Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 1.49176
Extinction coefficient k: 0

Permittivity ε₁: 2.22536
Permittivity ε₂: 0

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

Abbe number V_d: 56.286
Chromatic dispersion dn/dλ: -0.0451668 µm⁻¹

Group index n_g: 1.5183
Group velocity dispersion: 82.2451 fs²/mm

Dispersion parameter D: -448.691 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

# Acrylic matching liquid (Cargille): Acrylic matching liquid
mat = ls.fetch_refractiveindex("specs", "Cargille", "acrylic_matching_liquid", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(mat.range_nm)  # (310, 1550) nm
eps = mat.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_41f694ff9173/lightsmith"
mat = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(mat.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (cargille-acrylic-matching-liquid/cargille).

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

Dispersion formula

Cauchy (formula 5), λ in µm

n = 1.47842 + 0.00463182 λ^{- 2.0} - 8.63733 \times 10^{-6} λ^{- 4.0}

Valid from 0.31 to 1.55 µm.

Coefficients as stored

C_i	Value
C1	1.47842
C2	0.00463182
C3	-2.0
C4	-8.63733e-06
C5	-4.0

Comments and conditions

25 °C

Conditions

temperature: 298 K

Properties

density: value: 888, temperature: 298
thermal expansion: value: 0.0007, temperature: 298

References

Acrylic Matching Liquid Code 5032 Data Sheet 30-NOV-17 (obtained from https://www.cargille.com)

Cite

Acrylic Matching Liquid Code 5032 Data Sheet 30-NOV-17 (obtained from https://www.cargille.com); Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

Computed on 413 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

Acrylic matching liquid (Cargille), Acrylic matching liquid: n and k versus wavelength
λ (µm)	n	k
0.31	1.525683	3.850000e-06
0.311253	1.52531	3.776237e-06
0.312511	1.524941	3.702175e-06
0.313774	1.524574	3.627815e-06
0.315042	1.524211	3.553153e-06
0.316316	1.52385	3.478190e-06
0.317594	1.523492	3.402924e-06
0.318878	1.523136	3.327354e-06
0.320167	1.522784	3.251478e-06
0.321461	1.522434	3.175296e-06
0.32276	1.522086	3.098806e-06
0.324065	1.521742	3.022006e-06
0.325374	1.5214	2.944897e-06
0.326689	1.521061	2.867475e-06
0.32801	1.520724	2.789741e-06
0.329336	1.52039	2.711692e-06
0.330667	1.520059	2.633328e-06
0.332003	1.51973	2.554647e-06
0.333345	1.519404	2.475648e-06
0.334692	1.51908	2.396330e-06
0.336045	1.518759	2.316691e-06
0.337404	1.51844	2.236731e-06
0.338767	1.518124	2.156447e-06
0.340136	1.51781	2.075839e-06
0.341511	1.517499	1.994905e-06
0.342892	1.51719	1.913643e-06
0.344277	1.516883	1.832054e-06
0.345669	1.516579	1.750134e-06
0.347066	1.516277	1.667884e-06
0.348469	1.515978	1.585301e-06
0.349877	1.515681	1.502384e-06
0.351291	1.515386	1.419132e-06
0.352711	1.515094	1.335544e-06
0.354137	1.514803	1.251618e-06
0.355568	1.514515	1.167352e-06
0.357005	1.51423	1.082746e-06
0.358448	1.513946	9.977981e-07
0.359897	1.513665	9.125068e-07
0.361352	1.513386	8.268707e-07
0.362812	1.513109	7.408885e-07
0.364279	1.512834	6.545588e-07
0.365	1.5127	6.121000e-07
0.365751	1.512562	6.049406e-07
0.367229	1.512291	5.908502e-07
0.368714	1.512023	5.767028e-07
0.370204	1.511756	5.624983e-07
0.3717	1.511492	5.482363e-07
0.373203	1.51123	5.339167e-07
0.374711	1.51097	5.195392e-07
0.376226	1.510712	5.051036e-07
0.377746	1.510456	4.906097e-07
0.379273	1.510202	4.760572e-07
0.380806	1.50995	4.614458e-07
0.382345	1.5097	4.467754e-07
0.38389	1.509452	4.320457e-07
0.385442	1.509206	4.172565e-07
0.387	1.508961	4.024075e-07
0.388564	1.508719	3.874985e-07
0.390135	1.508479	3.725292e-07
0.391712	1.50824	3.574994e-07
0.393295	1.508003	3.424089e-07
0.394884	1.507769	3.272574e-07
0.39648	1.507536	3.120446e-07
0.398083	1.507304	2.967703e-07
0.399692	1.507075	2.814344e-07
0.401307	1.506848	2.660364e-07
0.402929	1.506622	2.505762e-07
0.404558	1.506398	2.350535e-07
0.4047	1.506378	2.337000e-07
0.406193	1.506176	2.298271e-07
0.407835	1.505955	2.255688e-07
0.409483	1.505736	2.212932e-07
0.411138	1.505519	2.170004e-07
0.4128	1.505304	2.126902e-07
0.414469	1.50509	2.083626e-07
0.416144	1.504878	2.040176e-07
0.417826	1.504668	1.996549e-07
0.419515	1.504459	1.952746e-07
0.42121	1.504252	1.908766e-07
0.422913	1.504047	1.864609e-07
0.424622	1.503843	1.820273e-07
0.426338	1.503641	1.775757e-07
0.428061	1.503441	1.731062e-07
0.429792	1.503242	1.686186e-07
0.431529	1.503044	1.641129e-07
0.433273	1.502848	1.595890e-07
0.435024	1.502654	1.550467e-07
0.436782	1.502461	1.504861e-07
0.438548	1.50227	1.459071e-07
0.44032	1.50208	1.413096e-07
0.4421	1.501892	1.366935e-07
0.443887	1.501705	1.320587e-07
0.445681	1.50152	1.274052e-07
0.447482	1.501336	1.227329e-07
0.449291	1.501153	1.180417e-07
0.451107	1.500972	1.133316e-07
0.45293	1.500793	1.086024e-07
0.454761	1.500615	1.038541e-07
0.456599	1.500438	9.908661e-08
0.458444	1.500263	9.429985e-08
0.460297	1.500089	8.949374e-08
0.462158	1.499916	8.466820e-08
0.464026	1.499745	7.982316e-08
0.465901	1.499575	7.495854e-08
0.467784	1.499407	7.007426e-08
0.469675	1.499239	6.517023e-08
0.471573	1.499074	6.024638e-08
0.473479	1.498909	5.530263e-08
0.475393	1.498746	5.033890e-08
0.477315	1.498584	4.535511e-08
0.479244	1.498423	4.035117e-08
0.48	1.498361	3.839000e-08
0.481181	1.498264	3.848486e-08
0.483126	1.498106	3.864109e-08
0.485078	1.497949	3.879794e-08
0.4861	1.497867	3.888000e-08
0.487039	1.497793	3.827148e-08
0.489008	1.497639	3.699588e-08
0.490984	1.497485	3.571512e-08
0.492969	1.497333	3.442918e-08
0.494961	1.497183	3.313804e-08
0.496962	1.497033	3.184169e-08
0.49897	1.496884	3.054010e-08
0.500987	1.496737	2.923324e-08
0.503012	1.496591	2.792111e-08
0.505045	1.496446	2.660367e-08
0.507086	1.496302	2.528090e-08
0.509136	1.49616	2.395279e-08
0.511194	1.496018	2.261931e-08
0.51326	1.495878	2.128044e-08
0.515334	1.495739	1.993616e-08
0.517417	1.4956	1.858645e-08
0.519509	1.495463	1.723128e-08
0.521608	1.495327	1.587063e-08
0.523717	1.495192	1.450449e-08
0.525833	1.495059	1.313282e-08
0.527959	1.494926	1.175561e-08
0.530093	1.494794	1.037283e-08
0.532235	1.494663	8.984465e-09
0.534386	1.494534	7.590487e-09
0.536546	1.494405	6.190874e-09
0.538715	1.494277	4.785604e-09
0.540892	1.494151	3.374655e-09
0.543078	1.494025	1.958003e-09
0.545273	1.493901	5.356247e-10
0.5461	1.493854	0
0.547477	1.493777	0
0.54969	1.493654	0
0.551912	1.493533	0
0.554143	1.493412	0
0.556382	1.493292	0
0.558631	1.493174	0
0.560889	1.493056	0
0.563156	1.492939	0
0.565432	1.492823	0
0.567718	1.492708	0
0.570012	1.492594	0
0.572316	1.49248	0
0.574629	1.492368	0
0.576952	1.492257	0
0.579284	1.492146	0
0.581625	1.492036	0
0.583976	1.491928	0
0.586336	1.49182	0
0.588706	1.491713	0
0.5893	1.491686	0
0.591086	1.491606	0
0.593475	1.491501	0
0.595873	1.491396	0
0.598282	1.491293	0
0.6007	1.49119	0
0.603128	1.491088	0
0.605566	1.490987	0
0.608013	1.490886	0
0.610471	1.490786	0
0.612938	1.490688	0
0.615416	1.490589	0
0.617903	1.490492	0
0.6204	1.490396	0
0.622908	1.4903	0
0.625426	1.490205	0
0.627953	1.490111	0
0.630492	1.490017	0
0.6328	1.489933	0
0.63304	1.489924	0
0.635599	1.489832	0
0.638168	1.489741	0
0.640747	1.489651	0
0.643337	1.489561	0
0.6439	1.489541	0
0.645937	1.489472	0
0.648548	1.489383	0
0.651169	1.489296	0
0.653801	1.489209	0
0.6563	1.489127	0
0.656443	1.489122	0
0.659097	1.489037	0
0.661761	1.488952	0
0.664435	1.488867	0
0.667121	1.488784	0
0.669817	1.488701	0
0.672525	1.488619	0
0.675243	1.488537	0
0.677972	1.488456	0
0.680712	1.488376	0
0.683464	1.488296	0
0.686226	1.488217	0
0.689	1.488139	0
0.691784	1.488061	0
0.6943	1.487991	0
0.694581	1.487984	1.293428e-10
0.697388	1.487907	1.423779e-09
0.700207	1.487831	2.723447e-09
0.703037	1.487756	4.028368e-09
0.705878	1.487681	5.338563e-09
0.708731	1.487607	6.654053e-09
0.711596	1.487533	7.974861e-09
0.714472	1.48746	9.301007e-09
0.71736	1.487388	1.063251e-08
0.720259	1.487316	1.196940e-08
0.72317	1.487245	1.331169e-08
0.726093	1.487174	1.465941e-08
0.729028	1.487104	1.601257e-08
0.731975	1.487035	1.737121e-08
0.734933	1.486966	1.873533e-08
0.737904	1.486897	2.010497e-08
0.740886	1.48683	2.148014e-08
0.743881	1.486762	2.286088e-08
0.746887	1.486695	2.424719e-08
0.749906	1.486629	2.563910e-08
0.752937	1.486563	2.703665e-08
0.75598	1.486498	2.843984e-08
0.759036	1.486433	2.984870e-08
0.762104	1.486369	3.126326e-08
0.765184	1.486306	3.268353e-08
0.768277	1.486242	3.410954e-08
0.771382	1.48618	3.554132e-08
0.7745	1.486118	3.697889e-08
0.77763	1.486056	3.842226e-08
0.780773	1.485995	3.987147e-08
0.783929	1.485934	4.132654e-08
0.787098	1.485874	4.278749e-08
0.790279	1.485814	4.425434e-08
0.793473	1.485755	4.572712e-08
0.79668	1.485696	4.720585e-08
0.7999	1.485638	4.869057e-08
0.803133	1.48558	5.018128e-08
0.806379	1.485523	5.167801e-08
0.809639	1.485466	5.318080e-08
0.812911	1.485409	5.468966e-08
0.816197	1.485353	5.620462e-08
0.819496	1.485298	5.772570e-08
0.822808	1.485243	5.925293e-08
0.826133	1.485188	6.078634e-08
0.829473	1.485134	6.232594e-08
0.832825	1.48508	6.387176e-08
0.836191	1.485027	6.542383e-08
0.839571	1.484974	6.698218e-08
0.84	1.484967	6.718000e-08
0.842964	1.484921	7.085539e-08
0.846371	1.484869	7.507973e-08
0.849792	1.484817	7.932114e-08
0.853227	1.484766	8.357969e-08
0.856676	1.484715	8.785546e-08
0.860138	1.484665	9.214851e-08
0.863615	1.484615	9.645891e-08
0.867105	1.484565	1.007867e-07
0.87061	1.484516	1.051320e-07
0.874129	1.484467	1.094949e-07
0.877662	1.484419	1.138754e-07
0.881209	1.48437	1.182736e-07
0.884771	1.484323	1.226896e-07
0.888347	1.484275	1.271235e-07
0.891938	1.484228	1.315752e-07
0.895543	1.484182	1.360450e-07
0.899162	1.484136	1.405328e-07
0.902797	1.48409	1.450388e-07
0.906445	1.484044	1.495630e-07
0.910109	1.483999	1.541054e-07
0.913788	1.483955	1.586662e-07
0.917481	1.48391	1.632455e-07
0.921189	1.483866	1.678433e-07
0.924913	1.483823	1.724596e-07
0.928651	1.483779	1.770946e-07
0.932404	1.483736	1.817483e-07
0.936173	1.483694	1.864209e-07
0.939957	1.483651	1.911123e-07
0.943756	1.483609	1.958227e-07
0.947571	1.483568	2.005521e-07
0.9514	1.483527	2.053007e-07
0.955246	1.483486	2.100684e-07
0.959107	1.483445	2.148554e-07
0.962983	1.483405	2.196618e-07
0.966876	1.483365	2.244876e-07
0.970783	1.483325	2.293329e-07
0.974707	1.483286	2.341978e-07
0.978647	1.483247	2.390823e-07
0.982602	1.483208	2.439866e-07
0.986574	1.48317	2.489107e-07
0.990561	1.483132	2.538547e-07
0.994565	1.483094	2.588187e-07
0.998585	1.483056	2.638027e-07
1.00262	1.483019	2.688069e-07
1.00667	1.482982	2.738314e-07
1.01074	1.482946	2.788761e-07
1.01483	1.482909	2.839412e-07
1.01893	1.482873	2.890268e-07
1.02305	1.482838	2.941329e-07
1.02718	1.482802	2.992597e-07
1.03133	1.482767	3.044072e-07
1.0355	1.482732	3.095755e-07
1.03969	1.482698	3.147648e-07
1.04389	1.482663	3.199749e-07
1.04811	1.482629	3.252062e-07
1.05235	1.482595	3.304585e-07
1.0566	1.482562	3.357321e-07
1.06087	1.482529	3.410271e-07
1.0648	1.482499	3.459000e-07
1.06516	1.482496	3.470314e-07
1.06946	1.482463	3.606517e-07
1.07379	1.482431	3.743270e-07
1.07813	1.482398	3.880575e-07
1.08248	1.482367	4.018436e-07
1.08686	1.482335	4.156854e-07
1.09125	1.482303	4.295832e-07
1.09566	1.482272	4.435371e-07
1.10009	1.482241	4.575474e-07
1.10454	1.482211	4.716144e-07
1.109	1.48218	4.857382e-07
1.11348	1.48215	4.999191e-07
1.11798	1.48212	5.141573e-07
1.1225	1.482091	5.284530e-07
1.12704	1.482061	5.428065e-07
1.13159	1.482032	5.572181e-07
1.13617	1.482003	5.716879e-07
1.14076	1.481974	5.862162e-07
1.14537	1.481946	6.008032e-07
1.15	1.481917	6.154491e-07
1.15465	1.481889	6.301543e-07
1.15932	1.481861	6.449189e-07
1.164	1.481834	6.597432e-07
1.16871	1.481806	6.746273e-07
1.17343	1.481779	6.895717e-07
1.17817	1.481752	7.045764e-07
1.18293	1.481726	7.196418e-07
1.18772	1.481699	7.347681e-07
1.19252	1.481673	7.499555e-07
1.19734	1.481647	7.652043e-07
1.20218	1.481621	7.805148e-07
1.20703	1.481595	7.958871e-07
1.21191	1.48157	8.113216e-07
1.21681	1.481544	8.268184e-07
1.22173	1.481519	8.423779e-07
1.22667	1.481494	8.580002e-07
1.23163	1.48147	8.736858e-07
1.2366	1.481445	8.894347e-07
1.2416	1.481421	9.052472e-07
1.24662	1.481397	9.211237e-07
1.25166	1.481373	9.370643e-07
1.25672	1.481349	9.530694e-07
1.2618	1.481326	9.691392e-07
1.2669	1.481302	9.852739e-07
1.27202	1.481279	1.001474e-06
1.27716	1.481256	1.017739e-06
1.28232	1.481234	1.034070e-06
1.2875	1.481211	1.050467e-06
1.29271	1.481189	1.066931e-06
1.29793	1.481166	1.083461e-06
1.3	1.481158	1.090000e-06
1.30318	1.481144	1.111135e-06
1.30845	1.481123	1.146151e-06
1.31373	1.481101	1.181309e-06
1.31904	1.481079	1.216609e-06
1.32438	1.481058	1.252052e-06
1.32973	1.481037	1.287638e-06
1.3351	1.481016	1.323368e-06
1.3405	1.480995	1.359242e-06
1.34592	1.480974	1.395262e-06
1.35136	1.480954	1.431426e-06
1.35682	1.480933	1.467738e-06
1.3623	1.480913	1.504195e-06
1.36781	1.480893	1.540801e-06
1.37334	1.480873	1.577554e-06
1.37889	1.480854	1.614455e-06
1.38446	1.480834	1.651506e-06
1.39006	1.480815	1.688707e-06
1.39568	1.480796	1.726058e-06
1.40132	1.480776	1.763560e-06
1.40698	1.480758	1.801213e-06
1.41267	1.480739	1.839019e-06
1.41838	1.48072	1.876977e-06
1.42411	1.480702	1.915089e-06
1.42987	1.480683	1.953355e-06
1.43565	1.480665	1.991776e-06
1.44145	1.480647	2.030352e-06
1.44727	1.480629	2.069083e-06
1.45312	1.480612	2.107972e-06
1.459	1.480594	2.147017e-06
1.46489	1.480577	2.186221e-06
1.47082	1.480559	2.225582e-06
1.47676	1.480542	2.265103e-06
1.48273	1.480525	2.304784e-06
1.48872	1.480508	2.344625e-06
1.49474	1.480491	2.384627e-06
1.50078	1.480475	2.424791e-06
1.50685	1.480458	2.465117e-06
1.51294	1.480442	2.505606e-06
1.51905	1.480426	2.546259e-06
1.52519	1.48041	2.587076e-06
1.53136	1.480394	2.628058e-06
1.53755	1.480378	2.669205e-06
1.54376	1.480362	2.710519e-06
1.55	1.480346	2.752000e-06

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: —

Plot