Optical constants

Refractive index of C₄H₁₀O₃S (Diethyl sulfite, DES)

Querry 1987: n,k 0.270–19.6 µm

Data: tabulated nk
Range: 0.3–19.61 µm
Points: 567
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 1.442
Extinction coefficient k: 1.00000e-06

Permittivity ε₁: 2.07936
Permittivity ε₂: 2.88400e-06

Absorption coefficient α: 0.213859 cm⁻¹
Penetration depth δ = λ/(2πk): 9.35194e+07 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: 0 µm⁻¹

Group index n_g: 1.442
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

# C4H10O3S (Diethyl sulfite, DES): Querry 1987: n,k 0.270–19.6 µm
c4h10o3s = ls.fetch_refractiveindex("organic", "diethyl_sulfite", "Querry", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(c4h10o3s.range_nm)  # (300, 19607.8) nm
eps = c4h10o3s.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_78f4666eb437/lightsmith"
c4h10o3s = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(c4h10o3s.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (diethyl-sulfite/querry-1987).

# ... load c4h10o3s as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=c4h10o3s)],
    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

570 rows as published

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

C4H10O3S (Diethyl sulfite, DES), Querry 1987: n,k 0.270–19.6 µm: n and k versus wavelength
λ (µm)	n	k
0.3	1.442	1.7e-05
0.31	1.442	1.1e-05
0.32	1.442	8e-06
0.33	1.442	6e-06
0.34	1.442	4e-06
0.35	1.442	3e-06
0.36	1.442	3e-06
0.37	1.442	2e-06
0.38	1.442	2e-06
0.39	1.442	2e-06
0.4	1.442	2e-06
0.41	1.442	1e-06
0.42	1.442	1e-06
0.43	1.442	1e-06
0.44	1.442	1e-06
0.45	1.442	1e-06
0.46	1.442	1e-06
0.47	1.442	1e-06
0.48	1.442	1e-06
0.49	1.442	1e-06
0.5	1.442	1e-06
0.51	1.442	1e-06
0.52	1.442	1e-06
0.53	1.442	1e-06
0.54	1.442	1e-06
0.55	1.442	1e-06
0.56	1.442	1e-06
0.57	1.442	1e-06
0.58	1.442	1e-06
0.59	1.442	1e-06
0.6	1.442	1e-06
0.61	1.442	1e-06
0.62	1.442	1e-06
0.63	1.442	1e-06
0.64	1.442	1e-06
0.65	1.442	1e-06
0.66	1.442	1e-06
0.67	1.442	1e-06
0.68	1.442	1e-06
0.69	1.442	1e-06
0.7	1.442	1e-06
0.72	1.442	1e-06
0.72	1.442	1e-06
0.73	1.442	1e-06
0.74	1.442	1e-06
0.75	1.442	0.0
0.76	1.442	0.0
0.77	1.442	0.0
0.78	1.442	0.0
0.79	1.442	0.0
0.8	1.442	0.0
0.81	1.442	1e-06
0.82	1.442	1e-06
0.83	1.442	1e-06
0.84	1.442	1e-06
0.85	1.442	1e-06
0.86	1.442	1e-06
0.87	1.442	1e-06
0.88	1.442	1e-06
0.89	1.442	1e-06
0.9	1.442	2e-06
0.91	1.442	2e-06
0.92	1.442	2e-06
0.93	1.442	1e-06
0.94	1.442	1e-06
0.95	1.442	1e-06
0.96	1.442	1e-06
0.97	1.442	1e-06
0.98	1.442	1e-06
0.99	1.442	1e-06
1.0	1.442	1e-06
1.01	1.442	1e-06
1.02	1.442	1e-06
1.03	1.442	1e-06
1.04	1.442	1e-06
1.05	1.442	1e-06
1.06	1.442	1e-06
1.07	1.442	1e-06
1.08	1.442	1e-06
1.09	1.442	1e-06
1.1	1.442	1e-06
1.11	1.442	1e-06
1.12	1.442	1e-06
1.13	1.442	2e-06
1.14	1.442	4e-06
1.15	1.442	6e-06
1.16	1.442	6e-06
1.17	1.442	9e-06
1.18	1.442	1.7e-05
1.19	1.442	2.7e-05
1.2	1.442	1.5e-05
1.21	1.442	7e-06
1.22	1.442	5e-06
1.23	1.442	3e-06
1.24	1.442	2e-06
1.25	1.442	2e-06
1.26	1.442	2e-06
1.27	1.442	2e-06
1.28	1.442	2e-06
1.29	1.442	2e-06
1.3	1.441	2e-06
1.31	1.441	2e-06
1.32	1.441	1e-06
1.33	1.441	2e-06
1.34	1.441	2e-06
1.35	1.441	4e-06
1.36	1.441	8e-06
1.37	1.441	1.1e-05
1.38	1.441	1.5e-05
1.39	1.441	1.8e-05
1.4	1.441	1.5e-05
1.41	1.441	1.5e-05
1.42	1.441	1.1e-05
1.43	1.441	1.1e-05
1.44	1.441	9e-06
1.45	1.441	7e-06
1.46	1.441	6e-06
1.47	1.441	7e-06
1.48	1.441	6e-06
1.49	1.441	6e-06
1.5	1.441	4e-06
1.51	1.441	4e-06
1.52	1.441	3e-06
1.53	1.441	3e-06
1.54	1.441	3e-06
1.55	1.441	3e-06
1.56	1.441	3e-06
1.57	1.441	3e-06
1.58	1.441	2e-06
1.59	1.441	3e-06
1.6	1.441	3e-06
1.61	1.441	4e-06
1.62	1.441	6e-06
1.63	1.441	7e-06
1.64	1.441	8e-06
1.65	1.441	9e-06
1.66	1.441	1.1e-05
1.67	1.441	1.7e-05
1.68	1.441	5e-05
1.69	1.441	0.000121
1.7	1.441	0.00016
1.71	1.441	0.000114
1.72	1.441	0.000107
1.73	1.441	0.000146
1.74	1.441	0.000176
1.75	1.441	0.000248
1.76	1.441	0.000179
1.77	1.441	9e-05
1.78	1.441	4.9e-05
1.79	1.441	3.5e-05
1.8	1.441	2.4e-05
1.81	1.441	1.8e-05
1.82	1.441	2.2e-05
1.83	1.441	3e-05
1.84	1.441	4e-05
1.85	1.441	4.2e-05
1.86	1.441	3.4e-05
1.87	1.441	2.3e-05
1.88	1.441	2e-05
1.89	1.441	2.2e-05
1.9	1.441	2.6e-05
1.91	1.441	2.9e-05
1.92	1.441	3.3e-05
1.93	1.441	3e-05
1.94	1.441	2.6e-05
1.95	1.441	2.3e-05
1.96	1.441	2e-05
1.97	1.441	2e-05
1.98	1.441	2.1e-05
1.99	1.441	2.7e-05
2.0	1.441	3e-05
2.01	1.441	3.5e-05
2.02	1.441	3.6e-05
2.03	1.441	3.6e-05
2.04	1.441	3.2e-05
2.05	1.441	2.8e-05
2.06	1.44	2.4e-05
2.07	1.44	2.1e-05
2.08	1.44	2.1e-05
2.09	1.44	2.3e-05
2.1	1.44	2.6e-05
2.11	1.44	3e-05
2.12	1.44	3.1e-05
2.13	1.44	3.1e-05
2.14	1.44	3.4e-05
2.15	1.44	3.7e-05
2.16	1.44	3.9e-05
2.17	1.44	4.2e-05
2.18	1.44	4.7e-05
2.19	1.44	4.9e-05
2.2	1.44	5.5e-05
2.21	1.44	6.9e-05
2.22	1.44	8.3e-05
2.23	1.44	9.7e-05
2.24	1.44	0.000123
2.25	1.44	0.000189
2.26	1.439	0.000431
2.27	1.44	0.000751
2.28	1.44	0.00078
2.29	1.44	0.000893
2.3	1.44	0.001128
2.31	1.44	0.000975
2.32	1.44	0.000686
2.33	1.44	0.000463
2.34	1.44	0.000402
2.35	1.44	0.000555
2.36	1.44	0.000684
2.37	1.44	0.00077
2.38	1.44	0.000665
2.39	1.44	0.000547
2.4	1.44	0.000538
2.41	1.44	0.00042
2.42	1.44	0.000317
2.43	1.44	0.000282
2.44	1.44	0.000247
2.45	1.44	0.000271
2.46	1.44	0.000337
2.47	1.44	0.000295
2.48	1.44	0.000285
2.49	1.44	0.000347
2.5	1.44	0.000384
2.5063	1.44	0.000371
2.5126	1.44	0.00037
2.5189	1.44	0.000389
2.5253	1.44	0.000394
2.5316	1.44	0.000374
2.5381	1.44	0.000348
2.5445	1.44	0.000325
2.551	1.44	0.000311
2.5575	1.44	0.000298
2.5641	1.44	0.000273
2.5707	1.44	0.00024
2.5773	1.44	0.000207
2.584	1.44	0.000177
2.5907	1.44	0.000157
2.5974	1.44	0.000152
2.6042	1.439	0.00015
2.611	1.439	0.000135
2.6178	1.439	0.000114
2.6247	1.439	9.7e-05
2.6316	1.439	9.8e-05
2.6385	1.439	0.000109
2.6455	1.439	0.00012
2.6525	1.439	0.000133
2.6596	1.439	0.000156
2.6667	1.439	0.00018
2.6738	1.439	0.000196
2.681	1.439	0.000209
2.6882	1.439	0.000222
2.6954	1.439	0.000232
2.7027	1.439	0.000241
2.71	1.439	0.000246
2.7174	1.439	0.000243
2.7248	1.439	0.000244
2.7322	1.439	0.000247
2.7397	1.439	0.000247
2.7473	1.439	0.000249
2.7548	1.439	0.000257
2.7624	1.439	0.000263
2.7701	1.439	0.000256
2.7778	1.439	0.000239
2.7855	1.439	0.000225
2.7933	1.438	0.000219
2.8011	1.438	0.000222
2.809	1.438	0.000223
2.8169	1.438	0.000219
2.8249	1.438	0.00021
2.8329	1.438	0.000209
2.8409	1.438	0.000215
2.8409	1.438	0.000217
2.8571	1.438	0.000201
2.8653	1.438	0.000188
2.8736	1.438	0.00018
2.8818	1.438	0.000175
2.8902	1.438	0.000167
2.8986	1.438	0.000161
2.907	1.438	0.000158
2.9155	1.437	0.000152
2.924	1.437	0.000142
2.9326	1.437	0.000133
2.9412	1.437	0.000134
2.9499	1.437	0.000144
2.9586	1.437	0.000155
2.9674	1.437	0.000167
2.9762	1.437	0.000196
2.9851	1.436	0.000239
2.994	1.436	0.000268
3.003	1.436	0.000284
3.012	1.436	0.000303
3.0211	1.436	0.00033
3.0303	1.436	0.000334
3.0395	1.436	0.000322
3.0488	1.436	0.000335
3.0581	1.435	0.000363
3.0675	1.435	0.000368
3.0769	1.435	0.000375
3.0864	1.435	0.000414
3.096	1.435	0.00048
3.1056	1.434	0.000562
3.1153	1.434	0.000648
3.125	1.434	0.000715
3.1348	1.433	0.000765
3.1348	1.434	0.000745
3.1447	1.433	0.000753
3.1646	1.433	0.000786
3.1746	1.433	0.000796
3.1847	1.432	0.000785
3.1949	1.432	0.000776
3.2051	1.431	0.000788
3.2154	1.431	0.000836
3.2258	1.43	0.000922
3.2362	1.429	0.001043
3.2468	1.428	0.00117
3.2573	1.427	0.00132
3.268	1.426	0.001471
3.2787	1.425	0.001667
3.2895	1.423	0.001986
3.3003	1.421	0.002441
3.3113	1.418	0.003025
3.3223	1.414	0.004123
3.3333	1.408	0.00746
3.3445	1.4	0.014767
3.3557	1.393	0.031525
3.367	1.409	0.060202
3.3784	1.44	0.055287
3.3898	1.443	0.035253
3.4014	1.433	0.034534
3.413	1.438	0.050045
3.4247	1.458	0.049826
3.4364	1.465	0.035082
3.4483	1.464	0.02447
3.4602	1.458	0.019544
3.4722	1.454	0.022275
3.4843	1.459	0.026484
3.4965	1.465	0.021251
3.5088	1.466	0.01503
3.5211	1.465	0.010015
3.5336	1.463	0.00686
3.5461	1.461	0.004405
3.5587	1.459	0.002709
3.5714	1.457	0.001849
3.5842	1.455	0.001392
3.5971	1.454	0.0011
3.6101	1.453	0.000918
3.6232	1.452	0.000827
3.6364	1.451	0.000847
3.6496	1.45	0.001087
3.663	1.449	0.001536
3.6765	1.449	0.001455
3.69	1.449	0.001162
3.7037	1.449	0.001097
3.7175	1.448	0.001063
3.7313	1.448	0.000879
3.7453	1.448	0.00064
3.7594	1.448	0.000498
3.7736	1.447	0.000407
3.7879	1.447	0.000346
3.8023	1.447	0.000306
3.8168	1.446	0.00028
3.8314	1.446	0.000276
3.8462	1.446	0.000275
3.861	1.446	0.000254
3.876	1.445	0.000233
3.8911	1.445	0.000234
3.9063	1.445	0.000252
3.9216	1.445	0.000257
3.937	1.445	0.000262
3.9526	1.444	0.000303
3.9683	1.444	0.000356
3.9841	1.444	0.000373
4.0	1.444	0.000385
4.0161	1.444	0.000396
4.0323	1.444	0.000434
4.0486	1.444	0.000475
4.065	1.444	0.000463
4.0816	1.444	0.000453
4.0984	1.443	0.000419
4.1152	1.443	0.000445
4.1322	1.443	0.000654
4.1494	1.443	0.000719
4.1667	1.443	0.000529
4.1841	1.443	0.000441
4.2017	1.443	0.000357
4.2194	1.443	0.0003
4.2373	1.443	0.000323
4.2553	1.443	0.000424
4.2735	1.443	0.000439
4.2918	1.443	0.000339
4.3103	1.443	0.000256
4.329	1.442	0.000232
4.3478	1.442	0.000246
4.3668	1.442	0.000273
4.386	1.442	0.000284
4.4053	1.442	0.000294
4.4248	1.442	0.000374
4.4444	1.442	0.000487
4.4643	1.442	0.000575
4.4843	1.442	0.000664
4.5045	1.442	0.000647
4.5249	1.442	0.000526
4.5455	1.442	0.000442
4.5662	1.442	0.000405
4.5872	1.442	0.000394
4.6083	1.441	0.000396
4.6296	1.441	0.000451
4.6512	1.441	0.000427
4.6729	1.441	0.000338
4.6948	1.441	0.000267
4.717	1.441	0.000283
4.7393	1.441	0.000297
4.7619	1.441	0.000244
4.7847	1.441	0.000237
4.8077	1.441	0.000272
4.8309	1.441	0.000314
4.8544	1.441	0.000302
4.878	1.44	0.000253
4.902	1.44	0.000236
4.9261	1.44	0.000289
4.9505	1.44	0.000387
4.9751	1.44	0.000421
5.0	1.44	0.000348
5.0251	1.44	0.000304
5.0505	1.44	0.000301
5.0761	1.44	0.000298
5.102	1.44	0.000312
5.1282	1.439	0.000328
5.1546	1.439	0.000344
5.1813	1.439	0.000322
5.2083	1.439	0.000269
5.2356	1.439	0.000225
5.2632	1.439	0.000218
5.291	1.439	0.000234
5.3191	1.439	0.000228
5.3476	1.438	0.000201
5.3763	1.438	0.000194
5.4054	1.438	0.000225
5.4348	1.438	0.000265
5.4645	1.438	0.000285
5.4945	1.437	0.000328
5.5249	1.437	0.000386
5.5556	1.437	0.000411
5.5866	1.436	0.000439
5.618	1.436	0.000488
5.6497	1.436	0.000611
5.6818	1.435	0.000874
5.7143	1.434	0.001818
5.7471	1.434	0.004431
5.7803	1.437	0.006135
5.814	1.439	0.003633
5.848	1.438	0.001478
5.8824	1.437	0.001156
5.9172	1.436	0.001114
5.9524	1.436	0.001096
5.988	1.436	0.001075
6.0241	1.435	0.001084
6.0606	1.435	0.001114
6.0976	1.434	0.001141
6.135	1.434	0.001163
6.1728	1.433	0.001228
6.2112	1.433	0.001351
6.25	1.433	0.001455
6.2893	1.432	0.001363
6.3291	1.431	0.001557
6.3694	1.431	0.001504
6.4103	1.43	0.001514
6.4516	1.429	0.00159
6.4935	1.428	0.001731
6.5359	1.426	0.001972
6.5789	1.424	0.002327
6.6225	1.422	0.002821
6.6667	1.419	0.003684
6.7114	1.415	0.005115
6.7568	1.407	0.008249
6.8027	1.397	0.020211
6.8493	1.401	0.049908
6.8966	1.436	0.066603
6.9444	1.457	0.040064
6.993	1.454	0.028297
7.0423	1.455	0.021394
7.0922	1.452	0.012682
7.1429	1.445	0.008875
7.1942	1.435	0.009887
7.2464	1.434	0.029517
7.2993	1.456	0.028203
7.3529	1.456	0.008288
7.4074	1.448	0.004078
7.4627	1.443	0.003631
7.5188	1.439	0.003687
7.5758	1.435	0.004412
7.6336	1.431	0.005476
7.6923	1.425	0.007603
7.7519	1.418	0.013129
7.8125	1.403	0.023816
7.874	1.407	0.037634
7.9365	1.424	0.082738
8.0	1.482	0.070572
8.0645	1.49	0.027896
8.1301	1.478	0.010522
8.1967	1.468	0.004941
8.2645	1.461	0.003511
8.3333	1.456	0.003101
8.4034	1.453	0.002901
8.4746	1.45	0.002898
8.547	1.448	0.003253
8.6207	1.446	0.003923
8.6957	1.443	0.004789
8.7719	1.441	0.006631
8.8496	1.44	0.009044
8.9286	1.439	0.011669
9.009	1.439	0.014257
9.0909	1.441	0.017372
9.1743	1.443	0.017719
9.2593	1.443	0.020777
9.3458	1.45	0.022194
9.434	1.451	0.015731
9.5238	1.448	0.015614
9.6154	1.449	0.017266
9.7087	1.449	0.018173
9.8039	1.452	0.019838
9.901	1.456	0.017846
10.0	1.455	0.012
10.101	1.449	0.011458
10.2041	1.446	0.022909
10.3093	1.463	0.026741
10.4167	1.468	0.011165
10.5263	1.463	0.005544
10.6383	1.459	0.003449
10.7527	1.457	0.002583
10.8696	1.455	0.002165
10.989	1.453	0.001994
11.1111	1.451	0.002116
11.236	1.449	0.002618
11.3636	1.448	0.00386
11.4943	1.447	0.004433
11.6279	1.447	0.004318
11.7647	1.445	0.003978
11.9048	1.441	0.004837
12.0482	1.437	0.008254
12.1951	1.436	0.016312
12.3457	1.441	0.023086
12.5	1.447	0.025821
12.6582	1.453	0.026997
12.8205	1.461	0.023784
12.987	1.463	0.017424
13.1579	1.464	0.012819
13.3333	1.461	0.008394
13.5135	1.46	0.010465
13.6986	1.462	0.00792
13.8889	1.459	0.004128
14.0845	1.456	0.004152
14.2857	1.453	0.00795
14.4928	1.458	0.010687
14.7059	1.46	0.006265
14.9254	1.458	0.003902
15.1515	1.456	0.005483
15.3846	1.457	0.005753
15.625	1.458	0.006862
15.873	1.46	0.004571
16.129	1.459	0.002324
16.3934	1.458	0.001596
16.6667	1.457	0.00131
16.9492	1.456	0.001204
17.2414	1.455	0.001316
17.5439	1.455	0.001404
17.8571	1.455	0.001388
18.1818	1.454	0.001363
18.5185	1.454	0.001488
18.8679	1.454	0.001649
19.2308	1.454	0.001828
19.6078	1.454	0.002088

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: —

C₄H₁₀O₃S (Diethyl sulfite, DES): all datasets

Querry 1987: n,k 0.270–19.6 µm n,k 0.3–19.61 µm default

About C4H10O3S (Diethyl sulfite, DES)

Diethyl sulfite (C₄H₁₀O₃S) is a clear, colorless liquid with a characteristic sulfurous odor. This ester of sulfuric acid is commonly used as a reagent in organic synthesis, specifically in the preparation of certain organic compounds via alkylation and acylation reactions. Its unique chemical structure allows it to participate in a variety of chemical transformations, making it valuable in the realm of organic chemistry. Like many organic solvents, diethyl sulfite should be handled with care, ensuring that there is adequate ventilation when using it and that it is kept away from open flames and sources of ignition.

More about C4H10O3S (Diethyl sulfite, DES) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/organic/C4H10O3S - diethyl sulfite/nk/Querry.yml
ID: ds_78f4666eb437
API: /v1/datasets/ds_78f4666eb437

Plot