Optical constants

Refractive index of C₄H₈O₂ (Dioxane)

Moutzouris et al. 2013: n 0.450–1.55 µm

Data: formula 3
Range: 0.45–1.551 µm
Temperature: 300 K
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 1.42027
Extinction coefficient k: 0

Permittivity ε₁: 2.01716
Permittivity ε₂: 0

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

Abbe number V_d: 64.071
Chromatic dispersion dn/dλ: -0.0317106 µm⁻¹

Group index n_g: 1.4389
Group velocity dispersion: 74.1855 fs²/mm

Dispersion parameter D: -404.721 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

# C4H8O2 (Dioxane): Moutzouris et al. 2013: n 0.450–1.55 µm
c4h8o2 = ls.fetch_refractiveindex("organic", "dioxane", "Moutzouris", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(c4h8o2.range_nm)  # (450, 1551) nm
eps = c4h8o2.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_a28d22dce9f0/lightsmith"
c4h8o2 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(c4h8o2.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (dioxane/moutzouris-2013).

# ... load c4h8o2 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=c4h8o2)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=450, 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.

Dispersion formula

Polynomial (formula 3), λ in µm

n^{2} = 1.996073056 - 0.00163203 λ^{2.0} + 0.00665705 λ^{- 2.0} + 6.00055 \times 10^{-5} λ^{- 4.0} + 7.70185 \times 10^{-5} λ^{- 6.0}

Valid from 0.45 to 1.551 µm.

Coefficients as stored

C_i	Value
C1	1.996073056
C2	-0.00163203
C3	2.0
C4	0.00665705
C5	-2.0
C6	6.00055e-05
C7	-4.0
C8	7.70185e-05
C9	-6.0

Comments and conditions

1,4-Dioxane (p-Dioxane); 300 K (27 °C).

Conditions

temperature: 300 K

References

K. Moutzouris, M. Papamichael, S. C. Betsis, I. Stavrakas, G. Hloupis, D. Triantis. Refractive, dispersive and thermo-optic properties of twelve organic solvents in the visible and near-infrared. Appl. Phys. B 116, 617-622 (2013)

doi:10.1007/s00340-013-5744-3 Refractive, dispersive and thermo-optic properties of twelve organic solvents in the visible and near-infrared, Applied Physics B (2013)

Cite

Konstantinos Moutzouris et al.. Refractive, dispersive and thermo-optic properties of twelve organic solvents in the visible and near-infrared. Applied Physics B, 116, 617-622 (2013), doi:10.1007/s00340-013-5744-3; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

Computed on 400 wavelengths, the same grid as the API and the library

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

C4H8O2 (Dioxane), Moutzouris et al. 2013: n 0.450–1.55 µm: n and k versus wavelength
λ (µm)	n
0.45	1.42806
0.451398	1.427922
0.4528	1.427785
0.454206	1.427651
0.455617	1.427517
0.457032	1.427385
0.458452	1.427255
0.459876	1.427126
0.461304	1.426999
0.462737	1.426873
0.464174	1.426749
0.465616	1.426626
0.467062	1.426504
0.468513	1.426384
0.469968	1.426265
0.471428	1.426147
0.472892	1.426031
0.474361	1.425916
0.475835	1.425802
0.477313	1.425689
0.478795	1.425578
0.480282	1.425468
0.481774	1.425359
0.483271	1.425251
0.484772	1.425145
0.486277	1.425039
0.487788	1.424935
0.489303	1.424832
0.490823	1.42473
0.492347	1.424629
0.493877	1.424529
0.495411	1.42443
0.496949	1.424333
0.498493	1.424236
0.500041	1.42414
0.501595	1.424045
0.503153	1.423952
0.504715	1.423859
0.506283	1.423767
0.507856	1.423676
0.509433	1.423586
0.511015	1.423497
0.512603	1.423409
0.514195	1.423322
0.515792	1.423236
0.517394	1.42315
0.519001	1.423065
0.520613	1.422982
0.52223	1.422899
0.523852	1.422817
0.52548	1.422735
0.527112	1.422655
0.528749	1.422575
0.530391	1.422496
0.532039	1.422418
0.533691	1.422341
0.535349	1.422264
0.537012	1.422188
0.53868	1.422113
0.540353	1.422039
0.542031	1.421965
0.543715	1.421892
0.545404	1.42182
0.547098	1.421748
0.548797	1.421677
0.550502	1.421607
0.552212	1.421537
0.553927	1.421468
0.555647	1.4214
0.557373	1.421332
0.559105	1.421265
0.560841	1.421199
0.562583	1.421133
0.564331	1.421067
0.566084	1.421003
0.567842	1.420939
0.569606	1.420875
0.571375	1.420812
0.57315	1.42075
0.57493	1.420688
0.576716	1.420627
0.578507	1.420566
0.580304	1.420506
0.582106	1.420447
0.583914	1.420387
0.585728	1.420329
0.587547	1.420271
0.589372	1.420213
0.591203	1.420156
0.593039	1.4201
0.594881	1.420044
0.596729	1.419988
0.598583	1.419933
0.600442	1.419878
0.602307	1.419824
0.604178	1.41977
0.606054	1.419717
0.607937	1.419664
0.609825	1.419612
0.611719	1.41956
0.613619	1.419509
0.615525	1.419458
0.617437	1.419407
0.619355	1.419357
0.621279	1.419307
0.623209	1.419257
0.625144	1.419208
0.627086	1.41916
0.629034	1.419112
0.630988	1.419064
0.632948	1.419016
0.634914	1.418969
0.636886	1.418923
0.638864	1.418876
0.640848	1.418831
0.642839	1.418785
0.644835	1.41874
0.646838	1.418695
0.648847	1.41865
0.650863	1.418606
0.652885	1.418562
0.654912	1.418519
0.656947	1.418476
0.658987	1.418433
0.661034	1.418391
0.663087	1.418348
0.665147	1.418307
0.667213	1.418265
0.669285	1.418224
0.671364	1.418183
0.673449	1.418143
0.675541	1.418102
0.67764	1.418062
0.679744	1.418023
0.681856	1.417983
0.683974	1.417944
0.686098	1.417905
0.688229	1.417867
0.690367	1.417829
0.692511	1.417791
0.694662	1.417753
0.69682	1.417716
0.698984	1.417679
0.701155	1.417642
0.703333	1.417605
0.705518	1.417569
0.707709	1.417533
0.709907	1.417497
0.712112	1.417461
0.714324	1.417426
0.716543	1.417391
0.718769	1.417356
0.721001	1.417322
0.723241	1.417287
0.725487	1.417253
0.727741	1.417219
0.730001	1.417186
0.732269	1.417152
0.734543	1.417119
0.736825	1.417086
0.739113	1.417054
0.741409	1.417021
0.743712	1.416989
0.746022	1.416957
0.748339	1.416925
0.750664	1.416893
0.752995	1.416862
0.755334	1.416831
0.75768	1.4168
0.760034	1.416769
0.762394	1.416738
0.764762	1.416708
0.767138	1.416678
0.769521	1.416648
0.771911	1.416618
0.774308	1.416588
0.776713	1.416559
0.779126	1.41653
0.781546	1.4165
0.783974	1.416472
0.786409	1.416443
0.788851	1.416414
0.791302	1.416386
0.793759	1.416358
0.796225	1.41633
0.798698	1.416302
0.801179	1.416274
0.803667	1.416247
0.806164	1.41622
0.808668	1.416193
0.811179	1.416166
0.813699	1.416139
0.816226	1.416112
0.818762	1.416086
0.821305	1.416059
0.823856	1.416033
0.826415	1.416007
0.828982	1.415981
0.831557	1.415956
0.83414	1.41593
0.83673	1.415905
0.839329	1.415879
0.841936	1.415854
0.844552	1.415829
0.847175	1.415804
0.849806	1.41578
0.852446	1.415755
0.855094	1.415731
0.85775	1.415706
0.860414	1.415682
0.863086	1.415658
0.865767	1.415634
0.868456	1.415611
0.871154	1.415587
0.87386	1.415564
0.876574	1.41554
0.879297	1.415517
0.882028	1.415494
0.884768	1.415471
0.887516	1.415448
0.890272	1.415425
0.893038	1.415403
0.895811	1.41538
0.898594	1.415358
0.901385	1.415336
0.904185	1.415313
0.906993	1.415291
0.909811	1.41527
0.912636	1.415248
0.915471	1.415226
0.918315	1.415204
0.921167	1.415183
0.924028	1.415162
0.926898	1.41514
0.929777	1.415119
0.932665	1.415098
0.935562	1.415077
0.938468	1.415056
0.941383	1.415036
0.944307	1.415015
0.94724	1.414994
0.950183	1.414974
0.953134	1.414954
0.956094	1.414933
0.959064	1.414913
0.962043	1.414893
0.965031	1.414873
0.968029	1.414853
0.971036	1.414833
0.974052	1.414814
0.977077	1.414794
0.980112	1.414775
0.983156	1.414755
0.98621	1.414736
0.989273	1.414717
0.992346	1.414697
0.995428	1.414678
0.99852	1.414659
1.00162	1.41464
1.00473	1.414621
1.00785	1.414603
1.01098	1.414584
1.01412	1.414565
1.01727	1.414547
1.02043	1.414528
1.0236	1.41451
1.02678	1.414492
1.02997	1.414473
1.03317	1.414455
1.03638	1.414437
1.0396	1.414419
1.04283	1.414401
1.04607	1.414383
1.04932	1.414365
1.05258	1.414348
1.05585	1.41433
1.05913	1.414312
1.06242	1.414295
1.06572	1.414277
1.06903	1.41426
1.07235	1.414242
1.07568	1.414225
1.07902	1.414208
1.08237	1.414191
1.08573	1.414173
1.0891	1.414156
1.09249	1.414139
1.09588	1.414122
1.09928	1.414106
1.1027	1.414089
1.10612	1.414072
1.10956	1.414055
1.11301	1.414038
1.11646	1.414022
1.11993	1.414005
1.12341	1.413989
1.1269	1.413972
1.1304	1.413956
1.13391	1.413939
1.13743	1.413923
1.14096	1.413907
1.14451	1.413891
1.14806	1.413874
1.15163	1.413858
1.15521	1.413842
1.15879	1.413826
1.16239	1.41381
1.166	1.413794
1.16963	1.413778
1.17326	1.413762
1.1769	1.413746
1.18056	1.413731
1.18423	1.413715
1.1879	1.413699
1.19159	1.413683
1.1953	1.413668
1.19901	1.413652
1.20273	1.413637
1.20647	1.413621
1.21022	1.413605
1.21397	1.41359
1.21774	1.413575
1.22153	1.413559
1.22532	1.413544
1.22913	1.413528
1.23295	1.413513
1.23677	1.413498
1.24062	1.413483
1.24447	1.413467
1.24834	1.413452
1.25221	1.413437
1.2561	1.413422
1.26	1.413407
1.26392	1.413391
1.26784	1.413376
1.27178	1.413361
1.27573	1.413346
1.27969	1.413331
1.28367	1.413316
1.28766	1.413301
1.29166	1.413286
1.29567	1.413271
1.29969	1.413257
1.30373	1.413242
1.30778	1.413227
1.31184	1.413212
1.31592	1.413197
1.32	1.413182
1.3241	1.413168
1.32822	1.413153
1.33234	1.413138
1.33648	1.413123
1.34063	1.413108
1.34479	1.413094
1.34897	1.413079
1.35316	1.413064
1.35736	1.41305
1.36158	1.413035
1.36581	1.41302
1.37005	1.413006
1.37431	1.412991
1.37858	1.412976
1.38286	1.412962
1.38715	1.412947
1.39146	1.412932
1.39578	1.412918
1.40012	1.412903
1.40447	1.412889
1.40883	1.412874
1.41321	1.412859
1.4176	1.412845
1.422	1.41283
1.42642	1.412816
1.43085	1.412801
1.43529	1.412786
1.43975	1.412772
1.44422	1.412757
1.44871	1.412743
1.45321	1.412728
1.45772	1.412713
1.46225	1.412699
1.46679	1.412684
1.47135	1.41267
1.47592	1.412655
1.4805	1.41264
1.4851	1.412626
1.48971	1.412611
1.49434	1.412596
1.49898	1.412582
1.50364	1.412567
1.50831	1.412552
1.51299	1.412538
1.51769	1.412523
1.52241	1.412508
1.52714	1.412494
1.53188	1.412479
1.53664	1.412464
1.54141	1.41245
1.5462	1.412435
1.551	1.41242

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: —

C₄H₈O₂ (Dioxane): all datasets

About C4H8O2 (Dioxane)

Dioxane (C₄H₈O₂) is a clear, colorless organic solvent with a faint pleasant odor. It is used in a variety of industrial and scientific applications due to its miscibility with both water and many organic solvents. Dioxane is commonly used as a solvent for cellulose, resins, oils, and fats. In laboratories, it's often employed in organic synthesis and as a solvent in spectroscopic studies. It is also utilized in the preparation of certain pharmaceuticals. However, dioxane is classified as a potential human carcinogen and its use and disposal are subject to strict regulations in many countries. As such, many industries and laboratories are seeking safer alternatives. Isomers: 1,4-Dioxane (p-Dioxane) - most common isomer; 1,3-Dioxane (m-Dioxane); 1,2-Dioxane (o-Dioxane).

More about C4H8O2 (Dioxane) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/organic/C4H8O2 - dioxane/nk/Moutzouris.yml
ID: ds_a28d22dce9f0
API: /v1/datasets/ds_a28d22dce9f0

Plot