Optical constants

Refractive index of (C₁₆H₁₄O₃)_n (Polycarbonate, PC)

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: 1.59023
Extinction coefficient k: 4.80240e-07

Permittivity ε₁: 2.52882
Permittivity ε₂: 1.52738e-06

Absorption coefficient α: 0.102704 cm⁻¹
Penetration depth δ = λ/(2πk): 1.94735e+08 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.078 µm⁻¹

Group index n_g: 1.63606
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

# (C16H14O3)n (Polycarbonate, PC): Zhang et al. 2020: n,k 0.4–20 µm
polycarbonate = ls.fetch_refractiveindex("organic", "polycarbonate", "Zhang", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(polycarbonate.range_nm)  # (400, 19942) nm
eps = polycarbonate.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_f75aa1f8c322/lightsmith"
polycarbonate = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(polycarbonate.source)  # citation and provenance travel with the data

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

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

(C16H14O3)n (Polycarbonate, PC), Zhang et al. 2020: n,k 0.4–20 µm: n and k versus wavelength
λ (µm)	n	k
0.4	1.63389	1.12e-05
0.41	1.6284	2.28e-06
0.42	1.6232	6.31e-07
0.43	1.62005	3.55e-07
0.44	1.61707	2.88e-07
0.45	1.61465	2.63e-07
0.46	1.61201	2.43e-07
0.47	1.60943	2.39e-07
0.48	1.60687	2.49e-07
0.49	1.60478	2.64e-07
0.5	1.60251	2.95e-07
0.51	1.60077	2.97e-07
0.52	1.59934	3.16e-07
0.53	1.59764	3.39e-07
0.54	1.59623	3.85e-07
0.55	1.59509	4.08e-07
0.56	1.59344	4.27e-07
0.57	1.59261	4.45e-07
0.58	1.59082	4.81e-07
0.59	1.59004	4.8e-07
0.6	1.58873	4.8e-07
0.61	1.58829	4.37e-07
0.62	1.58727	3.95e-07
0.63	1.58643	3.48e-07
0.64	1.58577	3.03e-07
0.65	1.58465	2.36e-07
0.66	1.5843	1.76e-07
0.67	1.58373	1.26e-07
0.68	1.58261	9.54e-08
0.69	1.58213	7.08e-08
0.7	1.5821	5.22e-08
0.71	1.58141	6.91e-08
0.72	1.58121	3.53e-08
0.73	1.5807	2.76e-08
0.74	1.57989	4.45e-08
0.75	1.57935	3.44e-08
0.76	1.57908	3.53e-08
0.77	1.57824	1.2e-08
0.78	1.57701	5.95e-09
0.79	1.57772	1.97e-09
0.8	1.57645	6.27e-09
0.81	1.57623	1.17e-08
0.82	1.57659	6.81e-08
0.83	1.57667	2.71e-07
0.84	1.57567	2.73e-08
0.85	1.57589	1.06e-07
0.86	1.57555	1.35e-07
0.87	1.57515	3.83e-07
0.88	1.57494	4.08e-07
0.89	1.57455	4.16e-07
0.9	1.57426	4.58e-07
0.91	1.57389	5.42e-07
0.92	1.57364	5.37e-07
0.93	1.57344	3.94e-07
0.94	1.57314	4.59e-07
0.95	1.5729	4.84e-07
0.96	1.57268	4.63e-07
0.97	1.57244	5.09e-07
0.98	1.57214	5.03e-07
0.99	1.57191	4.39e-07
1.0	1.57178	4.66e-07
1.01	1.57161	5.75e-07
1.02	1.57148	2.95e-07
1.03	1.56957	3.41e-07
1.04	1.56916	3.52e-07
1.05	1.56937	4.08e-07
1.06	1.56886	3.18e-07
1.07	1.56861	3.71e-07
1.08	1.56899	3.26e-07
1.09	1.5687	4.19e-07
1.1	1.56865	5.78e-07
1.11	1.5683	1.09e-06
1.12	1.56795	2.25e-06
1.13	1.56744	5.67e-06
1.14	1.56749	6.18e-06
1.15	1.56721	3.62e-06
1.16	1.56693	2.37e-06
1.17	1.56699	2.88e-06
1.18	1.56718	3.9e-06
1.19	1.5669	5.08e-06
1.2	1.56685	1.79e-06
1.21	1.56657	1.08e-06
1.22	1.56695	8.53e-07
1.23	1.5662	6.91e-07
1.24	1.56629	6.39e-07
1.25	1.56627	5.78e-07
1.26	1.5663	4.47e-07
1.27	1.56655	4.41e-07
1.28	1.56617	5.21e-07
1.29	1.56578	6.74e-07
1.3	1.56585	6.77e-07
1.31	1.56526	9.02e-07
1.32	1.56493	1.09e-06
1.33	1.56492	1.26e-06
1.34	1.56505	1.56e-06
1.35	1.56392	2.61e-06
1.36	1.56431	4.39e-06
1.37	1.5649	5.02e-06
1.38	1.56461	6.25e-06
1.39	1.56421	6.31e-06
1.4	1.56445	6.3e-06
1.41	1.56412	6.36e-06
1.42	1.56444	4.92e-06
1.43	1.56402	5.01e-06
1.44	1.56424	4.34e-06
1.45	1.56437	4.1e-06
1.46	1.5639	3.99e-06
1.47	1.56424	3.81e-06
1.48	1.56429	1.77e-06
1.49	1.56369	2.98e-06
1.5	1.56382	2.35e-06
1.51	1.56323	2e-06
1.52	1.56322	1.81e-06
1.53	1.56359	1.62e-06
1.54	1.56327	1.64e-06
1.55	1.5633	1.75e-06
1.56	1.56296	1.77e-06
1.57	1.56293	1.88e-06
1.58	1.56268	2.34e-06
1.59	1.56185	2.89e-06
1.6	1.56301	4.09e-06
1.61	1.56208	5.99e-06
1.62	1.56231	1.1e-05
1.63	1.56294	1.56e-05
1.64	1.56223	2.53e-05
1.65	1.56066	4.53e-05
1.66	1.5612	8.08e-05
1.67	1.56056	0.000115
1.68	1.56189	6.85e-05
1.69	1.56204	7.27e-05
1.7	1.56157	5.86e-05
1.71	1.56224	3.32e-05
1.72	1.56075	3.15e-05
1.73	1.56173	3.53e-05
1.74	1.56045	3.29e-05
1.75	1.56077	1.96e-05
1.76	1.56156	2e-05
1.77	1.56322	2.18e-05
1.78	1.56103	1.44e-05
1.79	1.56213	1.37e-05
1.8	1.56223	1.46e-05
1.81	1.56313	1.49e-05
1.82	1.56115	1.54e-05
1.83	1.55994	1.66e-05
1.84	1.5604	1.47e-05
1.85	1.55955	1.5e-05
1.86	1.5621	1.44e-05
1.87	1.5608	1.57e-05
1.88	1.56066	1.6e-05
1.89	1.56037	2.11e-05
1.9	1.56051	3.58e-05
1.91	1.56051	2.26e-05
1.92	1.55903	1.57e-05
1.93	1.56167	1.55e-05
1.94	1.55875	1.49e-05
1.95	1.56094	1.35e-05
1.96	1.56057	1.33e-05
1.97	1.5603	1.39e-05
1.98	1.56013	1.36e-05
1.99	1.55991	1.41e-05
2.0	1.56142	1.53e-05
2.0097	1.63942	1.85e-05
2.019	1.634	1.97e-05
2.0285	1.62347	2.17e-05
2.0381	1.60788	2.51e-05
2.0478	1.59376	2.89e-05
2.0575	1.58445	3.22e-05
2.0673	1.58142	3.39e-05
2.0773	1.58183	3.39e-05
2.0873	1.57798	3.54e-05
2.0975	1.57021	4.15e-05
2.1077	1.56257	5.46e-05
2.118	1.55683	7.91e-05
2.1285	1.55442	0.000117
2.139	1.55375	0.000152
2.1496	1.55357	0.000157
2.1568	1.55437	0.000142
2.1676	1.55548	0.000115
2.1785	1.55507	0.000102
2.1896	1.55515	9.07e-05
2.197	1.55618	8.06e-05
2.2082	1.55687	7.28e-05
2.2196	1.5552	7.74e-05
2.2272	1.55435	8.61e-05
2.2387	1.55446	0.000103
2.2465	1.55444	0.000116
2.2582	1.5543	0.000146
2.2661	1.55482	0.00279
2.2781	1.55451	0.0035
2.2861	1.55409	0.00323
2.2983	1.55394	0.00284
2.3065	1.55423	0.00216
2.3188	1.55392	0.00137
2.3272	1.55379	0.00151
2.3398	1.55415	0.00166
2.3482	1.55368	0.00186
2.3568	1.55274	0.00229
2.3697	1.5524	0.00253
2.3784	1.55318	0.00239
2.3872	1.55375	0.00234
2.396	1.55352	0.00224
2.4093	1.55327	0.00129
2.4183	1.55331	0.000838
2.4274	1.55298	0.00126
2.4365	1.55267	0.00161
2.4457	1.55276	0.00184
2.4596	1.55304	0.00201
2.469	1.55272	0.00191
2.4784	1.5524	0.00165
2.488	1.55236	0.00136
2.4975	1.55266	0.00162
2.5072	1.55295	0.00175
2.5169	1.55254	0.00176
2.5268	1.55184	0.00184
2.5366	1.55222	0.00171
2.5466	1.55279	0.00169
2.5567	1.55271	0.00189
2.5668	1.55229	0.00193
2.577	1.5517	0.00233
2.5873	1.55114	0.0024
2.5976	1.55052	0.000167
2.6081	1.55089	0.000157
2.6186	1.55193	0.000153
2.6293	1.55241	0.000147
2.64	1.5525	0.000138
2.6454	1.55261	0.000137
2.6562	1.55272	0.000143
2.6671	1.55193	0.000159
2.6782	1.55097	0.000168
2.6893	1.55141	0.000175
2.6949	1.55163	0.00239
2.7061	1.5521	0.00238
2.7175	1.5521	0.00234
2.7289	1.5516	0.00182
2.7347	1.5517	0.00143
2.7462	1.55212	0.00114
2.7579	1.55168	0.00161
2.7697	1.55098	0.00136
2.7756	1.55073	0.00131
2.7876	1.55133	0.00191
2.7996	1.55174	0.0019
2.8057	1.55133	0.00148
2.8179	1.5497	0.000807
2.824	1.54882	0.00115
2.8364	1.54867	0.00196
2.8489	1.5499	0.00233
2.8551	1.55023	0.00234
2.8678	1.54956	0.00155
2.8741	1.54906	0.00121
2.8869	1.54908	0.00149
2.8998	1.54905	0.00184
2.9063	1.5489	0.00189
2.9194	1.55003	0.00184
2.926	1.55085	0.00174
2.9393	1.55037	0.00187
2.946	1.54949	0.00183
2.9594	1.54861	0.00198
2.9662	1.54899	0.00193
2.9798	1.55	0.00209
2.9867	1.54994	0.00252
2.9936	1.54954	0.00278
3.0075	1.54825	0.00226
3.0145	1.54754	0.00171
3.0286	1.54722	0.0012
3.0357	1.54754	0.00133
3.0499	1.5478	0.00147
3.0571	1.54764	0.00134
3.0644	1.54732	0.00137
3.0789	1.54695	0.00179
3.0863	1.54665	0.00188
3.0936	1.54619	0.00186
3.1085	1.54623	0.00191
3.1159	1.54659	0.00202
3.1234	1.54676	0.00213
3.1386	1.54625	0.00227
3.1462	1.5459	0.00235
3.1538	1.54548	0.00244
3.1693	1.5446	0.0023
3.177	1.5444	0.00211
3.1848	1.5442	0.00212
3.1927	1.54402	0.00233
3.2085	1.5437	0.00319
3.2164	1.54332	0.00375
3.2244	1.5429	0.00406
3.2325	1.54244	0.00421
3.2487	1.54192	0.00515
3.2569	1.54187	0.0058
3.2651	1.54211	0.00634
3.2733	1.54279	0.00667
3.2899	1.54436	0.00646
3.2983	1.54439	0.00572
3.3067	1.54335	0.00489
3.3152	1.54137	0.00455
3.3237	1.53881	0.00521
3.3322	1.53594	0.00729
3.3494	1.53373	0.0169
3.3581	1.53779	0.0226
3.3668	1.54555	0.0251
3.3756	1.55297	0.0226
3.3844	1.55601	0.0174
3.3933	1.55542	0.0138
3.4022	1.55456	0.0126
3.4111	1.55466	0.0117
3.4292	1.55535	0.00867
3.4383	1.55481	0.00757
3.4474	1.55365	0.00684
3.4566	1.55253	0.00677
3.4658	1.55223	0.00728
3.4751	1.55298	0.0077
3.4845	1.55429	0.00706
3.4939	1.55501	0.00547
3.5033	1.55454	0.00407
3.5128	1.55337	0.00316
3.5224	1.55241	0.00234
3.532	1.55166	0.00172
3.5416	1.55112	0.00158
3.5513	1.55078	0.00183
3.5611	1.55037	0.00189
3.5709	1.54996	0.00167
3.5807	1.54964	0.0015
3.5907	1.54919	0.00155
3.6006	1.54874	0.00174
3.6107	1.54859	0.00192
3.6207	1.54847	0.00196
3.6309	1.54824	0.00196
3.6411	1.54809	0.00186
3.6513	1.54784	0.00154
3.6617	1.54755	0.00147
3.672	1.54753	0.00172
3.6825	1.54739	0.00176
3.693	1.54679	0.00153
3.7035	1.5462	0.00154
3.7141	1.54601	0.00171
3.7248	1.54602	0.00185
3.7355	1.5461	0.00171
3.7463	1.546	0.00141
3.7572	1.54576	0.00133
3.7681	1.54544	0.00163
3.7791	1.54517	0.00188
3.7901	1.5451	0.00181
3.8013	1.54491	0.00179
3.8124	1.54469	0.0018
3.8237	1.54449	0.00164
3.835	1.54437	0.00148
3.8464	1.54427	0.0016
3.8578	1.54402	0.00178
3.8693	1.54351	0.00171
3.8809	1.54313	0.00144
3.8926	1.54313	0.00134
3.9043	1.54333	0.0016
3.9161	1.54344	0.00185
3.928	1.54334	0.00169
3.9399	1.54303	0.00146
3.9519	1.54274	0.00143
3.964	1.54253	0.00158
3.9762	1.54215	0.00177
3.9884	1.54146	0.00176
4.0007	1.5409	0.00142
4.0131	1.5409	0.00125
4.0255	1.54113	0.00142
4.0381	1.54105	0.0018
4.0507	1.54081	0.00221
4.0634	1.54075	0.00237
4.0762	1.54073	0.00229
4.089	1.54042	0.00224
4.102	1.53993	0.00233
4.115	1.53976	0.00258
4.1281	1.5399	0.00274
4.1413	1.54004	0.00265
4.1546	1.54002	0.0024
4.1679	1.5398	0.00218
4.1814	1.53945	0.00195
4.1949	1.53926	0.0018
4.2085	1.53925	0.00174
4.2222	1.53812	0.00179
4.236	1.53604	0.00296
4.2499	1.53611	0.00261
4.2639	1.53632	0.00264
4.278	1.53676	0.00245
4.2921	1.53739	0.0018
4.3064	1.53722	0.00151
4.3208	1.53646	0.00173
4.3352	1.5354	0.00231
4.3498	1.53505	0.00264
4.3644	1.53514	0.00271
4.3791	1.53498	0.00273
4.394	1.53439	0.00285
4.4089	1.53384	0.00303
4.424	1.5336	0.00333
4.4391	1.53363	0.00364
4.4544	1.53386	0.00399
4.4697	1.53417	0.00437
4.4852	1.53458	0.0045
4.5008	1.53469	0.00434
4.5165	1.53451	0.0041
4.5323	1.53419	0.00402
4.5482	1.53375	0.00391
4.5642	1.53359	0.00346
4.5803	1.53346	0.00288
4.5965	1.53301	0.00243
4.6129	1.53252	0.00226
4.6294	1.53219	0.00229
4.646	1.5319	0.00225
4.6627	1.53148	0.00206
4.6795	1.53073	0.00206
4.6965	1.52987	0.00225
4.7136	1.52941	0.00233
4.7308	1.52921	0.00235
4.7481	1.52899	0.00227
4.7655	1.52858	0.00239
4.7831	1.52785	0.003
4.8008	1.52748	0.00346
4.8187	1.52744	0.00335
4.8367	1.52684	0.00315
4.8548	1.5259	0.00327
4.873	1.52542	0.00337
4.8914	1.52535	0.0032
4.91	1.52508	0.00321
4.9286	1.52436	0.0033
4.9474	1.52336	0.00339
4.9664	1.52228	0.00347
4.9855	1.52153	0.00345
5.0047	1.52128	0.00361
5.0241	1.52094	0.00374
5.0437	1.52023	0.00351
5.0634	1.51923	0.00334
5.0832	1.51804	0.0032
5.1033	1.51688	0.00312
5.1234	1.51571	0.00327
5.1438	1.51449	0.00325
5.1643	1.51331	0.00319
5.1849	1.51211	0.00334
5.2057	1.51023	0.00383
5.2267	1.50791	0.00456
5.2479	1.50676	0.00551
5.2692	1.50661	0.00614
5.2907	1.50604	0.00576
5.3124	1.50428	0.00498
5.3343	1.50175	0.00469
5.3563	1.49864	0.00472
5.3785	1.49523	0.00492
5.4009	1.49143	0.00526
5.4235	1.48695	0.00583
5.4463	1.48143	0.00661
5.4693	1.47381	0.00755
5.4925	1.4631	0.00938
5.5159	1.44822	0.0136
5.5394	1.42542	0.0248
5.5632	1.39559	0.0581
5.5872	1.38641	0.133
5.6114	1.43886	0.217
5.6358	1.55253	0.242
5.6604	1.64984	0.172
5.6852	1.65671	0.0824
5.7103	1.62001	0.0375
5.7355	1.59361	0.0251
5.761	1.57932	0.0206
5.7867	1.56988	0.0169
5.8127	1.56284	0.0132
5.8389	1.55668	0.0102
5.8653	1.55202	0.00874
5.8919	1.54654	0.00758
5.9188	1.54116	0.00639
5.946	1.53707	0.0061
5.9734	1.53352	0.00645
6.0011	1.53036	0.00683
6.029	1.52818	0.00746
6.0571	1.52586	0.00765
6.0856	1.52306	0.0068
6.1143	1.51992	0.00593
6.1433	1.51597	0.00587
6.1725	1.51122	0.00702
6.202	1.50727	0.0108
6.2319	1.50741	0.0157
6.262	1.51052	0.0172
6.2924	1.51217	0.0136
6.3231	1.51002	0.00878
6.3541	1.50453	0.00629
6.3854	1.49869	0.00589
6.417	1.4919	0.00586
6.4489	1.48518	0.00649
6.4811	1.47732	0.00759
6.5137	1.46401	0.00955
6.5466	1.44623	0.0153
6.5798	1.41632	0.0433
6.6134	1.4219	0.115
6.6473	1.51409	0.156
6.6816	1.58018	0.105
6.7162	1.57075	0.0463
6.7512	1.5462	0.0264
6.7865	1.52982	0.0246
6.8223	1.52278	0.0259
6.8583	1.51919	0.0227
6.8948	1.51335	0.0175
6.9317	1.50743	0.0138
6.969	1.49913	0.0113
7.0066	1.48836	0.0118
7.0447	1.47863	0.0189
7.0832	1.47886	0.0287
7.1221	1.48381	0.0268
7.1615	1.47865	0.0204
7.2013	1.47134	0.0208
7.2415	1.46607	0.0204
7.2822	1.45713	0.0224
7.3233	1.45653	0.0278
7.3649	1.45802	0.022
7.407	1.4465	0.0137
7.4496	1.43058	0.0122
7.4926	1.4156	0.0127
7.5362	1.39864	0.0144
7.5803	1.37808	0.0202
7.6249	1.35734	0.0304
7.67	1.33697	0.0433
7.7156	1.31919	0.0598
7.7618	1.3038	0.0697
7.8086	1.27126	0.0695
7.8559	1.19662	0.0946
7.9038	1.0914	0.226
7.9523	1.06932	0.405
8.0014	1.16184	0.549
8.0511	1.31297	0.634
8.1014	1.47786	0.663
8.1524	1.64921	0.619
8.204	1.75398	0.47
8.2562	1.67884	0.341
8.3091	1.58296	0.434
8.3628	1.72185	0.563
8.4171	1.92563	0.439
8.4721	1.87624	0.228
8.5278	1.74904	0.258
8.5843	1.83275	0.35
8.6415	1.9617	0.246
8.6995	1.92257	0.0888
8.7583	1.83773	0.0407
8.8179	1.78867	0.0301
8.8783	1.74977	0.0267
8.9395	1.72051	0.0318
9.0016	1.70337	0.0414
9.0645	1.69749	0.0417
9.1284	1.67962	0.0379
9.1931	1.66594	0.0642
9.2588	1.69423	0.0814
9.3254	1.71231	0.0495
9.393	1.68926	0.0232
9.4615	1.66696	0.0215
9.5311	1.65217	0.0215
9.6017	1.63781	0.0229
9.6733	1.61362	0.0242
9.7461	1.58011	0.0631
9.8199	1.61262	0.138
9.8949	1.69795	0.136
9.971	1.7237	0.0687
10.048	1.70117	0.031
10.127	1.68219	0.0187
10.207	1.66788	0.0127
10.288	1.65644	0.0121
10.37	1.64674	0.0118
10.453	1.63964	0.0114
10.538	1.63461	0.0117
10.625	1.63018	0.012
10.713	1.62535	0.0111
10.802	1.6198	0.0117
10.893	1.61395	0.0135
10.985	1.60633	0.0134
11.079	1.59465	0.0167
11.174	1.59001	0.0327
11.272	1.6044	0.0438
11.37	1.616	0.0327
11.471	1.60593	0.0182
11.573	1.58526	0.017
11.678	1.56501	0.032
11.784	1.55381	0.0602
11.892	1.56202	0.0956
12.002	1.60072	0.122
12.114	1.64754	0.112
12.229	1.67053	0.0806
12.345	1.67386	0.0513
12.464	1.66246	0.0266
12.585	1.64019	0.0178
12.708	1.62133	0.0225
12.834	1.61301	0.037
12.962	1.62315	0.0523
13.093	1.64084	0.0512
13.227	1.64859	0.0378
13.363	1.64508	0.0259
13.502	1.63761	0.0207
13.645	1.63163	0.0202
13.79	1.62795	0.0198
13.938	1.62315	0.0207
14.089	1.62323	0.0224
14.244	1.6294	0.0192
14.403	1.63049	0.014
14.564	1.62568	0.00966
14.73	1.62136	0.0064
14.899	1.61894	0.00714
15.072	1.61434	0.0101
15.25	1.60983	0.0102
15.431	1.60548	0.0102
15.617	1.60226	0.0114
15.808	1.60073	0.0129
16.003	1.59779	0.0112
16.203	1.5926	0.00826
16.408	1.58978	0.00995
16.618	1.58838	0.0143
16.834	1.58188	0.0171
17.056	1.57366	0.022
17.283	1.56456	0.0293
17.517	1.55503	0.0521
17.757	1.5723	0.0932
18.003	1.62441	0.107
18.257	1.66031	0.0756
18.518	1.6584	0.0425
18.786	1.64707	0.0266
19.062	1.6408	0.0191
19.347	1.635	0.015
19.64	1.62695	0.019
19.942	1.6239	0.0213

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: —

(C₁₆H₁₄O₃)_n (Polycarbonate, PC): all datasets

About (C16H14O3)n (Polycarbonate, PC)

Polycarbonate (PC, (C₁₆H₁₄O₃)_n) is a high-performance thermoplastic polymer characterized by its remarkable transparency, high impact resistance, and stability over a wide temperature range. Derived from phosgene (COCl₂) and bisphenol A (or other bisphenols), its backbone incorporates carbonate groups (-O-(C=O)-O-). This structure imparts PC with its unique blend of properties. Notably, polycarbonate sheets are optically clear (with light transmission similar to glass) and are used where transparency is essential, such as in eyewear lenses, optical discs, and automotive headlights. Additionally, its excellent mechanical properties make it suitable for bulletproof windows, safety helmets, and electronic housings. However, while PC exhibits good resistance to UV radiation, it can yellow over time with prolonged exposure. It's also prone to scratching, which is why many commercial PC products, like eyeglasses, often come with an applied anti-scratch coating. In terms of its refractive properties, the inherent clarity and ability to be molded into complex shapes make polycarbonate a sought-after material for optical applications.

Polycarbonate - Wikipedia

More about (C16H14O3)n (Polycarbonate, PC) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/organic/(C16H14O3)n - polycarbonate/nk/Zhang.yml
ID: ds_f75aa1f8c322
API: /v1/datasets/ds_f75aa1f8c322

Plot