Optical constants

Refractive index of SiO (Silicon monoxide)

Herguedas and Carretero 2023: 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: 2.14208
Extinction coefficient k: 0.25888

Permittivity ε₁: 4.52149
Permittivity ε₂: 1.10908

Absorption coefficient α: 2904.63 cm⁻¹
Penetration depth δ = λ/(2πk): 6885.57 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.28 µm⁻¹

Group index n_g: 5.27808
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

# SiO (Silicon monoxide): Herguedas and Carretero 2023: n,k 5.0–25 µm
sio = ls.fetch_refractiveindex("main", "SiO", "Herguedas", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(sio.range_nm)  # (5000, 25000) nm
eps = sio.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_f4dd9ee16372/lightsmith"
sio = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(sio.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (sio/herguedas-carretero-2023).

# ... load sio as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=sio)],
    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_1.10. Sputtered Si with 30 sccm O₂ and 170 sccm Ar, which is equivalent to a oxygen partial pressure of 2.5 × 10^-4 mbar and a total pressure of 1.8 × 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

SiO (Silicon monoxide), Herguedas and Carretero 2023: n,k 5.0–25 µm: n and k versus wavelength
λ (µm)	n	k
5.0	1.71	0.0
5.005	1.71	0.0
5.01	1.71	0.0
5.015	1.709	0.0
5.02	1.709	0.0
5.025	1.709	0.0
5.03	1.709	0.0
5.035	1.709	0.0
5.04	1.708	0.0
5.045	1.708	0.0
5.051	1.708	0.0
5.056	1.708	0.0
5.061	1.707	0.0
5.066	1.707	0.0
5.071	1.707	0.0
5.076	1.707	0.0
5.081	1.707	0.0
5.086	1.706	0.0
5.092	1.706	0.0
5.097	1.706	0.0
5.102	1.706	0.0
5.107	1.705	0.0
5.112	1.705	0.0
5.118	1.705	0.0
5.123	1.705	0.0
5.128	1.704	0.0
5.133	1.704	0.0
5.139	1.704	0.0
5.144	1.704	0.0
5.149	1.703	0.0
5.155	1.703	0.0
5.16	1.703	0.0
5.165	1.703	0.0
5.171	1.703	0.0
5.176	1.702	0.0
5.181	1.702	0.0
5.187	1.702	0.0
5.192	1.702	0.0
5.198	1.701	0.0
5.203	1.701	0.0
5.208	1.701	0.0
5.214	1.701	0.0
5.219	1.7	0.0
5.225	1.7	0.0
5.23	1.7	0.0
5.236	1.699	0.0
5.241	1.699	0.0
5.247	1.699	0.0
5.252	1.699	0.0
5.258	1.698	0.0
5.263	1.698	0.0
5.269	1.698	0.0
5.274	1.698	0.0
5.28	1.697	0.0
5.285	1.697	0.0
5.291	1.697	0.0
5.297	1.697	0.0
5.302	1.696	0.0
5.308	1.696	0.0
5.313	1.696	0.0
5.319	1.695	0.0
5.325	1.695	0.0
5.33	1.695	0.0
5.336	1.695	0.0
5.342	1.694	0.0
5.348	1.694	0.0
5.353	1.694	0.0
5.359	1.693	0.0
5.365	1.693	0.001
5.371	1.693	0.001
5.376	1.693	0.001
5.382	1.692	0.001
5.388	1.692	0.001
5.394	1.692	0.001
5.4	1.691	0.001
5.405	1.691	0.001
5.411	1.691	0.001
5.417	1.691	0.001
5.423	1.69	0.001
5.429	1.69	0.001
5.435	1.69	0.001
5.441	1.689	0.001
5.447	1.689	0.001
5.453	1.689	0.001
5.459	1.688	0.001
5.464	1.688	0.001
5.47	1.688	0.001
5.476	1.687	0.001
5.482	1.687	0.001
5.488	1.687	0.001
5.495	1.686	0.001
5.501	1.686	0.001
5.507	1.686	0.001
5.513	1.685	0.001
5.519	1.685	0.001
5.525	1.685	0.001
5.531	1.684	0.001
5.537	1.684	0.001
5.543	1.684	0.001
5.549	1.683	0.001
5.556	1.683	0.001
5.562	1.683	0.001
5.568	1.682	0.001
5.574	1.682	0.001
5.58	1.682	0.001
5.587	1.681	0.001
5.593	1.681	0.001
5.599	1.681	0.001
5.605	1.68	0.001
5.612	1.68	0.001
5.618	1.68	0.001
5.624	1.679	0.001
5.631	1.679	0.001
5.637	1.678	0.001
5.643	1.678	0.001
5.65	1.678	0.001
5.656	1.677	0.001
5.663	1.677	0.001
5.669	1.677	0.001
5.675	1.676	0.001
5.682	1.676	0.001
5.688	1.675	0.001
5.695	1.675	0.001
5.701	1.675	0.001
5.708	1.674	0.001
5.714	1.674	0.001
5.721	1.674	0.001
5.727	1.673	0.001
5.734	1.673	0.001
5.741	1.672	0.001
5.747	1.672	0.001
5.754	1.671	0.001
5.76	1.671	0.001
5.767	1.671	0.001
5.774	1.67	0.001
5.78	1.67	0.001
5.787	1.669	0.001
5.794	1.669	0.001
5.8	1.669	0.001
5.807	1.668	0.001
5.814	1.668	0.001
5.821	1.667	0.001
5.828	1.667	0.001
5.834	1.666	0.001
5.841	1.666	0.001
5.848	1.666	0.001
5.855	1.665	0.001
5.862	1.665	0.001
5.869	1.664	0.001
5.875	1.664	0.001
5.882	1.663	0.002
5.889	1.663	0.002
5.896	1.662	0.002
5.903	1.662	0.002
5.91	1.661	0.002
5.917	1.661	0.002
5.924	1.66	0.002
5.931	1.66	0.002
5.938	1.66	0.002
5.945	1.659	0.002
5.952	1.659	0.002
5.959	1.658	0.002
5.967	1.658	0.002
5.974	1.657	0.002
5.981	1.657	0.002
5.988	1.656	0.002
5.995	1.656	0.002
6.002	1.655	0.002
6.01	1.655	0.002
6.017	1.654	0.002
6.024	1.654	0.002
6.031	1.653	0.002
6.039	1.652	0.002
6.046	1.652	0.002
6.053	1.651	0.002
6.061	1.651	0.002
6.068	1.65	0.002
6.075	1.65	0.002
6.083	1.649	0.002
6.09	1.649	0.002
6.098	1.648	0.002
6.105	1.648	0.002
6.112	1.647	0.002
6.12	1.646	0.002
6.127	1.646	0.002
6.135	1.645	0.002
6.143	1.645	0.002
6.15	1.644	0.003
6.158	1.644	0.003
6.165	1.643	0.003
6.173	1.642	0.003
6.18	1.642	0.003
6.188	1.641	0.003
6.196	1.641	0.003
6.203	1.64	0.003
6.211	1.639	0.003
6.219	1.639	0.003
6.227	1.638	0.003
6.234	1.638	0.003
6.242	1.637	0.003
6.25	1.636	0.003
6.258	1.636	0.003
6.266	1.635	0.003
6.274	1.634	0.003
6.281	1.634	0.003
6.289	1.633	0.003
6.297	1.632	0.003
6.305	1.632	0.003
6.313	1.631	0.003
6.321	1.63	0.003
6.329	1.63	0.003
6.337	1.629	0.003
6.345	1.628	0.004
6.353	1.628	0.004
6.361	1.627	0.004
6.369	1.626	0.004
6.378	1.626	0.004
6.386	1.625	0.004
6.394	1.624	0.004
6.402	1.623	0.004
6.41	1.623	0.004
6.418	1.622	0.004
6.427	1.621	0.004
6.435	1.62	0.004
6.443	1.62	0.004
6.452	1.619	0.004
6.46	1.618	0.004
6.468	1.617	0.004
6.477	1.617	0.004
6.485	1.616	0.004
6.494	1.615	0.004
6.502	1.614	0.005
6.51	1.613	0.005
6.519	1.613	0.005
6.527	1.612	0.005
6.536	1.611	0.005
6.545	1.61	0.005
6.553	1.609	0.005
6.562	1.608	0.005
6.57	1.607	0.005
6.579	1.607	0.005
6.588	1.606	0.005
6.596	1.605	0.005
6.605	1.604	0.005
6.614	1.603	0.005
6.623	1.602	0.005
6.631	1.601	0.006
6.64	1.6	0.006
6.649	1.599	0.006
6.658	1.599	0.006
6.667	1.598	0.006
6.676	1.597	0.006
6.684	1.596	0.006
6.693	1.595	0.006
6.702	1.594	0.006
6.711	1.593	0.006
6.72	1.592	0.006
6.729	1.591	0.006
6.739	1.59	0.006
6.748	1.589	0.007
6.757	1.588	0.007
6.766	1.587	0.007
6.775	1.586	0.007
6.784	1.585	0.007
6.793	1.583	0.007
6.803	1.582	0.007
6.812	1.581	0.007
6.821	1.58	0.007
6.831	1.579	0.007
6.84	1.578	0.007
6.849	1.577	0.008
6.859	1.576	0.008
6.868	1.575	0.008
6.878	1.573	0.008
6.887	1.572	0.008
6.897	1.571	0.008
6.906	1.57	0.008
6.916	1.569	0.008
6.925	1.567	0.008
6.935	1.566	0.008
6.944	1.565	0.009
6.954	1.564	0.009
6.964	1.562	0.009
6.974	1.561	0.009
6.983	1.56	0.009
6.993	1.558	0.009
7.003	1.557	0.009
7.013	1.556	0.009
7.022	1.554	0.009
7.032	1.553	0.01
7.042	1.552	0.01
7.052	1.55	0.01
7.062	1.549	0.01
7.072	1.547	0.01
7.082	1.546	0.01
7.092	1.544	0.01
7.102	1.543	0.01
7.112	1.541	0.011
7.123	1.54	0.011
7.133	1.538	0.011
7.143	1.537	0.011
7.153	1.535	0.011
7.163	1.533	0.011
7.174	1.532	0.011
7.184	1.53	0.012
7.194	1.529	0.012
7.205	1.527	0.012
7.215	1.525	0.012
7.225	1.523	0.012
7.236	1.522	0.012
7.246	1.52	0.012
7.257	1.518	0.013
7.267	1.516	0.013
7.278	1.514	0.013
7.289	1.512	0.013
7.299	1.511	0.013
7.31	1.509	0.013
7.321	1.507	0.014
7.331	1.505	0.014
7.342	1.503	0.014
7.353	1.501	0.014
7.364	1.498	0.014
7.375	1.496	0.015
7.386	1.494	0.015
7.396	1.492	0.015
7.407	1.49	0.015
7.418	1.488	0.015
7.429	1.485	0.016
7.44	1.483	0.016
7.452	1.481	0.016
7.463	1.478	0.016
7.474	1.476	0.016
7.485	1.473	0.017
7.496	1.471	0.017
7.508	1.468	0.017
7.519	1.465	0.017
7.53	1.463	0.018
7.541	1.46	0.018
7.553	1.457	0.018
7.564	1.454	0.018
7.576	1.452	0.019
7.587	1.449	0.019
7.599	1.446	0.019
7.61	1.442	0.019
7.622	1.439	0.02
7.634	1.436	0.02
7.645	1.433	0.02
7.657	1.429	0.021
7.669	1.426	0.021
7.68	1.422	0.021
7.692	1.419	0.022
7.704	1.415	0.022
7.716	1.411	0.022
7.728	1.407	0.023
7.74	1.403	0.023
7.752	1.399	0.024
7.764	1.395	0.024
7.776	1.391	0.025
7.788	1.386	0.025
7.8	1.382	0.026
7.812	1.377	0.027
7.825	1.372	0.027
7.837	1.367	0.028
7.849	1.362	0.029
7.862	1.357	0.03
7.874	1.351	0.031
7.886	1.345	0.032
7.899	1.34	0.033
7.911	1.334	0.035
7.924	1.328	0.036
7.937	1.321	0.038
7.949	1.315	0.04
7.962	1.308	0.042
7.974	1.301	0.044
7.987	1.294	0.047
8.0	1.287	0.049
8.013	1.28	0.052
8.026	1.272	0.055
8.039	1.265	0.059
8.052	1.257	0.063
8.065	1.249	0.067
8.078	1.241	0.071
8.091	1.233	0.076
8.104	1.224	0.081
8.117	1.216	0.087
8.13	1.208	0.093
8.143	1.2	0.099
8.157	1.191	0.106
8.17	1.183	0.114
8.183	1.175	0.121
8.197	1.167	0.13
8.21	1.159	0.138
8.224	1.152	0.147
8.237	1.145	0.157
8.251	1.138	0.167
8.264	1.131	0.177
8.278	1.125	0.188
8.292	1.119	0.199
8.306	1.113	0.21
8.319	1.108	0.222
8.333	1.103	0.234
8.347	1.099	0.245
8.361	1.095	0.257
8.375	1.092	0.27
8.389	1.089	0.282
8.403	1.087	0.294
8.418	1.084	0.306
8.432	1.083	0.318
8.446	1.081	0.329
8.46	1.08	0.341
8.475	1.079	0.352
8.489	1.078	0.364
8.503	1.077	0.375
8.518	1.077	0.386
8.532	1.076	0.397
8.547	1.075	0.407
8.562	1.075	0.418
8.576	1.074	0.428
8.591	1.073	0.439
8.606	1.072	0.449
8.621	1.071	0.46
8.636	1.069	0.471
8.651	1.068	0.482
8.666	1.066	0.493
8.681	1.064	0.504
8.696	1.062	0.516
8.711	1.06	0.528
8.726	1.058	0.541
8.741	1.055	0.555
8.757	1.053	0.569
8.772	1.051	0.583
8.787	1.049	0.599
8.803	1.047	0.615
8.818	1.046	0.631
8.834	1.045	0.649
8.85	1.045	0.667
8.865	1.045	0.686
8.881	1.046	0.706
8.897	1.048	0.726
8.913	1.051	0.747
8.929	1.054	0.768
8.945	1.059	0.789
8.961	1.065	0.811
8.977	1.072	0.833
8.993	1.08	0.855
9.009	1.089	0.877
9.025	1.099	0.9
9.042	1.111	0.922
9.058	1.124	0.943
9.074	1.137	0.965
9.091	1.152	0.986
9.107	1.168	1.006
9.124	1.185	1.026
9.141	1.203	1.045
9.158	1.222	1.064
9.174	1.242	1.082
9.191	1.263	1.099
9.208	1.284	1.115
9.225	1.306	1.131
9.242	1.329	1.146
9.259	1.353	1.159
9.276	1.377	1.172
9.294	1.401	1.184
9.311	1.427	1.195
9.328	1.452	1.205
9.346	1.478	1.213
9.363	1.504	1.221
9.381	1.531	1.228
9.398	1.557	1.234
9.416	1.584	1.239
9.434	1.611	1.242
9.452	1.638	1.245
9.47	1.665	1.247
9.488	1.692	1.247
9.506	1.719	1.247
9.524	1.746	1.246
9.542	1.772	1.243
9.56	1.799	1.24
9.579	1.825	1.236
9.597	1.851	1.231
9.615	1.876	1.225
9.634	1.901	1.218
9.653	1.926	1.21
9.671	1.951	1.201
9.69	1.975	1.192
9.709	1.998	1.181
9.728	2.021	1.17
9.747	2.043	1.158
9.766	2.065	1.146
9.785	2.086	1.133
9.804	2.107	1.119
9.823	2.126	1.104
9.843	2.146	1.089
9.862	2.164	1.073
9.881	2.182	1.057
9.901	2.199	1.041
9.921	2.215	1.024
9.94	2.231	1.006
9.96	2.245	0.988
9.98	2.259	0.97
10.0	2.272	0.951
10.02	2.285	0.933
10.04	2.296	0.914
10.06	2.307	0.894
10.081	2.317	0.875
10.101	2.326	0.856
10.121	2.334	0.836
10.142	2.342	0.816
10.163	2.349	0.797
10.183	2.355	0.777
10.204	2.36	0.758
10.225	2.364	0.738
10.246	2.368	0.719
10.267	2.371	0.7
10.288	2.373	0.681
10.309	2.375	0.662
10.331	2.376	0.643
10.352	2.376	0.625
10.373	2.375	0.607
10.395	2.374	0.589
10.417	2.373	0.572
10.438	2.37	0.555
10.46	2.367	0.538
10.482	2.364	0.522
10.504	2.36	0.507
10.526	2.356	0.491
10.549	2.351	0.476
10.571	2.346	0.462
10.593	2.34	0.448
10.616	2.334	0.435
10.638	2.328	0.422
10.661	2.321	0.409
10.684	2.314	0.397
10.707	2.307	0.386
10.73	2.299	0.375
10.753	2.292	0.364
10.776	2.284	0.355
10.799	2.276	0.345
10.823	2.268	0.336
10.846	2.259	0.328
10.87	2.251	0.32
10.893	2.243	0.313
10.917	2.234	0.306
10.941	2.226	0.3
10.965	2.217	0.294
10.989	2.209	0.288
11.013	2.201	0.284
11.038	2.193	0.279
11.062	2.185	0.275
11.086	2.177	0.271
11.111	2.169	0.268
11.136	2.161	0.265
11.161	2.153	0.262
11.186	2.146	0.26
11.211	2.139	0.258
11.236	2.132	0.257
11.261	2.125	0.256
11.287	2.119	0.255
11.312	2.112	0.254
11.338	2.106	0.253
11.364	2.1	0.253
11.39	2.095	0.253
11.416	2.089	0.253
11.442	2.084	0.253
11.468	2.079	0.254
11.494	2.074	0.255
11.521	2.07	0.255
11.547	2.066	0.256
11.574	2.062	0.257
11.601	2.058	0.258
11.628	2.054	0.259
11.655	2.051	0.26
11.682	2.048	0.262
11.71	2.045	0.263
11.737	2.043	0.264
11.765	2.04	0.265
11.792	2.038	0.267
11.82	2.036	0.268
11.848	2.034	0.269
11.876	2.032	0.27
11.905	2.031	0.271
11.933	2.03	0.273
11.962	2.028	0.274
11.99	2.027	0.275
12.019	2.026	0.276
12.048	2.026	0.277
12.077	2.025	0.277
12.107	2.024	0.278
12.136	2.024	0.279
12.165	2.024	0.279
12.195	2.024	0.28
12.225	2.023	0.28
12.255	2.023	0.281
12.285	2.023	0.281
12.315	2.023	0.281
12.346	2.023	0.281
12.376	2.024	0.281
12.407	2.024	0.281
12.438	2.024	0.281
12.469	2.024	0.281
12.5	2.025	0.281
12.531	2.025	0.28
12.563	2.025	0.28
12.594	2.026	0.279
12.626	2.026	0.279
12.658	2.027	0.278
12.69	2.027	0.277
12.723	2.027	0.276
12.755	2.028	0.275
12.788	2.028	0.274
12.821	2.028	0.273
12.853	2.028	0.272
12.887	2.029	0.271
12.92	2.029	0.27
12.953	2.029	0.268
12.987	2.029	0.267
13.021	2.029	0.266
13.055	2.03	0.264
13.089	2.03	0.263
13.123	2.03	0.261
13.158	2.03	0.26
13.193	2.029	0.258
13.228	2.029	0.256
13.263	2.029	0.255
13.298	2.029	0.253
13.333	2.029	0.251
13.369	2.028	0.25
13.405	2.028	0.248
13.441	2.027	0.246
13.477	2.027	0.245
13.514	2.026	0.243
13.55	2.026	0.241
13.587	2.025	0.239
13.624	2.024	0.238
13.661	2.023	0.236
13.699	2.023	0.234
13.736	2.022	0.232
13.774	2.021	0.231
13.812	2.02	0.229
13.85	2.019	0.227
13.889	2.017	0.226
13.928	2.016	0.224
13.966	2.015	0.222
14.006	2.014	0.221
14.045	2.013	0.219
14.085	2.011	0.218
14.124	2.01	0.216
14.164	2.008	0.215
14.205	2.007	0.213
14.245	2.005	0.212
14.286	2.004	0.21
14.327	2.002	0.209
14.368	2.001	0.208
14.409	1.999	0.207
14.451	1.997	0.205
14.493	1.996	0.204
14.535	1.994	0.203
14.577	1.992	0.202
14.62	1.99	0.201
14.663	1.988	0.2
14.706	1.986	0.199
14.749	1.985	0.198
14.793	1.983	0.197
14.837	1.981	0.196
14.881	1.979	0.195
14.925	1.977	0.195
14.97	1.975	0.194
15.015	1.973	0.193
15.06	1.971	0.193
15.106	1.969	0.192
15.152	1.967	0.192
15.198	1.965	0.191
15.244	1.963	0.191
15.291	1.96	0.191
15.337	1.958	0.19
15.385	1.956	0.19
15.432	1.954	0.19
15.48	1.952	0.189
15.528	1.95	0.189
15.576	1.948	0.189
15.625	1.946	0.189
15.674	1.944	0.189
15.723	1.942	0.189
15.773	1.94	0.189
15.823	1.937	0.189
15.873	1.935	0.189
15.924	1.933	0.19
15.974	1.931	0.19
16.026	1.929	0.19
16.077	1.927	0.19
16.129	1.925	0.191
16.181	1.923	0.191
16.234	1.921	0.191
16.287	1.918	0.192
16.34	1.916	0.192
16.393	1.914	0.192
16.447	1.912	0.193
16.502	1.91	0.194
16.556	1.908	0.194
16.611	1.906	0.195
16.667	1.904	0.195
16.722	1.902	0.196
16.779	1.899	0.197
16.835	1.897	0.197
16.892	1.895	0.198
16.949	1.893	0.199
17.007	1.891	0.199
17.065	1.889	0.2
17.123	1.886	0.201
17.182	1.884	0.202
17.241	1.882	0.203
17.301	1.88	0.204
17.361	1.877	0.204
17.422	1.875	0.205
17.483	1.873	0.206
17.544	1.87	0.207
17.606	1.868	0.208
17.668	1.866	0.209
17.73	1.863	0.21
17.794	1.861	0.211
17.857	1.858	0.212
17.921	1.855	0.214
17.986	1.853	0.215
18.051	1.85	0.216
18.116	1.847	0.217
18.182	1.844	0.218
18.248	1.841	0.22
18.315	1.838	0.221
18.382	1.835	0.222
18.45	1.831	0.224
18.519	1.828	0.225
18.587	1.824	0.227
18.657	1.821	0.229
18.727	1.817	0.23
18.797	1.812	0.232
18.868	1.808	0.234
18.939	1.804	0.237
19.011	1.799	0.239
19.084	1.794	0.242
19.157	1.789	0.244
19.231	1.784	0.247
19.305	1.778	0.251
19.38	1.772	0.255
19.455	1.766	0.259
19.531	1.76	0.263
19.608	1.754	0.269
19.685	1.747	0.274
19.763	1.74	0.28
19.841	1.733	0.287
19.92	1.726	0.295
20.0	1.719	0.303
20.08	1.713	0.313
20.161	1.706	0.323
20.243	1.699	0.334
20.325	1.693	0.346
20.408	1.687	0.359
20.492	1.682	0.373
20.576	1.678	0.388
20.661	1.675	0.404
20.747	1.672	0.421
20.833	1.671	0.439
20.921	1.671	0.457
21.008	1.672	0.477
21.097	1.675	0.496
21.186	1.68	0.516
21.277	1.686	0.536
21.368	1.695	0.556
21.459	1.704	0.576
21.552	1.716	0.595
21.645	1.73	0.613
21.739	1.745	0.631
21.834	1.762	0.647
21.93	1.78	0.662
22.026	1.799	0.676
22.124	1.82	0.688
22.222	1.841	0.699
22.321	1.864	0.708
22.422	1.887	0.715
22.523	1.91	0.72
22.624	1.934	0.723
22.727	1.958	0.725
22.831	1.982	0.724
22.936	2.005	0.722
23.041	2.028	0.718
23.148	2.051	0.713
23.256	2.072	0.705
23.364	2.093	0.697
23.474	2.113	0.686
23.585	2.131	0.675
23.697	2.149	0.662
23.81	2.165	0.649
23.923	2.179	0.634
24.038	2.193	0.619
24.155	2.205	0.603
24.272	2.215	0.587
24.39	2.224	0.57
24.51	2.231	0.554
24.631	2.238	0.537
24.752	2.242	0.52
24.876	2.246	0.504
25.0	2.248	0.487

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: —

SiO (Silicon monoxide): all datasets

Thin film

About SiO (Silicon monoxide)

Silicon monoxide (SiO) is an inorganic compound that is a dark brown or black powder at room temperature. Unlike its stable counterpart silicon dioxide (SiO₂), SiO is a highly reactive compound. SiO sublimates (converts directly from a solid to a gas) at elevated temperatures and can further oxidize to SiO₂ upon exposure to air. Due to its reactivity, it is typically prepared and handled under controlled conditions. In the realm of thin-film deposition, SiO is utilized for its dielectric properties and as a component for various optical coatings. It's often evaporated in a vacuum to produce films that are used as protective or antireflection coatings in optics and electronics. The ability of SiO to act as a barrier against oxygen and moisture has also garnered interest for potential applications in encapsulating sensitive devices.

Silicon monoxide - Wikipedia

More about SiO (Silicon monoxide) →

Listed in

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/other/non-stoichiometric compounds/Si-O/nk/Herguedas-SiO1.10.yml
ID: ds_f4dd9ee16372
API: /v1/datasets/ds_f4dd9ee16372

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