401	0.4006645
0.673	4.241159	0.3976445
0.674	4.239892	0.3946124
0.675	4.238597	0.3915676
0.676	4.237273	0.3885096
0.677	4.235916	0.3854383
0.678	4.234525	0.3823533
0.679	4.233096	0.3792546
0.68	4.231627	0.3761424
0.681	4.230114	0.3730172
0.682	4.228554	0.3698794
0.683	4.226945	0.36673
0.684	4.225282	0.3635699
0.685	4.223562	0.3604005
0.686	4.221782	0.3572235
0.687	4.219938	0.3540407
0.688	4.218027	0.3508546
0.689	4.216045	0.3476676
0.69	4.213989	0.3444827
0.691	4.211855	0.3413034
0.692	4.209639	0.3381332
0.693	4.20734	0.3349762
0.694	4.204952	0.331837
0.695	4.202475	0.3287204
0.696	4.199904	0.3256317
0.697	4.197238	0.3225763
0.698	4.194475	0.3195605
0.699	4.191612	0.3165905
0.7	4.18865	0.3136728
0.701	4.185587	0.3108146
0.702	4.182423	0.3080229
0.703	4.179157	0.3053053
0.704	4.175792	0.3026693
0.705	4.172329	0.3001228
0.706	4.168769	0.2976735
0.707	4.165115	0.2953292
0.708	4.161371	0.293098
0.709	4.15754	0.2909874
0.71	4.153628	0.2890052
0.711	4.14964	0.2871586
0.712	4.145582	0.285455
0.713	4.14146	0.283901
0.714	4.137282	0.2825031
0.715	4.133057	0.2812674
0.716	4.128791	0.2801994
0.717	4.124495	0.2793041
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0.719	4.115852	0.2780492
0.72	4.111526	0.2776968
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0.723	4.098669	0.2777711
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0.726	4.086296	0.279566
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0.728	4.078636	0.2816563
0.729	4.075024	0.2828363
0.73	4.071509	0.2840885
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0.74	4.040296	0.3011773
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0.75	4.016136	0.3285142
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0.76	4.003076	0.3691061
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0.762	4.002565	0.3790362
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0.764	4.003009	0.3895789
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1.0075	3.905112	0.003634145
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1.0925	3.842811	0.0001063744
1.095	3.841322	8.215257e-05
1.0975	3.83985	6.18161e-05
1.1	3.838396	4.531871e-05
1.1025	3.836959	3.255455e-05
1.105	3.835541	2.227394e-05
1.1075	3.83414	1.397382e-05
1.11	3.832756	7.625866e-06
1.1125	3.831388	3.202289e-06
1.115	3.830037	6.758461e-07
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1.5175	3.714749	0.0
1.52	3.714365	0.0
1.5225	3.713982	0.0
1.525	3.713602	0.0
1.5275	3.713224	0.0
1.53	3.712849	0.0
1.5325	3.712475	0.0
1.535	3.712104	0.0
1.5375	3.711735	0.0
1.54	3.711368	0.0
1.5425	3.711003	0.0
1.545	3.71064	0.0
1.5475	3.710279	0.0
1.55	3.70992	0.0
1.5525	3.709564	0.0
1.555	3.709209	0.0
1.5575	3.708856	0.0
1.56	3.708505	0.0
1.5625	3.708157	0.0
1.565	3.70781	0.0
1.5675	3.707465	0.0
1.57	3.707122	0.0
1.5725	3.706781	0.0
1.575	3.706442	0.0
1.5775	3.706104	0.0
1.58	3.705769	0.0
1.5825	3.705435	0.0
1.585	3.705104	0.0
1.5875	3.704774	0.0
1.59	3.704445	0.0
1.5925	3.704119	0.0
1.595	3.703794	0.0
1.5975	3.703472	0.0
1.6	3.703151	0.0
1.6025	3.702831	0.0
1.605	3.702513	0.0
1.6075	3.702198	0.0
1.61	3.701883	0.0
1.6125	3.701571	0.0
1.615	3.70126	0.0
1.6175	3.700951	0.0
1.62	3.700643	0.0
1.6225	3.700337	0.0
1.625	3.700033	0.0
1.6275	3.69973	0.0
1.63	3.699429	0.0
1.6325	3.69913	0.0
1.635	3.698832	0.0
1.6375	3.698536	0.0
1.64	3.698241	0.0
1.6425	3.697948	0.0
1.645	3.697656	0.0
1.6475	3.697366	0.0
1.65	3.697077	0.0
1.6525	3.69679	0.0
1.655	3.696504	0.0
1.6575	3.69622	0.0
1.66	3.695937	0.0
1.6625	3.695656	0.0
1.665	3.695376	0.0
1.6675	3.695097	0.0
1.67	3.69482	0.0
1.6725	3.694545	0.0
1.675	3.694271	0.0
1.6775	3.693998	0.0
1.68	3.693726	0.0
1.6825	3.693456	0.0
1.685	3.693188	0.0
1.6875	3.69292	0.0
1.69	3.692654	0.0

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: —

ReS₂ (Rhenium disulfide): all datasets

Multilayer flakes

About ReS2 (Rhenium disulfide)

Rhenium disulfide (ReSe₂) is a layered transition metal dichalcogenide with unique electronic and optical properties. Unlike other members of the transition metal dichalcogenide family, ReSe₂ possesses a distorted 1T structure, which gives rise to its distinctive anisotropic properties. It is known for its strong in-plane anisotropy, both in its electronic and optical behaviors, making it intriguing for potential applications in electronics and optoelectronics. This material can be exfoliated into ultrathin layers, similar to graphene, allowing for investigations and applications in the realm of two-dimensional materials. ReSe₂ has been studied for its potential use in field-effect transistors, photodetectors, and other nanoscale electronic and optoelectronic devices.

Rhenium disulfide - Wikipedia

More about ReS2 (Rhenium disulfide) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/ReS2/nk/Munkhbat-beta.yml
ID: ds_43cd1b079801
API: /v1/datasets/ds_43cd1b079801

Plot