Optical constants

Refractive index of Ni (Nickel)

Werner et al. 2009: 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: 1.163
Extinction coefficient k: 5.71846

Permittivity ε₁: -31.3482
Permittivity ε₂: 13.3012

Absorption coefficient α: 1.22295e+06 cm⁻¹
Penetration depth δ = λ/(2πk): 16.354 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: 2.38531 µm⁻¹

Group index n_g: -0.238602
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

# Ni (Nickel): Werner et al. 2009: n,k 0.0176–2.48 µm
ni = ls.fetch_refractiveindex("main", "Ni", "Werner", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(ni.range_nm)  # (17.586, 2479.68) nm
eps = ni.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_2a4be6ba2749/lightsmith"
ni = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(ni.source)  # citation and provenance travel with the data

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

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

Experimental data: Derived from reflection electron energy-loss spectroscopy (REELS) spectra.

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

Ni (Nickel), Werner et al. 2009: n,k 0.0176–2.48 µm: n and k versus wavelength
λ (µm)	n	k
0.017586	0.8996	0.1556
0.017712	0.8961	0.1579
0.017839	0.8927	0.1608
0.017969	0.8883	0.1644
0.0181	0.8829	0.1688
0.018233	0.8765	0.174
0.018368	0.8686	0.1802
0.018505	0.8595	0.1891
0.018644	0.8476	0.2012
0.018785	0.8343	0.2193
0.018929	0.8181	0.2475
0.019074	0.8046	0.2939
0.019222	0.8093	0.3688
0.019373	0.8758	0.4647
0.019525	1.0291	0.4941
0.01968	1.1437	0.3939
0.019837	1.1528	0.288
0.019997	1.1258	0.2287
0.02016	1.0979	0.1986
0.020325	1.0758	0.1827
0.020493	1.0584	0.1738
0.020664	1.0447	0.1685
0.020838	1.0337	0.1659
0.021014	1.0252	0.1644
0.021194	1.0176	0.1631
0.021377	1.0117	0.1631
0.021562	1.0063	0.163
0.021752	1.0019	0.1637
0.021944	0.9975	0.1644
0.02214	0.9941	0.165
0.022339	0.9907	0.1655
0.022543	0.9878	0.1665
0.022749	0.9849	0.1675
0.02296	0.9825	0.1684
0.023175	0.9802	0.1699
0.023393	0.9779	0.1713
0.023616	0.976	0.1721
0.023843	0.9737	0.1736
0.024075	0.9719	0.1749
0.024311	0.9701	0.1763
0.024551	0.9683	0.1776
0.024797	0.9665	0.179
0.025047	0.9647	0.1809
0.025303	0.9629	0.1823
0.025564	0.9612	0.1841
0.02583	0.9594	0.1855
0.026102	0.9577	0.1874
0.02638	0.956	0.1893
0.026663	0.9542	0.1913
0.026953	0.9525	0.1932
0.027249	0.9508	0.1951
0.027552	0.9491	0.197
0.027862	0.9474	0.199
0.028178	0.9452	0.201
0.028502	0.9435	0.203
0.028834	0.9413	0.205
0.029173	0.9391	0.2071
0.02952	0.9369	0.2092
0.029876	0.9348	0.2118
0.03024	0.9326	0.2139
0.030613	0.9299	0.2162
0.030996	0.9267	0.2185
0.031388	0.9241	0.2213
0.031791	0.9204	0.2238
0.032204	0.9172	0.2262
0.032627	0.913	0.2295
0.033062	0.9088	0.2322
0.033509	0.9036	0.2357
0.033968	0.8986	0.2398
0.03444	0.8926	0.2442
0.034925	0.8849	0.2492
0.035424	0.8767	0.2561
0.035937	0.8659	0.2662
0.036466	0.8536	0.2858
0.03701	0.8588	0.3295
0.037571	0.921	0.3198
0.038149	0.9047	0.2835
0.038745	0.8831	0.2808
0.03936	0.8672	0.2865
0.039995	0.8537	0.2946
0.040651	0.8421	0.3052
0.041328	0.8303	0.3168
0.042029	0.8199	0.3305
0.042753	0.8095	0.3453
0.043503	0.7997	0.3626
0.04428	0.7916	0.3815
0.045085	0.7841	0.4023
0.04592	0.7784	0.4253
0.046786	0.7748	0.4498
0.047686	0.7743	0.4759
0.048621	0.7771	0.5019
0.049594	0.7829	0.5282
0.050606	0.7922	0.5529
0.05166	0.8041	0.5758
0.052759	0.8178	0.5949
0.053906	0.8312	0.6106
0.055104	0.8437	0.6228
0.056356	0.8532	0.6324
0.057667	0.8592	0.6413
0.05904	0.8608	0.6511
0.06048	0.8592	0.6634
0.061992	0.8553	0.6793
0.063582	0.8505	0.7002
0.065255	0.8466	0.7258
0.067018	0.8447	0.7559
0.06888	0.8462	0.79
0.070848	0.8517	0.8266
0.072932	0.8623	0.8652
0.075142	0.8777	0.9041
0.07749	0.8983	0.9423
0.07999	0.9231	0.9783
0.082656	0.9517	1.0108
0.085506	0.9826	1.039
0.08856	1.014	1.0626
0.09184	1.0441	1.0808
0.095372	1.0702	1.0951
0.099187	1.0909	1.1064
0.10332	1.1034	1.1174
0.107812	1.1072	1.1313
0.112713	1.1019	1.1525
0.11808	1.0893	1.1847
0.123984	1.0723	1.2328
0.13051	1.0568	1.3007
0.13776	1.0513	1.3893
0.145864	1.0687	1.4934
0.15498	1.1173	1.5901
0.165312	1.1659	1.649
0.17712	1.1608	1.7048
0.190745	1.1244	1.8183
0.20664	1.0981	1.9957
0.225426	1.1021	2.2335
0.247968	1.1658	2.5377
0.261019	1.2409	2.7109
0.27552	1.3623	2.8823
0.291728	1.5359	3.0174
0.30996	1.7308	3.0636
0.330625	1.8491	3.0017
0.354241	1.7887	2.9265
0.38149	1.5692	2.9942
0.413281	1.3147	3.2825
0.450852	1.1294	3.7654
0.495937	1.0475	4.4014
0.551041	1.0758	5.1912
0.619921	1.2401	6.1846
0.708481	1.6301	7.488
0.826561	2.5232	9.2866
0.991874	4.8909	11.6849
1.239842	10.8285	11.8415
1.653123	12.4317	5.895
2.479684	7.1193	4.0993

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: —

Ni (Nickel): all datasets

Experimental data

Models and simulations

About Ni (Nickel)

Nickel (Ni) is a silvery-white, lustrous metal with a slight golden tinge. It belongs to the transition metals and is hard, ductile, and ferromagnetic. In optics, nickel is commonly used as a coating material. Nickel coatings can be applied to various substrates to provide protection, reduce reflectance, or to promote adhesion for subsequent coatings. Moreover, electroplated nickel can serve as a mold surface for the precision replication of optical components. Beyond its optical applications, nickel is extensively used in many other industries, primarily in the production of stainless steel and other nickel alloys. It is also a key component in rechargeable battery systems, like those found in electric vehicles and portable electronics. Nickel's natural resistance to corrosion and its alloying properties make it a valuable metal in various engineering applications.

More about Ni (Nickel) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/Ni/nk/Werner.yml
ID: ds_2a4be6ba2749
API: /v1/datasets/ds_2a4be6ba2749

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