Optical constants

Refractive index of ZrSe₂ (Zirconium diselenide)

Zotev et al. 2023: n,k(o) 0.36–1.0 µm

Data: tabulated nk
Range: 0.36–1 µm
Points: 402
Optical axis: o
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: 3.293
Extinction coefficient k: 2.0553

Permittivity ε₁: 6.61959
Permittivity ε₂: 13.5362

Absorption coefficient α: 439545 cm⁻¹
Penetration depth δ = λ/(2πk): 45.5016 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: 5 µm⁻¹

Group index n_g: 0.355
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

# ZrSe2 (Zirconium diselenide): Zotev et al. 2023: n,k(o) 0.36–1.0 µm
zrse2 = ls.fetch_refractiveindex("main", "ZrSe2", "Zotev-o", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(zrse2.range_nm)  # (360, 1000) nm
eps = zrse2.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_329e4ae1b950/lightsmith"
zrse2 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(zrse2.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (zrse2/zotev-2023-o).

# ... load zrse2 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=zrse2)],
    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 crystals. In-plane (ordinary ray, o). Room temperature.

Conditions

direction: o

References

P. G. Zotev, Y. Wang, D. Andres-Penares, T. Severs-Millard, S. Randerson, X. Hu, L. Sortino, C. Louca, M. Brotons-Gisbert, T. Huq, S. Vezzoli, R. Sapienza, T. F. Krauss, B. D. Gerardot, A. I. Tartakovskii. Van der Waals materials for applications in nanophotonics. Laser and Photonics Rev. 17, 2200957 (2023) (Numerical data kindly provided by Panaiot Zotev)

doi:10.1002/lpor.202200957 Van der Waals Materials for Applications in Nanophotonics, Laser & Photonics Reviews (2023)

Cite

Panaiot G. Zotev et al.. Van der Waals Materials for Applications in Nanophotonics. Laser & Photonics Reviews, 17, 2200957 (2023), doi:10.1002/lpor.202200957; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

402 rows as published

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

ZrSe2 (Zirconium diselenide), Zotev et al. 2023: n,k(o) 0.36–1.0 µm: n and k versus wavelength
λ (µm)	n	k
0.36	2.756	1.327
0.362	2.699	1.288
0.363	2.643	1.254
0.365	2.588	1.225
0.366	2.535	1.201
0.368	2.483	1.181
0.37	2.432	1.165
0.371	2.383	1.153
0.373	2.336	1.144
0.374	2.291	1.138
0.376	2.247	1.135
0.378	2.204	1.134
0.379	2.163	1.135
0.381	2.124	1.139
0.382	2.087	1.144
0.384	2.051	1.152
0.386	2.016	1.161
0.387	1.983	1.171
0.389	1.952	1.183
0.39	1.922	1.197
0.392	1.894	1.211
0.394	1.867	1.227
0.395	1.841	1.244
0.397	1.817	1.262
0.398	1.794	1.28
0.4	1.773	1.3
0.402	1.753	1.32
0.403	1.735	1.341
0.405	1.718	1.363
0.406	1.702	1.385
0.408	1.687	1.407
0.41	1.674	1.43
0.411	1.662	1.453
0.413	1.651	1.477
0.414	1.642	1.501
0.416	1.633	1.525
0.418	1.626	1.549
0.419	1.619	1.574
0.421	1.614	1.598
0.422	1.61	1.623
0.424	1.607	1.647
0.426	1.604	1.672
0.427	1.603	1.697
0.429	1.603	1.721
0.43	1.603	1.746
0.432	1.605	1.77
0.434	1.607	1.795
0.435	1.61	1.819
0.437	1.614	1.844
0.438	1.619	1.868
0.44	1.625	1.892
0.442	1.631	1.916
0.443	1.638	1.94
0.445	1.646	1.964
0.446	1.655	1.987
0.448	1.664	2.01
0.45	1.675	2.034
0.451	1.686	2.057
0.453	1.697	2.079
0.454	1.71	2.102
0.456	1.723	2.124
0.458	1.737	2.146
0.459	1.751	2.168
0.461	1.767	2.19
0.462	1.783	2.211
0.464	1.8	2.232
0.466	1.817	2.252
0.467	1.836	2.272
0.469	1.855	2.292
0.47	1.874	2.311
0.472	1.895	2.33
0.474	1.916	2.349
0.475	1.938	2.367
0.477	1.961	2.384
0.478	1.984	2.401
0.48	2.008	2.417
0.482	2.033	2.432
0.483	2.059	2.447
0.485	2.085	2.461
0.486	2.112	2.474
0.488	2.139	2.487
0.49	2.167	2.498
0.491	2.195	2.509
0.493	2.224	2.518
0.494	2.254	2.527
0.496	2.283	2.534
0.498	2.313	2.54
0.499	2.344	2.546
0.501	2.374	2.55
0.502	2.405	2.553
0.504	2.436	2.554
0.506	2.466	2.555
0.507	2.497	2.554
0.509	2.527	2.552
0.51	2.557	2.549
0.512	2.586	2.545
0.514	2.615	2.539
0.515	2.644	2.533
0.517	2.672	2.526
0.518	2.699	2.517
0.52	2.725	2.508
0.522	2.751	2.498
0.523	2.775	2.487
0.525	2.799	2.476
0.526	2.822	2.464
0.528	2.844	2.452
0.53	2.865	2.439
0.531	2.885	2.426
0.532	2.895	2.419
0.533	2.904	2.413
0.534	2.922	2.399
0.536	2.939	2.386
0.538	2.956	2.373
0.539	2.972	2.36
0.541	2.987	2.347
0.542	3.001	2.334
0.544	3.015	2.321
0.546	3.028	2.308
0.547	3.04	2.296
0.549	3.052	2.284
0.55	3.064	2.273
0.552	3.075	2.261
0.554	3.086	2.25
0.555	3.097	2.239
0.557	3.108	2.229
0.558	3.118	2.219
0.56	3.128	2.209
0.562	3.138	2.199
0.563	3.148	2.189
0.565	3.158	2.18
0.566	3.167	2.171
0.568	3.177	2.162
0.57	3.187	2.153
0.571	3.196	2.144
0.573	3.206	2.135
0.574	3.215	2.127
0.576	3.224	2.118
0.578	3.234	2.109
0.579	3.244	2.101
0.581	3.253	2.092
0.582	3.263	2.084
0.584	3.272	2.075
0.586	3.281	2.066
0.587	3.29	2.058
0.589	3.3	2.049
0.59	3.309	2.04
0.592	3.318	2.031
0.594	3.327	2.022
0.595	3.336	2.013
0.597	3.345	2.003
0.598	3.353	1.994
0.6	3.362	1.984
0.602	3.37	1.975
0.603	3.379	1.965
0.605	3.387	1.955
0.606	3.395	1.945
0.608	3.402	1.935
0.61	3.41	1.925
0.611	3.417	1.915
0.613	3.424	1.904
0.614	3.431	1.894
0.616	3.437	1.883
0.618	3.444	1.873
0.619	3.45	1.862
0.621	3.455	1.852
0.622	3.461	1.841
0.624	3.466	1.83
0.626	3.471	1.819
0.627	3.476	1.808
0.629	3.48	1.798
0.63	3.484	1.787
0.632	3.487	1.776
0.634	3.491	1.765
0.635	3.493	1.754
0.637	3.496	1.744
0.638	3.498	1.733
0.64	3.5	1.723
0.642	3.501	1.712
0.643	3.502	1.702
0.645	3.503	1.692
0.646	3.503	1.682
0.648	3.503	1.672
0.65	3.502	1.662
0.651	3.501	1.653
0.653	3.5	1.643
0.654	3.498	1.634
0.656	3.495	1.626
0.658	3.493	1.617
0.659	3.489	1.609
0.661	3.486	1.601
0.662	3.481	1.594
0.664	3.476	1.587
0.666	3.471	1.581
0.667	3.466	1.574
0.669	3.46	1.569
0.67	3.452	1.564
0.672	3.445	1.56
0.674	3.437	1.556
0.675	3.428	1.553
0.677	3.419	1.551
0.678	3.409	1.549
0.68	3.399	1.549
0.682	3.387	1.55
0.683	3.376	1.552
0.685	3.363	1.555
0.686	3.351	1.559
0.688	3.337	1.565
0.69	3.322	1.573
0.691	3.307	1.583
0.693	3.291	1.595
0.694	3.275	1.609
0.696	3.259	1.625
0.698	3.242	1.645
0.699	3.224	1.668
0.701	3.207	1.695
0.702	3.19	1.725
0.704	3.174	1.761
0.706	3.158	1.801
0.707	3.144	1.847
0.709	3.133	1.899
0.71	3.125	1.958
0.712	3.121	2.024
0.714	3.124	2.098
0.715	3.136	2.179
0.717	3.157	2.269
0.718	3.191	2.365
0.72	3.241	2.468
0.722	3.311	2.574
0.723	3.403	2.681
0.725	3.521	2.782
0.726	3.666	2.872
0.728	3.839	2.943
0.73	4.036	2.986
0.731	4.25	2.992
0.733	4.47	2.954
0.734	4.681	2.871
0.736	4.869	2.745
0.738	5.024	2.584
0.739	5.141	2.403
0.741	5.219	2.215
0.742	5.257	2.033
0.744	5.265	1.864
0.746	5.253	1.71
0.747	5.225	1.574
0.749	5.188	1.454
0.75	5.144	1.351
0.752	5.096	1.261
0.754	5.047	1.183
0.755	4.998	1.116
0.757	4.95	1.057
0.758	4.904	1.006
0.76	4.86	0.961
0.762	4.817	0.921
0.763	4.777	0.886
0.765	4.738	0.854
0.766	4.702	0.826
0.768	4.668	0.8
0.77	4.635	0.777
0.771	4.605	0.756
0.773	4.576	0.736
0.774	4.548	0.719
0.776	4.521	0.702
0.778	4.496	0.687
0.779	4.473	0.673
0.781	4.45	0.659
0.782	4.428	0.647
0.784	4.407	0.635
0.786	4.388	0.623
0.787	4.369	0.613
0.789	4.35	0.603
0.79	4.333	0.593
0.792	4.316	0.584
0.794	4.3	0.575
0.795	4.284	0.567
0.797	4.269	0.558
0.798	4.255	0.551
0.8	4.241	0.543
0.802	4.227	0.536
0.803	4.214	0.528
0.805	4.201	0.522
0.806	4.189	0.515
0.808	4.177	0.508
0.81	4.165	0.502
0.811	4.154	0.496
0.813	4.143	0.49
0.814	4.132	0.484
0.816	4.122	0.478
0.818	4.112	0.473
0.819	4.102	0.467
0.821	4.092	0.462
0.822	4.083	0.457
0.824	4.073	0.451
0.826	4.064	0.446
0.827	4.056	0.441
0.829	4.047	0.437
0.83	4.039	0.432
0.832	4.03	0.427
0.834	4.022	0.423
0.835	4.014	0.418
0.837	4.006	0.414
0.838	3.998	0.409
0.84	3.991	0.405
0.842	3.984	0.401
0.843	3.976	0.397
0.845	3.969	0.392
0.846	3.962	0.388
0.848	3.955	0.384
0.85	3.949	0.38
0.851	3.942	0.377
0.853	3.935	0.373
0.854	3.929	0.369
0.856	3.922	0.365
0.858	3.916	0.362
0.859	3.91	0.358
0.861	3.904	0.354
0.862	3.898	0.351
0.864	3.892	0.347
0.866	3.886	0.344
0.867	3.881	0.34
0.869	3.875	0.337
0.87	3.869	0.334
0.872	3.864	0.33
0.874	3.858	0.327
0.875	3.853	0.324
0.877	3.847	0.321
0.878	3.842	0.318
0.88	3.837	0.315
0.882	3.832	0.312
0.883	3.827	0.309
0.885	3.822	0.306
0.886	3.817	0.303
0.888	3.812	0.3
0.89	3.807	0.297
0.891	3.802	0.294
0.893	3.798	0.291
0.894	3.793	0.288
0.896	3.788	0.286
0.898	3.784	0.283
0.899	3.779	0.28
0.901	3.775	0.278
0.902	3.77	0.275
0.904	3.766	0.272
0.906	3.761	0.27
0.907	3.757	0.267
0.909	3.753	0.265
0.91	3.748	0.262
0.912	3.744	0.26
0.914	3.74	0.257
0.915	3.736	0.255
0.917	3.732	0.253
0.918	3.728	0.25
0.92	3.724	0.248
0.922	3.72	0.246
0.923	3.716	0.243
0.925	3.712	0.241
0.926	3.708	0.239
0.928	3.704	0.237
0.93	3.7	0.234
0.931	3.697	0.232
0.933	3.693	0.23
0.934	3.689	0.228
0.936	3.685	0.226
0.938	3.682	0.224
0.939	3.678	0.222
0.941	3.675	0.22
0.942	3.671	0.217
0.944	3.667	0.215
0.946	3.664	0.213
0.947	3.66	0.212
0.949	3.657	0.21
0.95	3.654	0.208
0.952	3.65	0.206
0.954	3.647	0.204
0.955	3.644	0.202
0.957	3.64	0.2
0.958	3.637	0.198
0.96	3.634	0.196
0.962	3.63	0.195
0.963	3.627	0.193
0.965	3.624	0.191
0.966	3.621	0.189
0.968	3.618	0.188
0.97	3.614	0.186
0.971	3.611	0.184
0.973	3.608	0.182
0.974	3.605	0.181
0.976	3.602	0.179
0.978	3.599	0.178
0.979	3.596	0.176
0.981	3.593	0.174
0.982	3.59	0.173
0.984	3.587	0.171
0.986	3.584	0.17
0.987	3.581	0.168
0.989	3.579	0.166
0.99	3.576	0.165
0.992	3.573	0.163
0.994	3.57	0.162
0.995	3.567	0.16
0.997	3.564	0.159
0.998	3.562	0.158
1.0	3.559	0.156

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: —

ZrSe₂ (Zirconium diselenide): all datasets

Multilayer flakes

About ZrSe2 (Zirconium diselenide)

Zirconium diselenide (ZrSe₂) is a layered transition metal dichalcogenide known for its unique electronic and optical properties. This material crystallizes in a hexagonal structure, similar to other dichalcogenides, and is recognized for its semiconducting behavior. ZrSe₂ exhibits an indirect bandgap, which is a point of interest for its applications in electronic and optoelectronic devices. The ability to exfoliate ZrSe₂ into thin films or monolayers opens up possibilities in the realm of two-dimensional material science, potentially paving the way for innovations in flexible and transparent electronic devices. Besides its electronic properties, ZrSe₂ is also notable for its thermal and mechanical stability. The exploration of its optical properties, particularly the refractive index, is essential for the development of optical components such as waveguides and photodetectors, where precise control of light-matter interactions is crucial. As research in ZrSe₂ advances, detailed knowledge of its refractive index across different wavelengths will be invaluable for both fundamental research and practical technological applications.

More about ZrSe2 (Zirconium diselenide) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/ZrSe2/nk/Zotev-o.yml
ID: ds_329e4ae1b950
API: /v1/datasets/ds_329e4ae1b950

Plot