Optical constants

Refractive index of Zn (Zinc)

Querry 1987: n,k 0.360–55.6 µm

Data: tabulated nk
Range: 0.36–55.56 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: 13.6817
Extinction coefficient k: 3.19744

Permittivity ε₁: 176.965
Permittivity ε₂: 87.4927

Absorption coefficient α: 683802 cm⁻¹
Penetration depth δ = λ/(2πk): 29.2482 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -8.2 µm⁻¹

Group index n_g: 18.5
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): Querry 1987: n,k 0.360–55.6 µm
zn = ls.fetch_refractiveindex("main", "Zn", "Querry", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(zn.range_nm)  # (360, 55555.6) 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_0b6797ee0bfd/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/querry-1987).

# ... 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.

References

M. R. Querry. Optical constants of minerals and other materials from the millimeter to the ultraviolet, Contractor Report CRDEC-CR-88009 (1987)

Cite

M. R. Querry. Optical constants of minerals and other materials from the millimeter to the ultraviolet, Contractor Report CRDEC-CR-88009 (1987); 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), Querry 1987: n,k 0.360–55.6 µm: n and k versus wavelength
λ (µm)	n	k
0.36	8.992	6.001
0.4	10.35	6.499
0.44	11.678	6.325
0.48	12.71	5.752
0.52	13.496	5.09
0.56	13.908	3.973
0.6	13.58	2.849
0.64	12.938	2.259
0.68	12.369	2.039
0.72	11.905	1.791
0.76	11.362	1.538
0.8	10.662	1.315
0.84	9.874	1.271
0.88	9.065	1.35
0.92	8.215	1.421
0.96	7.142	1.696
1.0	6.031	2.26
1.04	5.026	3.177
1.08	4.315	4.337
1.12	3.948	5.509
1.16	3.788	6.582
1.2	3.77	7.524
1.24	3.801	8.361
1.28	3.863	9.09
1.32	3.92	9.72
1.36	3.922	10.33
1.4	3.886	10.865
1.44	3.825	11.484
1.48	3.789	12.112
1.52	3.803	12.757
1.56	3.805	13.337
1.6	3.821	13.905
1.64	3.814	14.498
1.68	3.801	15.05
1.72	3.833	15.633
1.76	3.847	16.213
1.8	3.818	16.712
1.84	3.714	17.34
1.88	3.696	17.946
1.92	3.65	18.762
1.96	3.853	19.48
2.0	4.052	20.163
2.04	4.281	20.7
2.08	4.508	21.165
2.12	4.549	21.713
2.16	4.806	22.313
2.2	4.977	22.876
2.24	5.152	23.264
2.28	5.313	23.788
2.32	5.414	24.199
2.36	5.598	24.711
2.4	5.632	25.121
2.44	5.826	25.784
2.48	6.075	26.515
2.5126	6.477	26.476
2.5381	6.458	26.673
2.5641	6.474	26.922
2.5907	6.494	27.229
2.6178	6.554	27.553
2.6455	6.613	27.884
2.6738	6.702	28.229
2.7027	6.794	28.584
2.7322	6.911	28.943
2.7624	7.037	29.293
2.7933	7.163	29.619
2.8249	7.277	29.974
2.8571	7.397	30.342
2.8902	7.529	30.708
2.924	7.662	31.076
2.9586	7.803	31.429
2.994	7.924	31.804
3.0303	8.063	32.216
3.0675	8.199	32.624
3.1056	8.377	33.057
3.1447	8.559	33.48
3.1847	8.735	33.865
3.2258	8.913	34.293
3.268	9.045	34.725
3.3113	9.224	35.147
3.3557	9.431	35.627
3.4014	9.616	36.06
3.4483	9.775	36.547
3.4965	9.956	37.009
3.5461	10.123	37.488
3.5971	10.328	38.085
3.6496	10.578	38.58
3.7037	10.746	39.111
3.7594	11.0	39.715
3.8168	11.221	40.288
3.876	11.501	40.927
3.937	11.777	41.558
4.0	12.16	42.185
4.065	12.48	42.726
4.1322	12.774	43.34
4.2017	13.008	43.986
4.2735	13.354	44.731
4.3478	13.635	45.405
4.4248	13.946	46.196
4.5045	14.292	47.102
4.5872	14.857	48.009
4.6729	15.488	48.904
4.7619	16.161	49.621
4.8544	16.819	50.436
4.9505	17.53	51.017
5.0505	18.191	51.668
5.1546	18.797	52.101
5.2632	19.153	52.638
5.3763	19.457	53.447
5.4945	19.833	54.558
5.618	20.37	55.262
5.7471	20.769	56.505
5.8824	21.377	57.732
6.0241	22.399	58.979
6.1728	23.028	59.996
6.3291	23.878	61.254
6.4935	24.991	62.634
6.6667	26.292	63.629
6.8493	27.29	64.859
7.0423	28.488	65.919
7.2464	29.97	66.91
7.4627	31.211	67.433
7.6923	31.694	68.409
7.9365	32.638	69.591
8.1967	33.695	71.171
8.4746	34.663	72.269
8.7719	35.672	74.388
9.0909	37.075	76.542
9.434	39.401	78.442
9.8039	41.32	80.128
10.2041	43.876	81.589
10.6383	45.756	82.396
11.1111	47.782	83.762
11.6279	49.823	84.687
12.1951	51.232	85.854
12.8205	52.501	87.426
13.5135	53.742	89.321
14.2857	54.374	91.935
15.1515	55.875	95.006
16.129	57.434	99.041
17.2414	58.885	102.894
18.5185	61.035	108.579
20.0	64.014	113.795
21.7391	69.027	119.715
23.8095	70.156	123.576
26.3158	70.053	130.486
29.4118	69.476	141.399
33.3333	68.792	158.015
38.4615	67.508	181.014
45.4545	67.433	219.672
55.5556	73.813	286.308

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/Querry.yml
ID: ds_0b6797ee0bfd
API: /v1/datasets/ds_0b6797ee0bfd

Plot