Optical constants

Refractive index of Zn (Zinc)

Werner et al. 2009: DFT calculations; n,k 0.0176–2.48 µm

Data: tabulated nk
Range: 0.01759–2.48 µm
Points: 150
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 2.49953
Extinction coefficient k: 6.75228

Permittivity ε₁: -39.3456
Permittivity ε₂: 33.7551

Absorption coefficient α: 1.44404e+06 cm⁻¹
Penetration depth δ = λ/(2πk): 13.8501 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: 15.3296 µm⁻¹

Group index n_g: -6.50812
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

# Zn (Zinc): Werner et al. 2009: DFT calculations; n,k 0.0176–2.48 µm
zn = ls.fetch_refractiveindex("main", "Zn", "Werner-DFT", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(zn.range_nm)  # (17.586, 2479.68) nm
eps = zn.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_7e211d7b1c34/lightsmith"
zn = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(zn.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (zn/werner-2009-dft).

# ... load zn as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=zn)],
    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

Theoretical density function theory (DFT) calculations.

References

W. S. M. Werner, K. Glantschnig, C. Ambrosch-Draxl. Optical constants and inelastic electron-scattering data for 17 elemental metals. J. Phys Chem Ref. Data 38, 1013-1092 (2009)

doi:10.1063/1.3243762 Optical Constants and Inelastic Electron-Scattering Data for 17 Elemental Metals, Journal of Physical and Chemical Reference Data (2009)

Cite

Wolfgang S. M. Werner, Kathrin Glantschnig and Claudia Ambrosch-Draxl. Optical Constants and Inelastic Electron-Scattering Data for 17 Elemental Metals. Journal of Physical and Chemical Reference Data, 38, 1013-1092 (2009), doi:10.1063/1.3243762; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

150 rows as published

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

Zn (Zinc), Werner et al. 2009: DFT calculations; n,k 0.0176–2.48 µm: n and k versus wavelength
λ (µm)	n	k
0.017586	0.9396	0.042
0.017712	0.939	0.0426
0.017839	0.9391	0.0437
0.017969	0.9386	0.0442
0.0181	0.9376	0.0448
0.018233	0.9365	0.0459
0.018368	0.935	0.0476
0.018505	0.9351	0.0497
0.018644	0.9357	0.0508
0.018785	0.9358	0.0513
0.018929	0.9347	0.0508
0.019074	0.9326	0.0531
0.019222	0.9322	0.0552
0.019373	0.934	0.0573
0.019525	0.935	0.0572
0.01968	0.9344	0.0557
0.019837	0.9333	0.0557
0.019997	0.9306	0.0543
0.02016	0.9242	0.0557
0.020325	0.9224	0.0618
0.020493	0.9227	0.0661
0.020664	0.9231	0.071
0.020838	0.9243	0.0736
0.021014	0.9268	0.0771
0.021194	0.9301	0.0785
0.021377	0.9317	0.0773
0.021562	0.9322	0.0772
0.021752	0.9317	0.0773
0.021944	0.9312	0.0779
0.02214	0.9323	0.0788
0.022339	0.9306	0.0779
0.022543	0.9286	0.0792
0.022749	0.9278	0.0825
0.02296	0.9281	0.0857
0.023175	0.9294	0.0882
0.023393	0.9315	0.088
0.023616	0.9309	0.087
0.023843	0.9295	0.0888
0.024075	0.9307	0.0903
0.024311	0.9307	0.0908
0.024551	0.9322	0.0896
0.024797	0.9294	0.0882
0.025047	0.9256	0.0881
0.025303	0.9194	0.0914
0.025564	0.917	0.0998
0.02583	0.9215	0.1058
0.026102	0.9249	0.107
0.02638	0.9265	0.1069
0.026663	0.9264	0.1063
0.026953	0.9266	0.1079
0.027249	0.9255	0.1075
0.027552	0.9232	0.111
0.027862	0.9229	0.1127
0.028178	0.92	0.1158
0.028502	0.9206	0.1206
0.028834	0.9213	0.1254
0.029173	0.9249	0.1281
0.02952	0.9264	0.1312
0.029876	0.9308	0.1316
0.03024	0.9308	0.1321
0.030613	0.9327	0.134
0.030996	0.9344	0.1343
0.031388	0.9358	0.1368
0.031791	0.9394	0.1357
0.032204	0.9421	0.1327
0.032627	0.9406	0.1292
0.033062	0.9379	0.129
0.033509	0.9357	0.1283
0.033968	0.9349	0.1305
0.03444	0.9344	0.1311
0.034925	0.9341	0.1285
0.035424	0.9302	0.1279
0.035937	0.9255	0.1248
0.036466	0.9205	0.1315
0.03701	0.9181	0.1302
0.037571	0.9158	0.1332
0.038149	0.9105	0.134
0.038745	0.907	0.1367
0.03936	0.9014	0.1398
0.039995	0.8976	0.1471
0.040651	0.8954	0.1541
0.041328	0.9037	0.1632
0.042029	0.9091	0.1501
0.042753	0.8956	0.1345
0.043503	0.8699	0.1368
0.04428	0.8467	0.1577
0.045085	0.8425	0.184
0.04592	0.8465	0.2014
0.046786	0.8506	0.2181
0.047686	0.8632	0.2369
0.048621	0.8814	0.2428
0.049594	0.8989	0.2431
0.050606	0.9138	0.2282
0.05166	0.9162	0.2058
0.052759	0.8998	0.1862
0.053906	0.8782	0.1765
0.055104	0.8499	0.18
0.056356	0.8358	0.1884
0.057667	0.8179	0.1975
0.05904	0.7942	0.1996
0.06048	0.7615	0.2141
0.061992	0.7299	0.2445
0.063582	0.7051	0.29
0.065255	0.7014	0.3536
0.067018	0.7351	0.3979
0.06888	0.7652	0.4214
0.070848	0.7992	0.4298
0.072932	0.8266	0.4113
0.075142	0.8138	0.3889
0.07749	0.7925	0.3874
0.07999	0.7718	0.3945
0.082656	0.7487	0.4081
0.085506	0.7243	0.4273
0.08856	0.7055	0.4536
0.09184	0.6864	0.4691
0.095372	0.6444	0.4881
0.099187	0.5899	0.5467
0.10332	0.5719	0.6286
0.107812	0.5718	0.6978
0.112713	0.5819	0.7698
0.11808	0.6186	0.8196
0.123984	0.6127	0.8291
0.13051	0.5962	0.8755
0.13776	0.5782	0.9046
0.145864	0.5119	0.9376
0.15498	0.4246	1.0316
0.165312	0.3371	1.1361
0.17712	0.2035	1.3219
0.190745	0.1706	1.6116
0.20664	0.1881	1.8691
0.225426	0.2018	2.1477
0.247968	0.2396	2.4711
0.261019	0.268	2.6531
0.27552	0.3041	2.8509
0.291728	0.3511	3.0675
0.30996	0.4049	3.3023
0.330625	0.4694	3.5716
0.354241	0.5547	3.8798
0.38149	0.6688	4.2345
0.413281	0.825	4.6479
0.450852	1.0474	5.1361
0.495937	1.3838	5.7195
0.551041	1.9391	6.4093
0.619921	2.995	7.0555
0.708481	4.2348	6.9879
0.826561	5.3421	6.5156
0.991874	5.4405	4.586
1.239842	1.7149	5.542
1.653123	1.1623	10.1284
2.479684	2.0155	16.718

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: —

Zn (Zinc): all datasets

Experimental data

Models and simulations

Werner et al. 2009: DFT calculations; n,k 0.0176–2.48 µm n,k 0.01759–2.48 µm

About Zn (Zinc)

Zinc (Zn) is a bluish-white, lustrous metal that belongs to group 12 of the periodic table. Essential in small amounts for human health, zinc plays a vital role in numerous biological processes and is an essential trace element. Industrially, it is primarily used for galvanizing steel to prevent rusting, an application that consumes over half of the global production. Zinc is also used in the production of many alloys such as brass, bronze, and various solders. In the realm of optics, zinc can be found as an essential component in some glass formulations due to its ability to increase the refractive index. Moreover, it is a semiconducting material employed in photovoltaic applications and the production of zinc oxide (ZnO), which has uses ranging from sunscreens to electronics.

More about Zn (Zinc) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/Zn/nk/Werner-DFT.yml
ID: ds_7e211d7b1c34
API: /v1/datasets/ds_7e211d7b1c34

Plot