Optical constants

Refractive index of (C₈H₈)_n (Polystyrene, PS)

Zhang et al. 2020: n,k 0.4–20 µm

Data: tabulated nk
Range: 0.4–19.94 µm
Points: 617
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 1.58922
Extinction coefficient k: 5.85880e-07

Permittivity ε₁: 2.5256
Permittivity ε₂: 1.86218e-06

Absorption coefficient α: 0.125296 cm⁻¹
Penetration depth δ = λ/(2πk): 1.59622e+08 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.098 µm⁻¹

Group index n_g: 1.6468
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

# (C8H8)n (Polystyrene, PS): Zhang et al. 2020: n,k 0.4–20 µm
polystyrene = ls.fetch_refractiveindex("organic", "polystyrene", "Zhang", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(polystyrene.range_nm)  # (400, 19942) nm
eps = polystyrene.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_52738df095c2/lightsmith"
polystyrene = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(polystyrene.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (polystyrene/zhang-2020).

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

Normal temperature and pressure. Manufacturer : ShanghaiHuineng Industry, China.

References

1) X. Zhang, J. Qiu, X. Li, J. Zhao, L. Liu. Complex refractive indices measurements of polymers in visible and near-infrared bands. Appl. Opt. 59, 2337-2344 (2020) (0.4-2 µm)
2) X. Zhang, J. Qiu, J. Zhao, X. Li, L. Liu. Complex refractive indices measurements of polymers in infrared bands. J. Quant. Spectrosc. Radiat. Transf. 252, 107063 (2020) (2-20 µm)

doi:10.1364/ao.383831 Complex refractive indices measurements of polymers in visible and near-infrared bands, Applied Optics (2020)
doi:10.1016/j.jqsrt.2020.107063 Complex refractive indices measurements of polymers in infrared bands, Journal of Quantitative Spectroscopy and Radiative Transfer (2020)

Cite

Xiaoning Zhang, Jun Qiu, Xingcan Li, Junming Zhao and Linhua Liu. Complex refractive indices measurements of polymers in visible and near-infrared bands. Applied Optics, 59, 2337 (2020), doi:10.1364/ao.383831; Xiaoning Zhang, Jun Qiu, Junming Zhao, Xingcan Li and Linhua Liu. Complex refractive indices measurements of polymers in infrared bands. Journal of Quantitative Spectroscopy and Radiative Transfer, 252, 107063 (2020), doi:10.1016/j.jqsrt.2020.107063; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

617 rows as published

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

(C8H8)n (Polystyrene, PS), Zhang et al. 2020: n,k 0.4–20 µm: n and k versus wavelength
λ (µm)	n	k
0.4	1.62552	8.13e-07
0.41	1.62163	7.28e-07
0.42	1.61834	6.82e-07
0.43	1.61546	6.7e-07
0.44	1.61279	6.5e-07
0.45	1.61037	6.33e-07
0.46	1.60797	6.12e-07
0.47	1.60594	6.02e-07
0.48	1.60372	6.09e-07
0.49	1.60201	6.25e-07
0.5	1.60021	6.11e-07
0.51	1.59862	6.12e-07
0.52	1.59721	5.72e-07
0.53	1.59587	5.62e-07
0.54	1.59443	5.7e-07
0.55	1.59338	5.78e-07
0.56	1.59217	6.07e-07
0.57	1.59084	5.86e-07
0.58	1.58996	5.95e-07
0.59	1.58898	5.83e-07
0.6	1.5882	6.36e-07
0.61	1.58734	6.31e-07
0.62	1.58653	5.93e-07
0.63	1.58554	6.14e-07
0.64	1.58493	6.27e-07
0.65	1.58426	5.83e-07
0.66	1.58359	5.86e-07
0.67	1.583	5.73e-07
0.68	1.58237	5.64e-07
0.69	1.5818	5.82e-07
0.7	1.58128	5.64e-07
0.71	1.58061	6.02e-07
0.72	1.58022	5.55e-07
0.73	1.57972	5.76e-07
0.74	1.57926	5.67e-07
0.75	1.57889	5.51e-07
0.76	1.57821	5.98e-07
0.77	1.5777	6.08e-07
0.78	1.57746	5.46e-07
0.79	1.57703	5.45e-07
0.8	1.57674	5.54e-07
0.81	1.57637	5.55e-07
0.82	1.57618	4.48e-07
0.83	1.5758	4.21e-07
0.84	1.57563	5.34e-07
0.85	1.57539	5.11e-07
0.86	1.57513	5.29e-07
0.87	1.57489	1.22e-06
0.88	1.57451	9.11e-07
0.89	1.57437	8.2e-07
0.9	1.57409	5.35e-07
0.91	1.57387	4.93e-07
0.92	1.57362	3.93e-07
0.93	1.57343	2.85e-07
0.94	1.57315	8.16e-07
0.95	1.57292	4e-07
0.96	1.57285	4.71e-07
0.97	1.57256	2.04e-07
0.98	1.57231	2.34e-07
0.99	1.57216	4.34e-07
1.0	1.57211	3.49e-07
1.01	1.57197	7.34e-07
1.02	1.57197	7.39e-07
1.03	1.56996	1.01e-06
1.04	1.57013	9.61e-07
1.05	1.5699	9.82e-07
1.06	1.56958	9.36e-07
1.07	1.56904	9.04e-07
1.08	1.56938	8.95e-07
1.09	1.56916	1.25e-06
1.1	1.56904	1.1e-06
1.11	1.56911	1.35e-06
1.12	1.56854	1.88e-06
1.13	1.5687	4.12e-06
1.14	1.56779	1.13e-05
1.15	1.56805	1.14e-05
1.16	1.56801	4.52e-06
1.17	1.56851	2.96e-06
1.18	1.56822	2.45e-06
1.19	1.56803	3.44e-06
1.2	1.56767	4.6e-06
1.21	1.56757	5.24e-06
1.22	1.56707	4.03e-06
1.23	1.56707	2.79e-06
1.24	1.56665	2.06e-06
1.25	1.56688	1.68e-06
1.26	1.56667	1.66e-06
1.27	1.56692	1.88e-06
1.28	1.56712	1.27e-06
1.29	1.56643	1.27e-06
1.3	1.56571	1.51e-06
1.31	1.56643	1.43e-06
1.32	1.566	1.57e-06
1.33	1.56583	1.74e-06
1.34	1.56593	2.03e-06
1.35	1.56618	2.28e-06
1.36	1.56572	2.05e-06
1.37	1.56639	3.55e-06
1.38	1.56551	4e-06
1.39	1.56555	4.78e-06
1.4	1.56579	5.05e-06
1.41	1.56531	5.76e-06
1.42	1.56534	6.12e-06
1.43	1.56508	5.24e-06
1.44	1.5651	5.08e-06
1.45	1.56522	4.49e-06
1.46	1.56532	4.01e-06
1.47	1.56522	4e-06
1.48	1.5651	4.65e-06
1.49	1.56533	3.23e-06
1.5	1.56463	3.06e-06
1.51	1.56471	2.82e-06
1.52	1.56419	2.64e-06
1.53	1.56448	2.45e-06
1.54	1.56478	2.25e-06
1.55	1.56484	1.89e-06
1.56	1.56451	1.96e-06
1.57	1.56462	2.13e-06
1.58	1.56449	2.41e-06
1.59	1.56403	2.84e-06
1.6	1.56384	3.32e-06
1.61	1.56384	4.46e-06
1.62	1.56447	8.11e-06
1.63	1.56402	1.92e-05
1.64	1.56432	2.68e-05
1.65	1.56402	2.42e-05
1.66	1.56391	3.87e-05
1.67	1.56342	0.000105
1.68	1.56376	0.00016
1.69	1.5636	0.000137
1.7	1.56341	8.46e-05
1.71	1.56341	5.42e-05
1.72	1.56363	4.8e-05
1.73	1.5639	4.4e-05
1.74	1.56383	2.73e-05
1.75	1.56336	3.34e-05
1.76	1.56349	4.17e-05
1.77	1.56337	3.62e-05
1.78	1.56328	2.72e-05
1.79	1.56336	3.06e-05
1.8	1.56314	2.91e-05
1.81	1.56316	2.97e-05
1.82	1.56293	2.72e-05
1.83	1.56309	2.44e-05
1.84	1.56296	2.48e-05
1.85	1.56285	2.56e-05
1.86	1.56279	2.68e-05
1.87	1.5632	2.46e-05
1.88	1.56337	2.18e-05
1.89	1.56296	2.14e-05
1.9	1.56302	2.11e-05
1.91	1.5631	2.14e-05
1.92	1.5627	1.97e-05
1.93	1.56293	1.89e-05
1.94	1.56262	1.85e-05
1.95	1.56275	1.92e-05
1.96	1.56273	1.84e-05
1.97	1.56303	1.79e-05
1.98	1.56332	1.79e-05
1.99	1.56277	1.75e-05
2.0	1.56256	1.76e-05
2.0097	1.58013	2.14e-05
2.019	1.57816	2.45e-05
2.0285	1.57629	3.1e-05
2.0381	1.57637	3.69e-05
2.0478	1.57668	3.77e-05
2.0575	1.57491	3.91e-05
2.0673	1.57307	4.05e-05
2.0773	1.57276	4.13e-05
2.0873	1.57268	4.29e-05
2.0975	1.5696	4.6e-05
2.1077	1.56498	5.05e-05
2.118	1.56087	5.84e-05
2.1285	1.5594	7.44e-05
2.139	1.56039	0.0001
2.1496	1.56007	0.00339
2.1568	1.55891	0.00389
2.1676	1.5585	0.00388
2.1785	1.55899	0.00359
2.1896	1.55948	0.0043
2.197	1.55989	0.00475
2.2082	1.55992	9.79e-05
2.2196	1.55973	9.05e-05
2.2272	1.55961	8.51e-05
2.2387	1.55943	7.97e-05
2.2465	1.55951	8.03e-05
2.2582	1.55937	8.63e-05
2.2661	1.55898	9.32e-05
2.2781	1.55863	0.00339
2.2861	1.55819	0.00373
2.2983	1.5577	0.0041
2.3065	1.55805	0.00387
2.3188	1.55974	0.00362
2.3272	1.55972	0.00353
2.3398	1.5589	0.00376
2.3482	1.55899	0.00395
2.3568	1.55953	0.00427
2.3697	1.55926	0.00437
2.3784	1.5591	0.0037
2.3872	1.55927	0.00362
2.396	1.55926	0.00373
2.4093	1.56026	0.0036
2.4183	1.56061	0.00366
2.4274	1.55998	0.00384
2.4365	1.55879	0.00374
2.4457	1.55783	0.00313
2.4596	1.55785	0.00289
2.469	1.5584	0.0037
2.4784	1.55913	0.00451
2.488	1.55901	0.00433
2.4975	1.55826	0.00347
2.5072	1.55814	0.00321
2.5169	1.55819	0.00296
2.5268	1.55786	0.00269
2.5366	1.55789	0.00315
2.5466	1.55834	0.00364
2.5567	1.55903	0.00406
2.5668	1.55995	0.00418
2.577	1.56012	0.00391
2.5873	1.55993	0.00348
2.5976	1.55931	0.00293
2.6081	1.55863	0.00305
2.6186	1.55816	0.00337
2.6293	1.55779	0.00395
2.64	1.55723	0.00426
2.6454	1.55694	0.00394
2.6562	1.55653	0.00308
2.6671	1.55665	0.00339
2.6782	1.55659	0.00367
2.6893	1.55643	0.00307
2.6949	1.55634	0.00273
2.7061	1.55665	0.00303
2.7175	1.55711	0.00419
2.7289	1.55817	0.00407
2.7347	1.55843	0.00354
2.7462	1.55782	0.00282
2.7579	1.55683	0.00255
2.7697	1.557	0.00234
2.7756	1.5573	0.00256
2.7876	1.55717	0.00309
2.7996	1.55649	0.00324
2.8057	1.55653	0.00327
2.8179	1.55696	0.00356
2.824	1.55672	0.00362
2.8364	1.55635	0.00354
2.8489	1.55664	0.00361
2.8551	1.55686	0.00348
2.8678	1.55703	0.00325
2.8741	1.55694	0.00332
2.8869	1.55628	0.00339
2.8998	1.55591	0.00368
2.9063	1.55585	0.00376
2.9194	1.55621	0.000136
2.926	1.55646	0.000129
2.9393	1.55658	0.000123
2.946	1.55647	0.000121
2.9594	1.55598	0.000115
2.9662	1.55596	0.000112
2.9798	1.55631	0.000108
2.9867	1.55639	0.00011
2.9936	1.55639	0.000113
3.0075	1.55579	0.000118
3.0145	1.55535	0.00012
3.0286	1.5551	0.000125
3.0357	1.55549	0.000129
3.0499	1.55524	0.00222
3.0571	1.55478	0.00186
3.0644	1.55469	0.00186
3.0789	1.55481	0.00249
3.0863	1.55475	0.00259
3.0936	1.55461	0.00256
3.1085	1.55413	0.00257
3.1159	1.55343	0.00269
3.1234	1.55254	0.00297
3.1386	1.55237	0.00289
3.1462	1.55284	0.00256
3.1538	1.55295	0.00236
3.1693	1.5518	0.00276
3.177	1.55058	0.00297
3.1848	1.54952	0.00311
3.1927	1.5487	0.00314
3.2085	1.54737	0.00333
3.2164	1.54672	0.00425
3.2244	1.5461	0.00586
3.2325	1.54574	0.00803
3.2487	1.54667	0.0119
3.2569	1.54742	0.0133
3.2651	1.54859	0.0143
3.2733	1.54943	0.014
3.2899	1.54754	0.0165
3.2983	1.55034	0.0211
3.3067	1.5572	0.0222
3.3152	1.56264	0.0175
3.3237	1.56325	0.0114
3.3322	1.56116	0.0079
3.3494	1.55613	0.00582
3.3581	1.55359	0.00623
3.3668	1.55094	0.00725
3.3756	1.54799	0.00848
3.3844	1.54482	0.0108
3.3933	1.54232	0.0159
3.4022	1.54242	0.0237
3.4111	1.54738	0.0317
3.4292	1.5679	0.0333
3.4383	1.57444	0.0269
3.4474	1.57594	0.0199
3.4566	1.5745	0.0144
3.4658	1.57221	0.0112
3.4751	1.56992	0.00974
3.4845	1.56755	0.00993
3.4939	1.56622	0.0114
3.5033	1.56748	0.0126
3.5128	1.57044	0.0115
3.5224	1.57216	0.00827
3.532	1.57146	0.00545
3.5416	1.56961	0.00404
3.5513	1.56806	0.00348
3.5611	1.56727	0.00322
3.5709	1.56652	0.00321
3.5807	1.56547	0.00338
3.5907	1.56457	0.00327
3.6006	1.56415	0.00297
3.6107	1.56381	0.00284
3.6207	1.56328	0.0026
3.6309	1.5628	0.00229
3.6411	1.56239	0.0023
3.6513	1.56192	0.00264
3.6617	1.56144	0.00294
3.672	1.56127	0.00306
3.6825	1.56138	0.00303
3.693	1.56128	0.00292
3.7035	1.56089	0.0029
3.7141	1.56071	0.00295
3.7248	1.56086	0.00313
3.7355	1.56092	0.00338
3.7463	1.56068	0.00351
3.7572	1.5605	0.00328
3.7681	1.56048	0.00305
3.7791	1.56028	0.00311
3.7901	1.56018	0.00314
3.8013	1.56034	0.00303
3.8124	1.56015	0.0029
3.8237	1.55957	0.00302
3.835	1.55941	0.00317
3.8464	1.5597	0.00319
3.8578	1.55988	0.00322
3.8693	1.55972	0.00326
3.8809	1.55938	0.00331
3.8926	1.55896	0.00326
3.9043	1.55875	0.003
3.9161	1.55887	0.00266
3.928	1.55887	0.00256
3.9399	1.55866	0.00273
3.9519	1.55855	0.00297
3.964	1.55858	0.00297
3.9762	1.55843	0.00291
3.9884	1.55839	0.00309
4.0007	1.55857	0.00329
4.0131	1.55861	0.00326
4.0255	1.5584	0.00304
4.0381	1.55822	0.00283
4.0507	1.55804	0.00276
4.0634	1.55792	0.00284
4.0762	1.55779	0.00283
4.089	1.55757	0.00286
4.102	1.55727	0.00292
4.115	1.55716	0.00296
4.1281	1.55718	0.00302
4.1413	1.55739	0.00289
4.1546	1.55747	0.0026
4.1679	1.55724	0.00258
4.1814	1.55699	0.00288
4.1949	1.55713	0.00323
4.2085	1.55751	0.0035
4.2222	1.55757	0.00366
4.236	1.55669	0.00383
4.2499	1.55643	0.00379
4.2639	1.55646	0.00367
4.278	1.5563	0.00379
4.2921	1.55709	0.00382
4.3064	1.55771	0.00362
4.3208	1.55718	0.0033
4.3352	1.55666	0.00297
4.3498	1.55664	0.00288
4.3644	1.55657	0.00293
4.3791	1.55643	0.00298
4.394	1.55627	0.00302
4.4089	1.55631	0.00304
4.424	1.55644	0.00285
4.4391	1.55643	0.00259
4.4544	1.55641	0.0025
4.4697	1.55634	0.00275
4.4852	1.55621	0.00299
4.5008	1.55614	0.00307
4.5165	1.55585	0.0032
4.5323	1.55561	0.00328
4.5482	1.5557	0.00318
4.5642	1.55575	0.00312
4.5803	1.55531	0.00305
4.5965	1.55514	0.00297
4.6129	1.55533	0.00293
4.6294	1.55535	0.00289
4.646	1.55495	0.00284
4.6627	1.55465	0.00263
4.6795	1.55464	0.00246
4.6965	1.55475	0.0027
4.7136	1.5547	0.00305
4.7308	1.55428	0.00321
4.7481	1.55408	0.0031
4.7655	1.55416	0.0028
4.7831	1.55415	0.0027
4.8008	1.55417	0.0028
4.8187	1.5542	0.00298
4.8367	1.55417	0.0031
4.8548	1.5541	0.00306
4.873	1.55375	0.00306
4.8914	1.5533	0.00304
4.91	1.55332	0.00286
4.9286	1.55334	0.00292
4.9474	1.5531	0.00323
4.9664	1.55286	0.00325
4.9855	1.55265	0.00303
5.0047	1.55226	0.00302
5.0241	1.55203	0.00324
5.0437	1.55185	0.00341
5.0634	1.55126	0.00355
5.0832	1.55079	0.00437
5.1033	1.55096	0.00521
5.1234	1.55143	0.00574
5.1438	1.55238	0.00626
5.1643	1.55309	0.00586
5.1849	1.55309	0.00494
5.2057	1.55291	0.00416
5.2267	1.55242	0.00344
5.2479	1.55154	0.00329
5.2692	1.55087	0.00377
5.2907	1.55092	0.00443
5.3124	1.55125	0.00512
5.3343	1.55189	0.00573
5.3563	1.55271	0.00566
5.3785	1.55289	0.00466
5.4009	1.55242	0.00374
5.4235	1.55176	0.00341
5.4463	1.55092	0.00365
5.4693	1.54993	0.00402
5.4925	1.54945	0.00434
5.5159	1.55002	0.00509
5.5394	1.55082	0.00596
5.5632	1.55129	0.00564
5.5872	1.55144	0.00451
5.6114	1.55129	0.00369
5.6358	1.55042	0.00356
5.6604	1.54767	0.00541
5.6852	1.54548	0.0098
5.7103	1.5469	0.0136
5.7355	1.55012	0.0146
5.761	1.55263	0.0127
5.7867	1.55358	0.00984
5.8127	1.55303	0.00833
5.8389	1.55243	0.0072
5.8653	1.55166	0.00626
5.8919	1.55034	0.00598
5.9188	1.5498	0.00572
5.946	1.54978	0.00546
5.9734	1.54902	0.00558
6.0011	1.54853	0.00543
6.029	1.5488	0.00487
6.0571	1.5483	0.00458
6.0856	1.5472	0.00469
6.1143	1.54587	0.00457
6.1433	1.5446	0.00441
6.1725	1.54228	0.00479
6.202	1.53801	0.0098
6.2319	1.54106	0.0185
6.262	1.551	0.0187
6.2924	1.55443	0.0124
6.3231	1.55355	0.00944
6.3541	1.55229	0.00664
6.3854	1.54999	0.00461
6.417	1.54766	0.00457
6.4489	1.54569	0.00546
6.4811	1.54468	0.00575
6.5137	1.5438	0.00491
6.5466	1.542	0.00442
6.5798	1.53885	0.0047
6.6134	1.53305	0.00469
6.6473	1.52191	0.0152
6.6816	1.53047	0.0385
6.7162	1.55656	0.0371
6.7512	1.56128	0.0167
6.7865	1.54797	0.00757
6.8223	1.53477	0.0121
6.8583	1.53216	0.0345
6.8948	1.55525	0.0496
6.9317	1.57473	0.0336
6.969	1.57327	0.0153
7.0066	1.56564	0.00867
7.0447	1.56021	0.00645
7.0832	1.55686	0.00555
7.1221	1.55434	0.00547
7.1615	1.55165	0.00664
7.2013	1.54919	0.00969
7.2415	1.54836	0.0139
7.2822	1.54989	0.0169
7.3233	1.55292	0.0169
7.3649	1.5543	0.0145
7.407	1.55372	0.0124
7.4496	1.55275	0.011
7.4926	1.55139	0.0103
7.5362	1.55114	0.0101
7.5803	1.55236	0.0103
7.6249	1.55343	0.0105
7.67	1.55343	0.0105
7.7156	1.55233	0.0103
7.7618	1.55192	0.0104
7.8086	1.55172	0.00992
7.8559	1.54956	0.00962
7.9038	1.54608	0.0121
7.9523	1.54331	0.0172
8.0014	1.542	0.0236
8.0511	1.54343	0.0289
8.1014	1.54802	0.0314
8.1524	1.55321	0.0298
8.204	1.55586	0.0257
8.2562	1.5564	0.0209
8.3091	1.55559	0.0171
8.3628	1.55301	0.0149
8.4171	1.55099	0.0144
8.4721	1.55104	0.0145
8.5278	1.5515	0.0138
8.5843	1.54998	0.0145
8.6415	1.5499	0.0155
8.6995	1.55147	0.0135
8.7583	1.55161	0.0106
8.8179	1.55022	0.01
8.8783	1.54766	0.0107
8.9395	1.54586	0.0115
9.0016	1.54482	0.0122
9.0645	1.5419	0.0128
9.1284	1.53896	0.0148
9.1931	1.53765	0.019
9.2588	1.53795	0.025
9.3254	1.54121	0.0306
9.393	1.54636	0.0318
9.4615	1.55001	0.0311
9.5311	1.55209	0.0306
9.6017	1.55102	0.0311
9.6733	1.55269	0.0354
9.7461	1.56222	0.0354
9.8199	1.56781	0.0262
9.8949	1.56524	0.0193
9.971	1.56224	0.0166
10.048	1.55968	0.0141
10.127	1.55747	0.0132
10.207	1.55574	0.0137
10.288	1.55526	0.0147
10.37	1.55465	0.0144
10.453	1.55306	0.0123
10.538	1.55192	0.0115
10.625	1.55098	0.0121
10.713	1.54956	0.0119
10.802	1.54717	0.0127
10.893	1.54469	0.0162
10.985	1.54702	0.0204
11.079	1.55262	0.0196
11.174	1.5539	0.0133
11.272	1.55142	0.00886
11.37	1.54911	0.00835
11.471	1.5451	0.00818
11.573	1.54091	0.00804
11.678	1.53725	0.00907
11.784	1.53594	0.0113
11.892	1.5369	0.0116
12.002	1.53612	0.00975
12.114	1.53241	0.00856
12.229	1.52903	0.00748
12.345	1.52404	0.00654
12.464	1.51713	0.00822
12.585	1.50745	0.0104
12.708	1.49456	0.0147
12.834	1.48175	0.0289
12.962	1.47675	0.0572
13.093	1.49226	0.0891
13.227	1.52708	0.105
13.363	1.56176	0.0907
13.502	1.57437	0.0566
13.645	1.5576	0.0282
13.79	1.52389	0.0177
13.938	1.4675	0.0217
14.089	1.40602	0.132
14.244	1.51292	0.322
14.403	1.72776	0.29
14.564	1.75952	0.0905
14.73	1.67295	0.0167
14.899	1.64037	0.0173
15.072	1.62211	0.0128
15.25	1.61111	0.0118
15.431	1.60119	0.0106
15.617	1.59346	0.0113
15.808	1.58726	0.0122
16.003	1.58261	0.0142
16.203	1.58041	0.0154
16.408	1.57934	0.0167
16.618	1.57655	0.0186
16.834	1.57118	0.0189
17.056	1.56573	0.0182
17.283	1.56074	0.0227
17.517	1.55877	0.0308
17.757	1.55947	0.0377
18.003	1.56334	0.0445
18.257	1.57361	0.057
18.518	1.59413	0.0637
18.786	1.61088	0.0486
19.062	1.61181	0.0273
19.347	1.60843	0.0187
19.64	1.60549	0.0193
19.942	1.59856	0.0165

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: —

(C₈H₈)_n (Polystyrene, PS): all datasets

About (C8H8)n (Polystyrene, PS)

Styrene (C₈H₈) is a colorless to yellowish organic compound that exists as a liquid with a distinctive sweet smell, though its odor can be sharp and unpleasant in higher concentrations. It is an essential monomer used in the production of polystyrene, a versatile plastic. Styrene polymerizes readily; this property has led to its widespread use in producing a variety of polymer materials. Styrene can be found in various consumer products, such as food containers and packaging materials. In addition to its role in plastics, styrene's refractive properties are of interest in the optical domain. Prolonged exposure to its vapors should be avoided as it is considered a potential human carcinogen and can affect the central nervous system. Chemical formula: C₆H₅CH=CH₂

More about (C8H8)n (Polystyrene, PS) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/organic/(C8H8)n - polystyrene/nk/Zhang.yml
ID: ds_52738df095c2
API: /v1/datasets/ds_52738df095c2

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