Optical constants

Refractive index of Si-O (Non-stoichiometric silicon oxide)

Herguedas and Carretero 2023: SiO1.89; n,k 5.0–25 µm

Data: tabulated nk
Range: 5–25 µm
Points: 801
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 1.76896
Extinction coefficient k: 0.05812

Permittivity ε₁: 3.12584
Permittivity ε₂: 0.205624

Absorption coefficient α: 652.105 cm⁻¹
Penetration depth δ = λ/(2πk): 30669.9 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.36 µm⁻¹

Group index n_g: 5.80096
Group velocity dispersion: — fs²/mm

Dispersion parameter D: — ps/(nm·km)
Photon energy: 0.1107 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

# Si-O (Non-stoichiometric silicon oxide): Herguedas and Carretero 2023: SiO1.89; n,k 5.0–25 µm
si_o = ls.fetch_refractiveindex("other", "Si-O", "Herguedas-SiO1.89", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(si_o.range_nm)  # (5000, 25000) nm
eps = si_o.eps([11200])  # 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_5e00ab723ba3/lightsmith"
si_o = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(si_o.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (si-o/herguedas-carretero-2023-sio1-89).

# ... load si_o as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=si_o)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=5000, stop_nm=25000, 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

SiO_1.89. Sputtered Si with 80 sccm O₂ and 120 sccm Ar, which is equivalent to a oxygen partial pressure of 5.9 × 10^-4 mbar and a total pressure of 1.6 × 10^-3 mbar. Room temperature.

References

N. Herguedas and E. Carretero. Optical properties in mid-infrared range of silicon oxide thin films with different stoichiometries. Nanomaterials 13, 2749 (2023)

doi:10.3390/nano13202749 Optical Properties in Mid-Infrared Range of Silicon Oxide Thin Films with Different Stoichiometries, Nanomaterials (2023)

Cite

Natalia Herguedas and Enrique Carretero. Optical Properties in Mid-Infrared Range of Silicon Oxide Thin Films with Different Stoichiometries. Nanomaterials, 13, 2749 (2023), doi:10.3390/nano13202749; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

801 rows as published

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

Si-O (Non-stoichiometric silicon oxide), Herguedas and Carretero 2023: SiO1.89; n,k 5.0–25 µm: n and k versus wavelength
λ (µm)	n	k
5.0	1.332	0.001
5.005	1.332	0.001
5.01	1.332	0.001
5.015	1.331	0.001
5.02	1.331	0.001
5.025	1.331	0.001
5.03	1.331	0.001
5.035	1.33	0.001
5.04	1.33	0.001
5.045	1.33	0.001
5.051	1.33	0.001
5.056	1.329	0.001
5.061	1.329	0.001
5.066	1.329	0.001
5.071	1.328	0.001
5.076	1.328	0.001
5.081	1.328	0.001
5.086	1.327	0.001
5.092	1.327	0.001
5.097	1.327	0.001
5.102	1.327	0.001
5.107	1.326	0.001
5.112	1.326	0.001
5.118	1.326	0.001
5.123	1.325	0.001
5.128	1.325	0.001
5.133	1.325	0.001
5.139	1.324	0.001
5.144	1.324	0.001
5.149	1.324	0.001
5.155	1.324	0.001
5.16	1.323	0.001
5.165	1.323	0.001
5.171	1.323	0.001
5.176	1.322	0.001
5.181	1.322	0.002
5.187	1.322	0.002
5.192	1.321	0.002
5.198	1.321	0.002
5.203	1.321	0.002
5.208	1.32	0.002
5.214	1.32	0.002
5.219	1.32	0.002
5.225	1.319	0.002
5.23	1.319	0.002
5.236	1.319	0.002
5.241	1.318	0.002
5.247	1.318	0.002
5.252	1.318	0.002
5.258	1.317	0.002
5.263	1.317	0.002
5.269	1.317	0.002
5.274	1.316	0.002
5.28	1.316	0.002
5.285	1.316	0.002
5.291	1.315	0.002
5.297	1.315	0.002
5.302	1.315	0.002
5.308	1.314	0.002
5.313	1.314	0.002
5.319	1.313	0.002
5.325	1.313	0.002
5.33	1.313	0.002
5.336	1.312	0.002
5.342	1.312	0.002
5.348	1.312	0.002
5.353	1.311	0.002
5.359	1.311	0.002
5.365	1.31	0.002
5.371	1.31	0.002
5.376	1.31	0.002
5.382	1.309	0.002
5.388	1.309	0.002
5.394	1.309	0.002
5.4	1.308	0.002
5.405	1.308	0.002
5.411	1.307	0.002
5.417	1.307	0.002
5.423	1.307	0.002
5.429	1.306	0.002
5.435	1.306	0.002
5.441	1.305	0.002
5.447	1.305	0.002
5.453	1.305	0.002
5.459	1.304	0.002
5.464	1.304	0.002
5.47	1.303	0.002
5.476	1.303	0.002
5.482	1.302	0.002
5.488	1.302	0.002
5.495	1.302	0.002
5.501	1.301	0.002
5.507	1.301	0.002
5.513	1.3	0.002
5.519	1.3	0.002
5.525	1.299	0.002
5.531	1.299	0.002
5.537	1.299	0.002
5.543	1.298	0.002
5.549	1.298	0.002
5.556	1.297	0.002
5.562	1.297	0.002
5.568	1.296	0.002
5.574	1.296	0.002
5.58	1.295	0.002
5.587	1.295	0.002
5.593	1.294	0.002
5.599	1.294	0.002
5.605	1.294	0.002
5.612	1.293	0.002
5.618	1.293	0.002
5.624	1.292	0.002
5.631	1.292	0.002
5.637	1.291	0.002
5.643	1.291	0.002
5.65	1.29	0.002
5.656	1.29	0.002
5.663	1.289	0.002
5.669	1.289	0.002
5.675	1.288	0.002
5.682	1.288	0.002
5.688	1.287	0.002
5.695	1.287	0.002
5.701	1.286	0.002
5.708	1.286	0.002
5.714	1.285	0.002
5.721	1.285	0.002
5.727	1.284	0.002
5.734	1.283	0.002
5.741	1.283	0.002
5.747	1.282	0.002
5.754	1.282	0.002
5.76	1.281	0.002
5.767	1.281	0.002
5.774	1.28	0.002
5.78	1.28	0.002
5.787	1.279	0.003
5.794	1.278	0.003
5.8	1.278	0.003
5.807	1.277	0.003
5.814	1.277	0.003
5.821	1.276	0.003
5.828	1.276	0.003
5.834	1.275	0.003
5.841	1.274	0.003
5.848	1.274	0.003
5.855	1.273	0.003
5.862	1.273	0.003
5.869	1.272	0.003
5.875	1.271	0.003
5.882	1.271	0.003
5.889	1.27	0.003
5.896	1.27	0.003
5.903	1.269	0.003
5.91	1.268	0.003
5.917	1.268	0.003
5.924	1.267	0.003
5.931	1.266	0.003
5.938	1.266	0.003
5.945	1.265	0.003
5.952	1.264	0.003
5.959	1.264	0.003
5.967	1.263	0.003
5.974	1.262	0.003
5.981	1.262	0.003
5.988	1.261	0.003
5.995	1.26	0.003
6.002	1.26	0.003
6.01	1.259	0.003
6.017	1.258	0.003
6.024	1.258	0.003
6.031	1.257	0.003
6.039	1.256	0.003
6.046	1.255	0.003
6.053	1.255	0.003
6.061	1.254	0.003
6.068	1.253	0.003
6.075	1.252	0.003
6.083	1.252	0.003
6.09	1.251	0.003
6.098	1.25	0.003
6.105	1.249	0.003
6.112	1.249	0.003
6.12	1.248	0.003
6.127	1.247	0.003
6.135	1.246	0.003
6.143	1.245	0.003
6.15	1.245	0.003
6.158	1.244	0.004
6.165	1.243	0.004
6.173	1.242	0.004
6.18	1.241	0.004
6.188	1.241	0.004
6.196	1.24	0.004
6.203	1.239	0.004
6.211	1.238	0.004
6.219	1.237	0.004
6.227	1.236	0.004
6.234	1.235	0.004
6.242	1.235	0.004
6.25	1.234	0.004
6.258	1.233	0.004
6.266	1.232	0.004
6.274	1.231	0.004
6.281	1.23	0.004
6.289	1.229	0.004
6.297	1.228	0.004
6.305	1.227	0.004
6.313	1.226	0.004
6.321	1.225	0.004
6.329	1.224	0.004
6.337	1.223	0.004
6.345	1.222	0.004
6.353	1.221	0.004
6.361	1.22	0.004
6.369	1.219	0.004
6.378	1.218	0.004
6.386	1.217	0.004
6.394	1.216	0.004
6.402	1.215	0.004
6.41	1.214	0.004
6.418	1.213	0.005
6.427	1.212	0.005
6.435	1.211	0.005
6.443	1.21	0.005
6.452	1.209	0.005
6.46	1.208	0.005
6.468	1.206	0.005
6.477	1.205	0.005
6.485	1.204	0.005
6.494	1.203	0.005
6.502	1.202	0.005
6.51	1.201	0.005
6.519	1.2	0.005
6.527	1.198	0.005
6.536	1.197	0.005
6.545	1.196	0.005
6.553	1.195	0.005
6.562	1.193	0.005
6.57	1.192	0.005
6.579	1.191	0.005
6.588	1.19	0.005
6.596	1.188	0.005
6.605	1.187	0.005
6.614	1.186	0.006
6.623	1.184	0.006
6.631	1.183	0.006
6.64	1.182	0.006
6.649	1.18	0.006
6.658	1.179	0.006
6.667	1.177	0.006
6.676	1.176	0.006
6.684	1.174	0.006
6.693	1.173	0.006
6.702	1.172	0.006
6.711	1.17	0.006
6.72	1.169	0.006
6.729	1.167	0.006
6.739	1.165	0.006
6.748	1.164	0.006
6.757	1.162	0.006
6.766	1.161	0.007
6.775	1.159	0.007
6.784	1.158	0.007
6.793	1.156	0.007
6.803	1.154	0.007
6.812	1.153	0.007
6.821	1.151	0.007
6.831	1.149	0.007
6.84	1.147	0.007
6.849	1.146	0.007
6.859	1.144	0.007
6.868	1.142	0.007
6.878	1.14	0.007
6.887	1.138	0.007
6.897	1.136	0.008
6.906	1.135	0.008
6.916	1.133	0.008
6.925	1.131	0.008
6.935	1.129	0.008
6.944	1.127	0.008
6.954	1.125	0.008
6.964	1.123	0.008
6.974	1.121	0.008
6.983	1.118	0.008
6.993	1.116	0.008
7.003	1.114	0.009
7.013	1.112	0.009
7.022	1.11	0.009
7.032	1.107	0.009
7.042	1.105	0.009
7.052	1.103	0.009
7.062	1.1	0.009
7.072	1.098	0.009
7.082	1.096	0.009
7.092	1.093	0.01
7.102	1.091	0.01
7.112	1.088	0.01
7.123	1.086	0.01
7.133	1.083	0.01
7.143	1.08	0.01
7.153	1.078	0.01
7.163	1.075	0.01
7.174	1.072	0.011
7.184	1.069	0.011
7.194	1.066	0.011
7.205	1.063	0.011
7.215	1.06	0.011
7.225	1.057	0.011
7.236	1.054	0.012
7.246	1.051	0.012
7.257	1.048	0.012
7.267	1.045	0.012
7.278	1.041	0.012
7.289	1.038	0.012
7.299	1.035	0.013
7.31	1.031	0.013
7.321	1.028	0.013
7.331	1.024	0.013
7.342	1.02	0.014
7.353	1.016	0.014
7.364	1.013	0.014
7.375	1.009	0.014
7.386	1.005	0.015
7.396	1.001	0.015
7.407	0.996	0.015
7.418	0.992	0.015
7.429	0.988	0.016
7.44	0.983	0.016
7.452	0.979	0.016
7.463	0.974	0.017
7.474	0.969	0.017
7.485	0.964	0.017
7.496	0.959	0.018
7.508	0.954	0.018
7.519	0.949	0.019
7.53	0.943	0.019
7.541	0.938	0.02
7.553	0.932	0.02
7.564	0.926	0.021
7.576	0.92	0.022
7.587	0.914	0.022
7.599	0.907	0.023
7.61	0.901	0.024
7.622	0.894	0.025
7.634	0.887	0.026
7.645	0.879	0.027
7.657	0.872	0.028
7.669	0.864	0.029
7.68	0.856	0.031
7.692	0.848	0.032
7.704	0.84	0.034
7.716	0.831	0.036
7.728	0.822	0.038
7.74	0.812	0.04
7.752	0.802	0.042
7.764	0.792	0.045
7.776	0.782	0.048
7.788	0.771	0.051
7.8	0.76	0.055
7.812	0.749	0.059
7.825	0.737	0.063
7.837	0.725	0.068
7.849	0.712	0.074
7.862	0.699	0.08
7.874	0.686	0.087
7.886	0.672	0.094
7.899	0.658	0.102
7.911	0.644	0.112
7.924	0.63	0.122
7.937	0.615	0.133
7.949	0.601	0.145
7.962	0.586	0.159
7.974	0.572	0.174
7.987	0.558	0.19
8.0	0.545	0.207
8.013	0.533	0.226
8.026	0.521	0.246
8.039	0.511	0.267
8.052	0.502	0.289
8.065	0.495	0.312
8.078	0.489	0.335
8.091	0.485	0.358
8.104	0.483	0.381
8.117	0.482	0.405
8.13	0.482	0.427
8.143	0.483	0.45
8.157	0.486	0.471
8.17	0.489	0.492
8.183	0.494	0.513
8.197	0.499	0.532
8.21	0.505	0.551
8.224	0.511	0.569
8.237	0.518	0.586
8.251	0.525	0.603
8.264	0.533	0.618
8.278	0.541	0.633
8.292	0.549	0.647
8.306	0.556	0.661
8.319	0.564	0.673
8.333	0.572	0.685
8.347	0.58	0.696
8.361	0.588	0.706
8.375	0.595	0.716
8.389	0.602	0.726
8.403	0.608	0.734
8.418	0.614	0.743
8.432	0.62	0.75
8.446	0.624	0.758
8.46	0.628	0.765
8.475	0.632	0.772
8.489	0.634	0.778
8.503	0.636	0.785
8.518	0.637	0.792
8.532	0.637	0.799
8.547	0.636	0.806
8.562	0.634	0.814
8.576	0.632	0.822
8.591	0.628	0.831
8.606	0.623	0.841
8.621	0.618	0.852
8.636	0.611	0.864
8.651	0.605	0.878
8.666	0.597	0.893
8.681	0.589	0.91
8.696	0.582	0.929
8.711	0.574	0.95
8.726	0.566	0.973
8.741	0.56	0.998
8.757	0.554	1.024
8.772	0.549	1.053
8.787	0.545	1.084
8.803	0.543	1.117
8.818	0.543	1.151
8.834	0.545	1.187
8.85	0.55	1.224
8.865	0.556	1.262
8.881	0.565	1.301
8.897	0.577	1.341
8.913	0.591	1.381
8.929	0.608	1.421
8.945	0.627	1.462
8.961	0.649	1.502
8.977	0.674	1.542
8.993	0.702	1.582
9.009	0.732	1.62
9.025	0.765	1.658
9.042	0.8	1.695
9.058	0.838	1.73
9.074	0.878	1.764
9.091	0.921	1.796
9.107	0.966	1.826
9.124	1.013	1.854
9.141	1.062	1.88
9.158	1.113	1.904
9.174	1.166	1.925
9.191	1.22	1.944
9.208	1.276	1.96
9.225	1.333	1.973
9.242	1.391	1.984
9.259	1.45	1.991
9.276	1.509	1.995
9.294	1.569	1.996
9.311	1.63	1.995
9.328	1.69	1.99
9.346	1.75	1.981
9.363	1.81	1.97
9.381	1.87	1.955
9.398	1.929	1.938
9.416	1.986	1.917
9.434	2.043	1.893
9.452	2.098	1.867
9.47	2.152	1.837
9.488	2.204	1.805
9.506	2.254	1.77
9.524	2.301	1.733
9.542	2.347	1.694
9.56	2.391	1.652
9.579	2.431	1.609
9.597	2.47	1.563
9.615	2.505	1.517
9.634	2.538	1.468
9.653	2.568	1.419
9.671	2.595	1.369
9.69	2.619	1.318
9.709	2.641	1.266
9.728	2.659	1.214
9.747	2.674	1.161
9.766	2.687	1.109
9.785	2.697	1.057
9.804	2.704	1.005
9.823	2.708	0.954
9.843	2.709	0.904
9.862	2.709	0.854
9.881	2.705	0.806
9.901	2.7	0.758
9.921	2.692	0.712
9.94	2.682	0.668
9.96	2.67	0.625
9.98	2.657	0.583
10.0	2.642	0.543
10.02	2.625	0.505
10.04	2.607	0.469
10.06	2.588	0.434
10.081	2.568	0.401
10.101	2.547	0.37
10.121	2.526	0.341
10.142	2.503	0.314
10.163	2.481	0.288
10.183	2.458	0.264
10.204	2.434	0.242
10.225	2.411	0.222
10.246	2.388	0.203
10.267	2.364	0.186
10.288	2.341	0.17
10.309	2.318	0.156
10.331	2.296	0.143
10.352	2.273	0.131
10.373	2.252	0.12
10.395	2.23	0.111
10.417	2.21	0.102
10.438	2.189	0.094
10.46	2.17	0.088
10.482	2.151	0.082
10.504	2.132	0.076
10.526	2.114	0.072
10.549	2.097	0.068
10.571	2.08	0.064
10.593	2.063	0.061
10.616	2.048	0.059
10.638	2.032	0.056
10.661	2.018	0.055
10.684	2.003	0.053
10.707	1.99	0.052
10.73	1.976	0.051
10.753	1.963	0.05
10.776	1.951	0.049
10.799	1.938	0.049
10.823	1.926	0.049
10.846	1.915	0.048
10.87	1.904	0.048
10.893	1.893	0.048
10.917	1.882	0.049
10.941	1.871	0.049
10.965	1.861	0.049
10.989	1.851	0.05
11.013	1.841	0.05
11.038	1.831	0.051
11.062	1.821	0.052
11.086	1.812	0.053
11.111	1.802	0.053
11.136	1.793	0.055
11.161	1.783	0.056
11.186	1.774	0.057
11.211	1.765	0.059
11.236	1.756	0.061
11.261	1.747	0.063
11.287	1.737	0.065
11.312	1.728	0.067
11.338	1.719	0.07
11.364	1.71	0.073
11.39	1.701	0.076
11.416	1.692	0.08
11.442	1.683	0.084
11.468	1.675	0.089
11.494	1.666	0.094
11.521	1.658	0.1
11.547	1.65	0.106
11.574	1.642	0.112
11.601	1.635	0.119
11.628	1.628	0.127
11.655	1.621	0.135
11.682	1.615	0.144
11.71	1.61	0.153
11.737	1.605	0.163
11.765	1.602	0.173
11.792	1.599	0.183
11.82	1.597	0.194
11.848	1.596	0.204
11.876	1.596	0.215
11.905	1.597	0.226
11.933	1.599	0.236
11.962	1.603	0.246
11.99	1.607	0.256
12.019	1.612	0.265
12.048	1.619	0.273
12.077	1.626	0.281
12.107	1.633	0.287
12.136	1.642	0.293
12.165	1.651	0.298
12.195	1.66	0.301
12.225	1.67	0.304
12.255	1.68	0.305
12.285	1.69	0.305
12.315	1.7	0.305
12.346	1.709	0.303
12.376	1.718	0.3
12.407	1.727	0.296
12.438	1.736	0.291
12.469	1.743	0.285
12.5	1.75	0.279
12.531	1.757	0.272
12.563	1.762	0.264
12.594	1.767	0.256
12.626	1.771	0.247
12.658	1.774	0.239
12.69	1.776	0.23
12.723	1.778	0.221
12.755	1.778	0.212
12.788	1.778	0.203
12.821	1.777	0.194
12.853	1.775	0.185
12.887	1.773	0.177
12.92	1.77	0.169
12.953	1.767	0.161
12.987	1.763	0.154
13.021	1.759	0.147
13.055	1.754	0.141
13.089	1.749	0.135
13.123	1.744	0.13
13.158	1.738	0.125
13.193	1.733	0.12
13.228	1.727	0.116
13.263	1.721	0.112
13.298	1.715	0.109
13.333	1.709	0.106
13.369	1.704	0.103
13.405	1.698	0.101
13.441	1.692	0.099
13.477	1.686	0.097
13.514	1.681	0.096
13.55	1.675	0.095
13.587	1.67	0.094
13.624	1.665	0.093
13.661	1.66	0.092
13.699	1.655	0.092
13.736	1.65	0.092
13.774	1.645	0.092
13.812	1.641	0.091
13.85	1.636	0.092
13.889	1.632	0.092
13.928	1.627	0.092
13.966	1.623	0.092
14.006	1.619	0.093
14.045	1.615	0.093
14.085	1.611	0.093
14.124	1.607	0.094
14.164	1.603	0.094
14.205	1.6	0.095
14.245	1.596	0.096
14.286	1.592	0.096
14.327	1.589	0.097
14.368	1.585	0.098
14.409	1.582	0.098
14.451	1.578	0.099
14.493	1.575	0.1
14.535	1.572	0.101
14.577	1.568	0.101
14.62	1.565	0.102
14.663	1.562	0.103
14.706	1.559	0.104
14.749	1.555	0.105
14.793	1.552	0.106
14.837	1.549	0.107
14.881	1.546	0.107
14.925	1.543	0.108
14.97	1.54	0.109
15.015	1.537	0.11
15.06	1.533	0.111
15.106	1.53	0.112
15.152	1.527	0.113
15.198	1.524	0.114
15.244	1.521	0.115
15.291	1.518	0.116
15.337	1.515	0.117
15.385	1.512	0.119
15.432	1.509	0.12
15.48	1.506	0.121
15.528	1.503	0.122
15.576	1.5	0.123
15.625	1.497	0.124
15.674	1.493	0.125
15.723	1.49	0.127
15.773	1.487	0.128
15.823	1.484	0.129
15.873	1.481	0.13
15.924	1.478	0.132
15.974	1.475	0.133
16.026	1.471	0.134
16.077	1.468	0.135
16.129	1.465	0.137
16.181	1.462	0.138
16.234	1.458	0.14
16.287	1.455	0.141
16.34	1.451	0.142
16.393	1.448	0.144
16.447	1.445	0.145
16.502	1.441	0.147
16.556	1.438	0.148
16.611	1.434	0.15
16.667	1.43	0.152
16.722	1.427	0.153
16.779	1.423	0.155
16.835	1.419	0.157
16.892	1.415	0.158
16.949	1.411	0.16
17.007	1.407	0.162
17.065	1.403	0.164
17.123	1.399	0.165
17.182	1.395	0.167
17.241	1.39	0.169
17.301	1.386	0.171
17.361	1.381	0.173
17.422	1.376	0.175
17.483	1.372	0.178
17.544	1.367	0.18
17.606	1.362	0.182
17.668	1.356	0.184
17.73	1.351	0.187
17.794	1.346	0.189
17.857	1.34	0.192
17.921	1.334	0.194
17.986	1.328	0.197
18.051	1.322	0.2
18.116	1.315	0.203
18.182	1.308	0.206
18.248	1.301	0.209
18.315	1.294	0.212
18.382	1.287	0.216
18.45	1.279	0.219
18.519	1.27	0.223
18.587	1.262	0.227
18.657	1.252	0.232
18.727	1.243	0.236
18.797	1.233	0.241
18.868	1.222	0.246
18.939	1.211	0.252
19.011	1.198	0.258
19.084	1.186	0.265
19.157	1.172	0.272
19.231	1.158	0.28
19.305	1.142	0.289
19.38	1.126	0.3
19.455	1.108	0.311
19.531	1.09	0.325
19.608	1.07	0.34
19.685	1.049	0.358
19.763	1.028	0.378
19.841	1.006	0.402
19.92	0.984	0.43
20.0	0.962	0.462
20.08	0.941	0.499
20.161	0.923	0.54
20.243	0.907	0.586
20.325	0.896	0.637
20.408	0.89	0.691
20.492	0.891	0.748
20.576	0.897	0.807
20.661	0.911	0.867
20.747	0.931	0.926
20.833	0.958	0.984
20.921	0.991	1.04
21.008	1.03	1.093
21.097	1.074	1.142
21.186	1.123	1.188
21.277	1.177	1.228
21.368	1.235	1.264
21.459	1.296	1.295
21.552	1.36	1.319
21.645	1.426	1.338
21.739	1.493	1.351
21.834	1.561	1.357
21.93	1.63	1.357
22.026	1.697	1.351
22.124	1.764	1.339
22.222	1.828	1.321
22.321	1.89	1.297
22.422	1.949	1.268
22.523	2.004	1.234
22.624	2.055	1.196
22.727	2.102	1.154
22.831	2.143	1.109
22.936	2.18	1.061
23.041	2.211	1.011
23.148	2.237	0.96
23.256	2.258	0.909
23.364	2.273	0.857
23.474	2.283	0.806
23.585	2.289	0.755
23.697	2.289	0.707
23.81	2.286	0.66
23.923	2.279	0.615
24.038	2.268	0.574
24.155	2.255	0.535
24.272	2.239	0.499
24.39	2.221	0.466
24.51	2.202	0.437
24.631	2.181	0.411
24.752	2.159	0.388
24.876	2.138	0.368
25.0	2.116	0.35

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: —

Si-O (Non-stoichiometric silicon oxide): all datasets

About Si-O (Non-stoichiometric silicon oxide)

Nonstoichiometric silicon oxide (SiO_x) holds a significant place in diverse technological and scientific domains. Its composition isn't fixed, indicated by the 'x' in the formula, which underscores the variability in oxygen content. This inherent flexibility enables a customization of properties, yielding materials with tailored electrical, optical, and physical characteristics. In contexts spanning from optics to microelectronics, SiO_x is valued for its adaptable refractive indices and electrical behaviors, making it a versatile material in the manufacturing of sensors, waveguides, and various other devices. The ability to precisely control its nonstoichiometric composition via advanced fabrication and treatment methods underpins its widespread applicability. From semiconductor technologies to advanced coatings and an array of other applications, SiO_x continues to be instrumental due to its customizable and diverse property profile.

Non-stoichiometric compound - Wikipedia

More about Si-O (Non-stoichiometric silicon oxide) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/other/non-stoichiometric compounds/Si-O/nk/Herguedas-SiO1.89.yml
ID: ds_5e00ab723ba3
API: /v1/datasets/ds_5e00ab723ba3

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