Optical constants

Refractive index of Si₃N₄, SiN (Silicon nitride)

Beliaev et al. 2022: Non-stoichiometric SiN; n,k 0.21-1.7 µm

Data: tabulated nk
Range: 0.2114–1.688 µm
Points: 697
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 2.02467
Extinction coefficient k: 0

Permittivity ε₁: 4.0993
Permittivity ε₂: 0

Absorption coefficient α: 0 cm⁻¹
Penetration depth δ = λ/(2πk): — nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.14557 µm⁻¹

Group index n_g: 2.11021
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

# Si3N4, SiN (Silicon nitride): Beliaev et al. 2022: Non-stoichiometric SiN; n,k 0.21-1.7 µm
si3n4_sin = ls.fetch_refractiveindex("main", "Si3N4", "Beliaev", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(si3n4_sin.range_nm)  # (211.4, 1688.16) nm
eps = si3n4_sin.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_7b33d0ae219d/lightsmith"
si3n4_sin = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(si3n4_sin.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (si3n4/beliaev-2022).

# ... load si3n4_sin as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=si3n4_sin)],
    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

100 nm thick film deposited by plasma-enchased CVD with certain recipe as an example. Optical properties of SiN films produced by different deposition methods and process parameters can be found in the reference.

Conditions

film thickness: 100e-9
substrate: Si

References

L. Yu. Beliaev, E. Shkondin, A. V. Lavrinenko, O. Takayama. Optical, structural and composition properties of silicon nitride films deposited by reactive radio-frequency sputtering, low pressure and plasma-enhanced chemical vapor deposition. Thin Solid Films 763, 139568 (2022) (Numerical data kindly provided by Osamu Takayama)

doi:10.1016/j.tsf.2022.139568 Optical, structural and composition properties of silicon nitride films deposited by reactive radio-frequency sputtering, low pressure and plasma-enhanced chemical vapor deposition, Thin Solid Films (2022)

Cite

Leonid Yu. Beliaev, Evgeniy Shkondin, Andrei V. Lavrinenko and Osamu Takayama. Optical, structural and composition properties of silicon nitride films deposited by reactive radio-frequency sputtering, low pressure and plasma-enhanced chemical vapor deposition. Thin Solid Films, 763, 139568 (2022), doi:10.1016/j.tsf.2022.139568; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

697 rows as published

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

Si3N4, SiN (Silicon nitride), Beliaev et al. 2022: Non-stoichiometric SiN; n,k 0.21-1.7 µm: n and k versus wavelength
λ (µm)	n	k
0.2114	2.52782	0.159962
0.21298	2.51768	0.150938
0.21456	2.5077	0.142345
0.21614	2.49788	0.134161
0.21772	2.48823	0.126366
0.2193	2.47874	0.118942
0.22089	2.46941	0.11187
0.22247	2.46025	0.105135
0.22405	2.45124	0.0987212
0.22563	2.44239	0.0926139
0.22721	2.4337	0.0867992
0.2288	2.42517	0.0812643
0.23038	2.41679	0.0759968
0.23196	2.40856	0.0709853
0.23354	2.40047	0.0662188
0.23513	2.39254	0.0616872
0.23671	2.38475	0.0573806
0.23829	2.37711	0.05329
0.23987	2.3696	0.0494066
0.24146	2.36223	0.0457222
0.24304	2.35501	0.042229
0.24462	2.34791	0.0389197
0.24621	2.34095	0.0357874
0.24779	2.33412	0.0328252
0.24937	2.32742	0.030027
0.25096	2.32085	0.0273867
0.25254	2.3144	0.0248991
0.25412	2.30808	0.0225581
0.25571	2.30188	0.0203592
0.25729	2.2958	0.0182973
0.25887	2.28984	0.0163677
0.26046	2.284	0.0145661
0.26204	2.27828	0.012888
0.26363	2.27267	0.0113298
0.26521	2.26718	0.0098874
0.2668	2.2618	0.00855734
0.26838	2.25654	0.0073358
0.26996	2.25138	0.00621973
0.27155	2.24634	0.00520602
0.27313	2.24141	0.00429126
0.27472	2.2366	0.00347269
0.2763	2.23189	0.00274744
0.27789	2.2273	0.0021131
0.27947	2.22282	0.0015667
0.28106	2.21845	0.00110595
0.28264	2.2142	0.000728479
0.28423	2.21007	0.000431887
0.28581	2.20606	0.000214183
0.2874	2.20217	7.28827e-05
0.28898	2.19842	6.14076e-06
0.29057	2.19484	0.0
0.29215	2.19141	0.0
0.29374	2.18811	0.0
0.29533	2.18492	0.0
0.29691	2.18183	0.0
0.2985	2.17883	0.0
0.30008	2.17592	0.0
0.30167	2.17309	0.0
0.30325	2.17034	0.0
0.30484	2.16766	0.0
0.30643	2.16506	0.0
0.30801	2.16252	0.0
0.3096	2.16004	0.0
0.31119	2.15763	0.0
0.31277	2.15527	0.0
0.31436	2.15297	0.0
0.31595	2.15073	0.0
0.31753	2.14853	0.0
0.31912	2.14639	0.0
0.3207	2.14429	0.0
0.32229	2.14224	0.0
0.32388	2.14024	0.0
0.32547	2.13828	0.0
0.32705	2.13636	0.0
0.32864	2.13448	0.0
0.33023	2.13264	0.0
0.33181	2.13083	0.0
0.3334	2.12907	0.0
0.33499	2.12734	0.0
0.33658	2.12564	0.0
0.33816	2.12398	0.0
0.33975	2.12235	0.0
0.34134	2.12075	0.0
0.34292	2.11918	0.0
0.34451	2.11764	0.0
0.3461	2.11614	0.0
0.34769	2.11465	0.0
0.34928	2.1132	0.0
0.35086	2.11177	0.0
0.35245	2.11037	0.0
0.35404	2.109	0.0
0.35563	2.10764	0.0
0.35721	2.10632	0.0
0.3588	2.10501	0.0
0.36039	2.10373	0.0
0.36198	2.10247	0.0
0.36357	2.10123	0.0
0.36515	2.10001	0.0
0.36674	2.09882	0.0
0.36833	2.09764	0.0
0.36992	2.09648	0.0
0.37151	2.09534	0.0
0.3731	2.09422	0.0
0.37468	2.09312	0.0
0.37627	2.09204	0.0
0.37786	2.09097	0.0
0.37945	2.08992	0.0
0.38104	2.08889	0.0
0.38263	2.08787	0.0
0.38422	2.08687	0.0
0.38581	2.08589	0.0
0.38739	2.08492	0.0
0.38898	2.08396	0.0
0.39057	2.08302	0.0
0.39216	2.08209	0.0
0.39375	2.08118	0.0
0.39534	2.08028	0.0
0.39693	2.07939	0.0
0.39852	2.07852	0.0
0.40011	2.07766	0.0
0.40169	2.07681	0.0
0.40328	2.07598	0.0
0.40487	2.07515	0.0
0.40646	2.07434	0.0
0.40805	2.07354	0.0
0.40964	2.07275	0.0
0.41123	2.07197	0.0
0.41282	2.07121	0.0
0.41441	2.07045	0.0
0.416	2.0697	0.0
0.41759	2.06897	0.0
0.41918	2.06824	0.0
0.42077	2.06753	0.0
0.42235	2.06682	0.0
0.42394	2.06612	0.0
0.42553	2.06544	0.0
0.42712	2.06476	0.0
0.42871	2.06409	0.0
0.4303	2.06343	0.0
0.43189	2.06277	0.0
0.43348	2.06213	0.0
0.43507	2.0615	0.0
0.43666	2.06087	0.0
0.43825	2.06025	0.0
0.43984	2.05964	0.0
0.44143	2.05903	0.0
0.44302	2.05844	0.0
0.44461	2.05785	0.0
0.4462	2.05727	0.0
0.44779	2.05669	0.0
0.44938	2.05613	0.0
0.45097	2.05557	0.0
0.45256	2.05501	0.0
0.45415	2.05447	0.0
0.45574	2.05393	0.0
0.45733	2.0534	0.0
0.45892	2.05287	0.0
0.46051	2.05235	0.0
0.4621	2.05183	0.0
0.46369	2.05133	0.0
0.46528	2.05082	0.0
0.46687	2.05033	0.0
0.46846	2.04984	0.0
0.47005	2.04935	0.0
0.47164	2.04887	0.0
0.47323	2.0484	0.0
0.47482	2.04793	0.0
0.47641	2.04747	0.0
0.478	2.04701	0.0
0.47959	2.04656	0.0
0.48118	2.04611	0.0
0.48277	2.04567	0.0
0.48436	2.04523	0.0
0.48595	2.0448	0.0
0.48754	2.04437	0.0
0.48913	2.04395	0.0
0.49072	2.04353	0.0
0.49231	2.04312	0.0
0.4939	2.04271	0.0
0.49549	2.0423	0.0
0.49708	2.0419	0.0
0.49867	2.04151	0.0
0.50026	2.04111	0.0
0.50185	2.04073	0.0
0.50344	2.04034	0.0
0.50503	2.03996	0.0
0.50662	2.03959	0.0
0.50821	2.03922	0.0
0.5098	2.03885	0.0
0.51139	2.03849	0.0
0.51298	2.03813	0.0
0.51457	2.03777	0.0
0.51616	2.03742	0.0
0.51775	2.03707	0.0
0.51934	2.03672	0.0
0.52093	2.03638	0.0
0.52252	2.03604	0.0
0.52411	2.03571	0.0
0.52569	2.03538	0.0
0.52728	2.03505	0.0
0.52887	2.03472	0.0
0.53046	2.0344	0.0
0.53205	2.03408	0.0
0.53364	2.03377	0.0
0.53523	2.03346	0.0
0.53682	2.03315	0.0
0.53841	2.03284	0.0
0.54	2.03254	0.0
0.54159	2.03224	0.0
0.54318	2.03194	0.0
0.54477	2.03165	0.0
0.54636	2.03135	0.0
0.54795	2.03106	0.0
0.54954	2.03078	0.0
0.55113	2.0305	0.0
0.55272	2.03022	0.0
0.55431	2.02994	0.0
0.5559	2.02966	0.0
0.55749	2.02939	0.0
0.55908	2.02912	0.0
0.56067	2.02885	0.0
0.56226	2.02859	0.0
0.56385	2.02832	0.0
0.56544	2.02806	0.0
0.56703	2.02781	0.0
0.56861	2.02755	0.0
0.5702	2.0273	0.0
0.57179	2.02705	0.0
0.57338	2.0268	0.0
0.57497	2.02655	0.0
0.57656	2.02631	0.0
0.57815	2.02607	0.0
0.57974	2.02583	0.0
0.58133	2.02559	0.0
0.58292	2.02535	0.0
0.58451	2.02512	0.0
0.5861	2.02489	0.0
0.58768	2.02466	0.0
0.58927	2.02443	0.0
0.59086	2.02421	0.0
0.59245	2.02398	0.0
0.59404	2.02376	0.0
0.59563	2.02354	0.0
0.59722	2.02332	0.0
0.59881	2.02311	0.0
0.60039	2.02289	0.0
0.60198	2.02268	0.0
0.60357	2.02247	0.0
0.60516	2.02226	0.0
0.60675	2.02206	0.0
0.60834	2.02185	0.0
0.60993	2.02165	0.0
0.61151	2.02145	0.0
0.6131	2.02125	0.0
0.61469	2.02105	0.0
0.61628	2.02086	0.0
0.61787	2.02066	0.0
0.61946	2.02047	0.0
0.62104	2.02028	0.0
0.62263	2.02009	0.0
0.62422	2.0199	0.0
0.62581	2.01971	0.0
0.6274	2.01953	0.0
0.62898	2.01934	0.0
0.63057	2.01916	0.0
0.63216	2.01898	0.0
0.63375	2.0188	0.0
0.63533	2.01862	0.0
0.63692	2.01844	0.0
0.63851	2.01827	0.0
0.6401	2.0181	0.0
0.64168	2.01792	0.0
0.64327	2.01775	0.0
0.64486	2.01758	0.0
0.64645	2.01742	0.0
0.64803	2.01725	0.0
0.64962	2.01708	0.0
0.65121	2.01692	0.0
0.6528	2.01676	0.0
0.65438	2.01659	0.0
0.65597	2.01643	0.0
0.65756	2.01627	0.0
0.65914	2.01612	0.0
0.66073	2.01596	0.0
0.66232	2.0158	0.0
0.6639	2.01565	0.0
0.66549	2.0155	0.0
0.66708	2.01534	0.0
0.66866	2.01519	0.0
0.67025	2.01504	0.0
0.67184	2.0149	0.0
0.67342	2.01475	0.0
0.67501	2.0146	0.0
0.67659	2.01446	0.0
0.67818	2.01431	0.0
0.67977	2.01417	0.0
0.68135	2.01403	0.0
0.68294	2.01389	0.0
0.68452	2.01375	0.0
0.68611	2.01361	0.0
0.6877	2.01347	0.0
0.68928	2.01333	0.0
0.69087	2.0132	0.0
0.69245	2.01306	0.0
0.69404	2.01293	0.0
0.69562	2.0128	0.0
0.69721	2.01266	0.0
0.69879	2.01253	0.0
0.70038	2.0124	0.0
0.70196	2.01227	0.0
0.70355	2.01215	0.0
0.70513	2.01202	0.0
0.70672	2.01189	0.0
0.7083	2.01177	0.0
0.70989	2.01164	0.0
0.71147	2.01152	0.0
0.71306	2.0114	0.0
0.71464	2.01127	0.0
0.71623	2.01115	0.0
0.71781	2.01103	0.0
0.7194	2.01091	0.0
0.72098	2.0108	0.0
0.72256	2.01068	0.0
0.72415	2.01056	0.0
0.72573	2.01044	0.0
0.72732	2.01033	0.0
0.7289	2.01022	0.0
0.73048	2.0101	0.0
0.73207	2.00999	0.0
0.73365	2.00988	0.0
0.73523	2.00977	0.0
0.73682	2.00965	0.0
0.7384	2.00955	0.0
0.73998	2.00944	0.0
0.74157	2.00933	0.0
0.74315	2.00922	0.0
0.74473	2.00911	0.0
0.74631	2.00901	0.0
0.7479	2.0089	0.0
0.74948	2.0088	0.0
0.75106	2.00869	0.0
0.75264	2.00859	0.0
0.75423	2.00849	0.0
0.75581	2.00839	0.0
0.75739	2.00828	0.0
0.75897	2.00818	0.0
0.76056	2.00808	0.0
0.76214	2.00798	0.0
0.76372	2.00789	0.0
0.7653	2.00779	0.0
0.76688	2.00769	0.0
0.76846	2.00759	0.0
0.77004	2.0075	0.0
0.77163	2.0074	0.0
0.77321	2.00731	0.0
0.77479	2.00721	0.0
0.77637	2.00712	0.0
0.77795	2.00703	0.0
0.77953	2.00693	0.0
0.78111	2.00684	0.0
0.78269	2.00675	0.0
0.78427	2.00666	0.0
0.78585	2.00657	0.0
0.78743	2.00648	0.0
0.78901	2.00639	0.0
0.79059	2.0063	0.0
0.79217	2.00622	0.0
0.79375	2.00613	0.0
0.79533	2.00604	0.0
0.79691	2.00596	0.0
0.79849	2.00587	0.0
0.80007	2.00578	0.0
0.80165	2.0057	0.0
0.80323	2.00562	0.0
0.80481	2.00553	0.0
0.80639	2.00545	0.0
0.80797	2.00537	0.0
0.80955	2.00529	0.0
0.81113	2.0052	0.0
0.8127	2.00512	0.0
0.81428	2.00504	0.0
0.81586	2.00496	0.0
0.81744	2.00488	0.0
0.81902	2.0048	0.0
0.82059	2.00473	0.0
0.82217	2.00465	0.0
0.82375	2.00457	0.0
0.82533	2.00449	0.0
0.82691	2.00442	0.0
0.82848	2.00434	0.0
0.83006	2.00426	0.0
0.83164	2.00419	0.0
0.83321	2.00411	0.0
0.83479	2.00404	0.0
0.83637	2.00397	0.0
0.83794	2.00389	0.0
0.83952	2.00382	0.0
0.8411	2.00375	0.0
0.84267	2.00367	0.0
0.84425	2.0036	0.0
0.84583	2.00353	0.0
0.8474	2.00346	0.0
0.84898	2.00339	0.0
0.85055	2.00332	0.0
0.85213	2.00325	0.0
0.8537	2.00318	0.0
0.85528	2.00311	0.0
0.85686	2.00304	0.0
0.85843	2.00298	0.0
0.86001	2.00291	0.0
0.86158	2.00284	0.0
0.86315	2.00277	0.0
0.86473	2.00271	0.0
0.8663	2.00264	0.0
0.86788	2.00258	0.0
0.86945	2.00251	0.0
0.87103	2.00244	0.0
0.8726	2.00238	0.0
0.87417	2.00232	0.0
0.87575	2.00225	0.0
0.87732	2.00219	0.0
0.87889	2.00213	0.0
0.88047	2.00206	0.0
0.88204	2.002	0.0
0.88361	2.00194	0.0
0.88519	2.00188	0.0
0.88676	2.00181	0.0
0.88833	2.00175	0.0
0.8899	2.00169	0.0
0.89148	2.00163	0.0
0.89305	2.00157	0.0
0.89462	2.00151	0.0
0.89619	2.00145	0.0
0.89776	2.00139	0.0
0.89934	2.00134	0.0
0.90091	2.00128	0.0
0.90248	2.00122	0.0
0.90405	2.00116	0.0
0.90562	2.0011	0.0
0.90719	2.00105	0.0
0.90876	2.00099	0.0
0.91033	2.00093	0.0
0.9119	2.00088	0.0
0.91347	2.00082	0.0
0.91504	2.00076	0.0
0.91661	2.00071	0.0
0.91818	2.00065	0.0
0.91975	2.0006	0.0
0.92132	2.00055	0.0
0.92289	2.00049	0.0
0.92446	2.00044	0.0
0.92603	2.00038	0.0
0.9276	2.00033	0.0
0.92917	2.00028	0.0
0.93074	2.00022	0.0
0.9323	2.00017	0.0
0.93387	2.00012	0.0
0.93544	2.00007	0.0
0.93701	2.00002	0.0
0.93858	1.99996	0.0
0.94014	1.99991	0.0
0.94171	1.99986	0.0
0.94328	1.99981	0.0
0.94485	1.99976	0.0
0.94641	1.99971	0.0
0.94798	1.99966	0.0
0.94955	1.99961	0.0
0.95111	1.99956	0.0
0.95268	1.99951	0.0
0.95425	1.99947	0.0
0.95581	1.99942	0.0
0.95738	1.99937	0.0
0.95894	1.99932	0.0
0.96051	1.99927	0.0
0.96207	1.99923	0.0
0.96364	1.99918	0.0
0.9652	1.99913	0.0
0.96677	1.99908	0.0
0.96833	1.99904	0.0
0.9699	1.99899	0.0
0.97146	1.99895	0.0
0.97303	1.9989	0.0
0.97459	1.99885	0.0
0.97616	1.99881	0.0
0.97772	1.99876	0.0
0.97928	1.99872	0.0
0.98085	1.99867	0.0
0.98241	1.99863	0.0
0.98397	1.99859	0.0
0.98554	1.99854	0.0
0.9871	1.9985	0.0
0.98866	1.99845	0.0
0.99022	1.99841	0.0
0.99179	1.99837	0.0
0.99335	1.99832	0.0
0.99491	1.99828	0.0
0.99647	1.99824	0.0
0.99803	1.9982	0.0
0.99959	1.99816	0.0
1.01061	1.99786	0.0
1.014	1.99778	0.0
1.0174	1.99769	0.0
1.0208	1.9976	0.0
1.02419	1.99752	0.0
1.02759	1.99743	0.0
1.03099	1.99735	0.0
1.03439	1.99727	0.0
1.03778	1.99719	0.0
1.04118	1.9971	0.0
1.04458	1.99702	0.0
1.04798	1.99694	0.0
1.05138	1.99687	0.0
1.05479	1.99679	0.0
1.05819	1.99671	0.0
1.06159	1.99663	0.0
1.06499	1.99656	0.0
1.06839	1.99648	0.0
1.0718	1.99641	0.0
1.0752	1.99634	0.0
1.0786	1.99626	0.0
1.08201	1.99619	0.0
1.08541	1.99612	0.0
1.08882	1.99605	0.0
1.09223	1.99598	0.0
1.09563	1.99591	0.0
1.09904	1.99584	0.0
1.10245	1.99577	0.0
1.10585	1.99571	0.0
1.10926	1.99564	0.0
1.11267	1.99557	0.0
1.11608	1.99551	0.0
1.11949	1.99544	0.0
1.1229	1.99538	0.0
1.12631	1.99531	0.0
1.12972	1.99525	0.0
1.13313	1.99519	0.0
1.13654	1.99512	0.0
1.13996	1.99506	0.0
1.14337	1.995	0.0
1.14678	1.99494	0.0
1.1502	1.99488	0.0
1.15361	1.99482	0.0
1.15702	1.99476	0.0
1.16044	1.99471	0.0
1.16385	1.99465	0.0
1.16727	1.99459	0.0
1.17069	1.99453	0.0
1.1741	1.99448	0.0
1.17752	1.99442	0.0
1.18094	1.99437	0.0
1.18436	1.99431	0.0
1.18777	1.99426	0.0
1.19119	1.9942	0.0
1.19461	1.99415	0.0
1.19803	1.9941	0.0
1.20145	1.99404	0.0
1.20487	1.99399	0.0
1.20829	1.99394	0.0
1.21172	1.99389	0.0
1.21514	1.99384	0.0
1.21856	1.99379	0.0
1.22198	1.99374	0.0
1.22541	1.99369	0.0
1.22883	1.99364	0.0
1.23225	1.99359	0.0
1.23568	1.99354	0.0
1.2391	1.99349	0.0
1.24253	1.99345	0.0
1.24596	1.9934	0.0
1.24938	1.99335	0.0
1.25281	1.99331	0.0
1.25624	1.99326	0.0
1.25966	1.99322	0.0
1.26309	1.99317	0.0
1.26652	1.99313	0.0
1.26995	1.99308	0.0
1.27338	1.99304	0.0
1.27681	1.99299	0.0
1.28024	1.99295	0.0
1.28367	1.99291	0.0
1.2871	1.99286	0.0
1.29054	1.99282	0.0
1.29397	1.99278	0.0
1.2974	1.99274	0.0
1.30083	1.9927	0.0
1.30427	1.99266	0.0
1.3077	1.99261	0.0
1.31114	1.99257	0.0
1.31457	1.99253	0.0
1.31801	1.99249	0.0
1.32144	1.99245	0.0
1.32488	1.99242	0.0
1.32832	1.99238	0.0
1.33175	1.99234	0.0
1.33519	1.9923	0.0
1.33863	1.99226	0.0
1.34207	1.99222	0.0
1.34551	1.99219	0.0
1.34895	1.99215	0.0
1.35239	1.99211	0.0
1.35583	1.99208	0.0
1.35927	1.99204	0.0
1.36271	1.992	0.0
1.36615	1.99197	0.0
1.36959	1.99193	0.0
1.37303	1.9919	0.0
1.37648	1.99186	0.0
1.37992	1.99183	0.0
1.38336	1.99179	0.0
1.38681	1.99176	0.0
1.39025	1.99173	0.0
1.3937	1.99169	0.0
1.39714	1.99166	0.0
1.40059	1.99163	0.0
1.40404	1.99159	0.0
1.40748	1.99156	0.0
1.41093	1.99153	0.0
1.41438	1.9915	0.0
1.41783	1.99146	0.0
1.42128	1.99143	0.0
1.42472	1.9914	0.0
1.42817	1.99137	0.0
1.43162	1.99134	0.0
1.43508	1.99131	0.0
1.43853	1.99128	0.0
1.44198	1.99125	0.0
1.44543	1.99122	0.0
1.44888	1.99119	0.0
1.45233	1.99116	0.0
1.45579	1.99113	0.0
1.45924	1.9911	0.0
1.4627	1.99107	0.0
1.46615	1.99104	0.0
1.4696	1.99101	0.0
1.47306	1.99098	0.0
1.47652	1.99095	0.0
1.47997	1.99093	0.0
1.48343	1.9909	0.0
1.48689	1.99087	0.0
1.49034	1.99084	0.0
1.4938	1.99082	0.0
1.49726	1.99079	0.0
1.50072	1.99076	0.0
1.50418	1.99073	0.0
1.50764	1.99071	0.0
1.5111	1.99068	0.0
1.51456	1.99066	0.0
1.51802	1.99063	0.0
1.52148	1.9906	0.0
1.52494	1.99058	0.0
1.52841	1.99055	0.0
1.53187	1.99053	0.0
1.53533	1.9905	0.0
1.5388	1.99048	0.0
1.54226	1.99045	0.0
1.54573	1.99043	0.0
1.54919	1.9904	0.0
1.55266	1.99038	0.0
1.55612	1.99035	0.0
1.55959	1.99033	0.0
1.56306	1.99031	0.0
1.56652	1.99028	0.0
1.56999	1.99026	0.0
1.57346	1.99024	0.0
1.57693	1.99021	0.0
1.5804	1.99019	0.0
1.58387	1.99017	0.0
1.58734	1.99014	0.0
1.59081	1.99012	0.0
1.59428	1.9901	0.0
1.59775	1.99008	0.0
1.60122	1.99005	0.0
1.60469	1.99003	0.0
1.60817	1.99001	0.0
1.61164	1.98999	0.0
1.61511	1.98997	0.0
1.61859	1.98994	0.0
1.62206	1.98992	0.0
1.62554	1.9899	0.0
1.62901	1.98988	0.0
1.63249	1.98986	0.0
1.63596	1.98984	0.0
1.63944	1.98982	0.0
1.64292	1.9898	0.0
1.6464	1.98978	0.0
1.64987	1.98976	0.0
1.65335	1.98974	0.0
1.65683	1.98972	0.0
1.66031	1.9897	0.0
1.66379	1.98968	0.0
1.66727	1.98966	0.0
1.67075	1.98964	0.0
1.67423	1.98962	0.0
1.67771	1.9896	0.0
1.6812	1.98958	0.0
1.68468	1.98956	0.0
1.68816	1.98954	0.0

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: —

Si₃N₄, SiN (Silicon nitride): all datasets

Si3N4 films (stoichiometric)

Non-stoichiometric SiN films

About Si3N4, SiN (Silicon nitride)

Silicon nitride (Si₃N₄) is a synthetic, high-performance ceramic material known for its impressive mechanical properties even at elevated temperatures. It exhibits excellent thermal shock resistance, and its hardness makes it resistant to wear and abrasion. In the realm of electronics, it's utilized as an insulator and as a dielectric for advanced microelectronics applications due to its electrical properties. Owing to its resistance to oxidation and chemical corrosion, it's also used in challenging environments, such as in the manufacturing of ball bearings, turbine blades, and other engine components. Additionally, in the optical domain, silicon nitride is transparent in the infrared range and has been studied for potential uses in optoelectronic devices. Its combination of strength, temperature resistance, and electrical properties make it a sought-after material for various high-tech applications.

Silicon nitride - Wikipedia

More about Si3N4, SiN (Silicon nitride) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/Si3N4/nk/Beliaev.yml
ID: ds_7b33d0ae219d
API: /v1/datasets/ds_7b33d0ae219d

Plot