Optical constants

Refractive index of CsPbCl3 (Cesium lead trichloride)

Zhang et al. 2023: n,k 0.193–1.69 µm

Data: tabulated nk
Range: 0.193–1.69 µm
Points: 1084
State: gas
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 1.7936
Extinction coefficient k: 0.0001464

Permittivity ε₁: 3.21699
Permittivity ε₂: 0.000525165

Absorption coefficient α: 31.309 cm⁻¹
Penetration depth δ = λ/(2πk): 638794 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.345 µm⁻¹

Group index n_g: 1.99632
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

# CsPbCl3 (Cesium lead trichloride): Zhang et al. 2023: n,k 0.193–1.69 µm
cspbcl3 = ls.fetch_refractiveindex("other", "CsPbCl3", "Zhang", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cspbcl3.range_nm)  # (193, 1690) nm
eps = cspbcl3.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_3f2362e76bcb/lightsmith"
cspbcl3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(cspbcl3.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (cspbcl3/zhang-2023).

# ... load cspbcl3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=cspbcl3)],
    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

Vapor-deposited thin film. Film thickness: 198 nm; Room temperature

Conditions

film thickness: 198e-9
substrate: glass

References

X. Zhang, Y. Chen, X. Liu, Z. Liu, H. Gu, S. Bo, G. Liao. Optimizing the design of the vapor-deposited CsPbCl₃-based optoelectronic devices via simulations and experiments. Adv. Funct. Mater., 2310945 (2023) (Numerical data kindly provided by Xuning Zhang)

doi:10.1002/adfm.202310945 Optimizing the Design of the Vapor‐Deposited CsPbCl <sub>3</sub> ‐Based Optoelectronic Devices via Simulations and Experiments, Advanced Functional Materials (2023)

Cite

Xuning Zhang et al.. Optimizing the Design of the Vapor‐Deposited CsPbCl <sub>3</sub> ‐Based Optoelectronic Devices via Simulations and Experiments. Advanced Functional Materials, 34, 2310945 (2023), doi:10.1002/adfm.202310945; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

1084 rows as published

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

CsPbCl3 (Cesium lead trichloride), Zhang et al. 2023: n,k 0.193–1.69 µm: n and k versus wavelength
λ (µm)	n	k
0.193	1.709884	0.292923
0.194	1.700102	0.304663
0.195	1.691157	0.316823
0.196	1.683081	0.329398
0.197	1.675912	0.342378
0.198	1.669695	0.355747
0.199	1.664476	0.369481
0.2	1.660307	0.383548
0.201	1.657242	0.397905
0.202	1.655337	0.412498
0.203	1.654648	0.427263
0.204	1.655226	0.442121
0.205	1.657121	0.456983
0.206	1.660375	0.471743
0.207	1.665019	0.486284
0.208	1.671072	0.500478
0.209	1.67854	0.514183
0.21	1.687408	0.52725
0.211	1.69764	0.539523
0.212	1.709178	0.550844
0.213	1.721938	0.561055
0.214	1.73581	0.570006
0.215	1.750658	0.577557
0.216	1.766322	0.583585
0.217	1.782619	0.587989
0.218	1.799348	0.590694
0.219	1.816293	0.591657
0.22	1.833232	0.59087
0.221	1.849942	0.588357
0.222	1.866207	0.584183
0.223	1.881823	0.57844
0.224	1.896607	0.571257
0.225	1.910403	0.562783
0.226	1.923081	0.553189
0.227	1.934544	0.542658
0.228	1.944728	0.53138
0.229	1.953601	0.519543
0.23	1.961159	0.507331
0.231	1.967424	0.494917
0.232	1.972441	0.482458
0.233	1.976274	0.470097
0.234	1.979	0.457957
0.235	1.980705	0.446144
0.236	1.981482	0.434744
0.237	1.981428	0.423826
0.238	1.980639	0.413446
0.239	1.97921	0.403641
0.24	1.977234	0.39444
0.241	1.974797	0.385856
0.242	1.971982	0.377896
0.243	1.968868	0.370559
0.244	1.965524	0.363835
0.245	1.962017	0.357712
0.246	1.958409	0.35217
0.247	1.954754	0.347188
0.248	1.951102	0.34274
0.249	1.947499	0.338799
0.25	1.943988	0.335336
0.251	1.940603	0.33232
0.252	1.93738	0.329718
0.253	1.934347	0.327497
0.254	1.93153	0.325621
0.255	1.928952	0.324056
0.256	1.92663	0.322766
0.257	1.924581	0.321714
0.258	1.922816	0.320862
0.259	1.921343	0.320174
0.26	1.920166	0.319612
0.261	1.919288	0.31914
0.262	1.918705	0.318722
0.263	1.91841	0.318322
0.264	1.918395	0.317906
0.265	1.918645	0.317443
0.266	1.919144	0.316902
0.267	1.919874	0.316257
0.268	1.92081	0.315483
0.269	1.92193	0.314559
0.27	1.923206	0.313467
0.271	1.924611	0.312193
0.272	1.926117	0.310728
0.273	1.927694	0.309066
0.274	1.929315	0.307203
0.275	1.930951	0.305142
0.276	1.932576	0.302887
0.277	1.934165	0.300445
0.278	1.935696	0.297828
0.279	1.937149	0.295048
0.28	1.938506	0.29212
0.281	1.939751	0.28906
0.282	1.940873	0.285884
0.283	1.941862	0.282612
0.284	1.94271	0.279259
0.285	1.943413	0.275844
0.286	1.943969	0.272384
0.287	1.944377	0.268896
0.288	1.944638	0.265394
0.289	1.944756	0.261894
0.29	1.944735	0.258408
0.291	1.94458	0.254949
0.292	1.944298	0.251528
0.293	1.943896	0.248153
0.294	1.94338	0.244833
0.295	1.94276	0.241575
0.296	1.942041	0.238385
0.297	1.941234	0.235268
0.298	1.940345	0.232227
0.299	1.939382	0.229266
0.3	1.938352	0.226388
0.301	1.937264	0.223592
0.302	1.936123	0.220881
0.303	1.934936	0.218254
0.304	1.93371	0.215711
0.305	1.932451	0.213252
0.306	1.931162	0.210875
0.307	1.929851	0.208579
0.308	1.928521	0.206363
0.309	1.927176	0.204224
0.31	1.925821	0.202161
0.311	1.924459	0.200172
0.312	1.923093	0.198254
0.313	1.921727	0.196406
0.314	1.920362	0.194624
0.315	1.919002	0.192907
0.316	1.917649	0.191253
0.317	1.916303	0.189658
0.318	1.914968	0.188121
0.319	1.913644	0.186639
0.32	1.912333	0.185211
0.321	1.911036	0.183833
0.322	1.909753	0.182505
0.323	1.908486	0.181223
0.324	1.907235	0.179987
0.325	1.906001	0.178793
0.326	1.904784	0.177641
0.327	1.903584	0.176528
0.328	1.902401	0.175454
0.329	1.901236	0.174415
0.33	1.900089	0.173411
0.331	1.898959	0.172441
0.332	1.897846	0.171502
0.333	1.896751	0.170594
0.334	1.895672	0.169716
0.335	1.894611	0.168866
0.336	1.893565	0.168043
0.337	1.892535	0.167247
0.338	1.89152	0.166476
0.339	1.89052	0.16573
0.34	1.889535	0.165007
0.341	1.888563	0.164308
0.342	1.887605	0.163631
0.343	1.886659	0.162976
0.344	1.885725	0.162342
0.345	1.884802	0.16173
0.346	1.88389	0.161139
0.347	1.882988	0.160568
0.348	1.882095	0.160017
0.349	1.881211	0.159487
0.35	1.880335	0.158977
0.351	1.879467	0.158487
0.352	1.878605	0.158018
0.353	1.877752	0.157568
0.354	1.876904	0.157137
0.355	1.87606	0.156723
0.356	1.875218	0.156328
0.357	1.874376	0.155952
0.358	1.873533	0.155597
0.359	1.872687	0.155262
0.36	1.871838	0.15495
0.361	1.870984	0.154661
0.362	1.870123	0.154398
0.363	1.869254	0.15416
0.364	1.868375	0.15395
0.365	1.867486	0.15377
0.366	1.866584	0.153622
0.367	1.865668	0.153508
0.368	1.864736	0.15343
0.369	1.863787	0.153391
0.37	1.862819	0.153395
0.371	1.86183	0.153444
0.372	1.860817	0.153543
0.373	1.85978	0.153695
0.374	1.858715	0.153905
0.375	1.857621	0.154178
0.376	1.856494	0.15452
0.377	1.855334	0.154937
0.378	1.854136	0.155437
0.379	1.852898	0.156028
0.38	1.851617	0.156718
0.381	1.85029	0.157518
0.382	1.848913	0.158439
0.383	1.847484	0.159496
0.384	1.845998	0.160704
0.385	1.844452	0.16208
0.386	1.842841	0.163644
0.387	1.841163	0.165421
0.388	1.839414	0.167438
0.389	1.837589	0.169727
0.39	1.835688	0.172327
0.391	1.833707	0.175284
0.392	1.831648	0.178651
0.393	1.829512	0.182495
0.394	1.827308	0.186893
0.395	1.825048	0.191943
0.396	1.822755	0.197763
0.397	1.820467	0.204498
0.398	1.818244	0.21233
0.399	1.816182	0.221485
0.4	1.814431	0.232247
0.401	1.813226	0.244967
0.402	1.812938	0.260081
0.403	1.814158	0.278113
0.404	1.817822	0.299656
0.405	1.825416	0.325284
0.406	1.839263	0.355314
0.407	1.862848	0.389217
0.408	1.900895	0.424408
0.409	1.958335	0.454228
0.41	2.036496	0.466166
0.411	2.126017	0.444569
0.412	2.203709	0.382847
0.413	2.246128	0.295696
0.414	2.249312	0.209543
0.415	2.226796	0.141445
0.416	2.193868	0.094148
0.417	2.159862	0.063456
0.418	2.128818	0.044235
0.419	2.10191	0.032478
0.42	2.079093	0.025472
0.421	2.059911	0.021475
0.422	2.043858	0.019386
0.423	2.030595	0.018473
0.424	2.019658	0.017795
0.425	2.010226	0.017113
0.426	2.001907	0.016431
0.427	1.994455	0.015754
0.428	1.987702	0.015083
0.429	1.981524	0.01442
0.43	1.975828	0.013768
0.431	1.97054	0.013127
0.432	1.965603	0.0125
0.433	1.960968	0.011886
0.434	1.956599	0.011288
0.435	1.952463	0.010706
0.436	1.948533	0.01014
0.437	1.944788	0.009592
0.438	1.941209	0.009062
0.439	1.937778	0.008551
0.44	1.934483	0.008059
0.441	1.931311	0.007587
0.442	1.928252	0.007136
0.443	1.925297	0.006706
0.444	1.922438	0.006297
0.445	1.919668	0.005911
0.446	1.916981	0.005546
0.447	1.914372	0.005205
0.448	1.911837	0.004887
0.449	1.909372	0.004593
0.45	1.906973	0.004323
0.451	1.904637	0.004077
0.452	1.902363	0.003856
0.453	1.900149	0.00366
0.454	1.897993	0.00349
0.455	1.895895	0.003345
0.456	1.893854	0.003227
0.457	1.891874	0.003134
0.458	1.889957	0.003069
0.459	1.888115	0.003018
0.46	1.886336	0.002968
0.461	1.88461	0.002919
0.462	1.882934	0.00287
0.463	1.881303	0.002822
0.464	1.879715	0.002775
0.465	1.878168	0.002729
0.466	1.876658	0.002683
0.467	1.875185	0.002638
0.468	1.873745	0.002593
0.469	1.872338	0.002549
0.47	1.870962	0.002506
0.471	1.869616	0.002463
0.472	1.868299	0.002421
0.473	1.867008	0.00238
0.474	1.865744	0.002339
0.475	1.864504	0.002298
0.476	1.863289	0.002259
0.477	1.862097	0.002219
0.478	1.860928	0.002181
0.479	1.859779	0.002143
0.48	1.858652	0.002105
0.481	1.857545	0.002068
0.482	1.856457	0.002032
0.483	1.855389	0.001996
0.484	1.854338	0.001961
0.485	1.853305	0.001926
0.486	1.852288	0.001892
0.487	1.851289	0.001858
0.488	1.850305	0.001825
0.489	1.849337	0.001792
0.49	1.848384	0.001759
0.491	1.847445	0.001727
0.492	1.846521	0.001696
0.493	1.845611	0.001665
0.494	1.844714	0.001634
0.495	1.84383	0.001604
0.496	1.842959	0.001575
0.497	1.8421	0.001545
0.498	1.841254	0.001517
0.499	1.840419	0.001488
0.5	1.839596	0.00146
0.501	1.838784	0.001433
0.502	1.837982	0.001406
0.503	1.837192	0.001379
0.504	1.836412	0.001353
0.505	1.835642	0.001327
0.506	1.834882	0.001301
0.507	1.834132	0.001276
0.508	1.833391	0.001251
0.509	1.832659	0.001227
0.51	1.831937	0.001203
0.511	1.831223	0.001179
0.512	1.830518	0.001155
0.513	1.829822	0.001132
0.514	1.829134	0.00111
0.515	1.828453	0.001087
0.516	1.827781	0.001065
0.517	1.827117	0.001044
0.518	1.82646	0.001022
0.519	1.825811	0.001001
0.52	1.82517	0.000981
0.521	1.824535	0.00096
0.522	1.823907	0.00094
0.523	1.823287	0.00092
0.524	1.822673	0.000901
0.525	1.822066	0.000882
0.526	1.821465	0.000863
0.527	1.820871	0.000844
0.528	1.820283	0.000826
0.529	1.819702	0.000808
0.53	1.819126	0.00079
0.531	1.818557	0.000773
0.532	1.817993	0.000756
0.533	1.817435	0.000739
0.534	1.816882	0.000722
0.535	1.816336	0.000706
0.536	1.815794	0.000689
0.537	1.815259	0.000674
0.538	1.814728	0.000658
0.539	1.814203	0.000643
0.54	1.813682	0.000627
0.541	1.813167	0.000613
0.542	1.812657	0.000598
0.543	1.812151	0.000584
0.544	1.811651	0.000569
0.545	1.811155	0.000555
0.546	1.810664	0.000542
0.547	1.810177	0.000528
0.548	1.809695	0.000515
0.549	1.809217	0.000502
0.55	1.808744	0.000489
0.551	1.808275	0.000477
0.552	1.80781	0.000464
0.553	1.807349	0.000452
0.554	1.806893	0.00044
0.555	1.80644	0.000428
0.556	1.805992	0.000417
0.557	1.805547	0.000406
0.558	1.805107	0.000394
0.559	1.80467	0.000383
0.56	1.804237	0.000373
0.561	1.803808	0.000362
0.562	1.803382	0.000352
0.563	1.80296	0.000342
0.564	1.802542	0.000332
0.565	1.802127	0.000322
0.566	1.801715	0.000312
0.567	1.801307	0.000303
0.568	1.800903	0.000294
0.569	1.800501	0.000284
0.57	1.800103	0.000276
0.571	1.799709	0.000267
0.572	1.799317	0.000258
0.573	1.798929	0.00025
0.574	1.798544	0.000242
0.575	1.798162	0.000234
0.576	1.797782	0.000226
0.577	1.797406	0.000218
0.578	1.797033	0.000211
0.579	1.796663	0.000203
0.58	1.796296	0.000196
0.581	1.795931	0.000189
0.582	1.79557	0.000182
0.583	1.795211	0.000175
0.584	1.794855	0.000169
0.585	1.794502	0.000162
0.586	1.794151	0.000156
0.587	1.793803	0.00015
0.588	1.793458	0.000144
0.589	1.793115	0.000138
0.59	1.792775	0.000132
0.591	1.792438	0.000126
0.592	1.792103	0.000121
0.593	1.79177	0.000115
0.594	1.79144	0.00011
0.595	1.791112	0.000105
0.596	1.790787	0.0001
0.597	1.790464	9.6e-05
0.598	1.790144	9.1e-05
0.599	1.789826	8.6e-05
0.6	1.78951	8.2e-05
0.601	1.789196	7.8e-05
0.602	1.788885	7.4e-05
0.603	1.788575	7e-05
0.604	1.788268	6.6e-05
0.605	1.787964	6.2e-05
0.606	1.787661	5.8e-05
0.607	1.787361	5.5e-05
0.608	1.787062	5.1e-05
0.609	1.786766	4.8e-05
0.61	1.786472	4.5e-05
0.611	1.78618	4.2e-05
0.612	1.785889	3.9e-05
0.613	1.785601	3.6e-05
0.614	1.785315	3.3e-05
0.615	1.785031	3.1e-05
0.616	1.784749	2.8e-05
0.617	1.784468	2.6e-05
0.618	1.78419	2.4e-05
0.619	1.783913	2.2e-05
0.62	1.783639	2e-05
0.621	1.783366	1.8e-05
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1.4	1.722035	0.0
1.4025	1.72196	0.0
1.405	1.721886	0.0
1.4075	1.721812	0.0
1.41	1.721737	0.0
1.4125	1.721663	0.0
1.415	1.72159	0.0
1.4175	1.721516	0.0
1.42	1.721442	0.0
1.4225	1.721369	0.0
1.425	1.721296	0.0
1.4275	1.721222	0.0
1.43	1.721149	0.0
1.4325	1.721076	0.0
1.435	1.721004	0.0
1.4375	1.720931	0.0
1.44	1.720859	0.0
1.4425	1.720786	0.0
1.445	1.720714	0.0
1.4475	1.720642	0.0
1.45	1.72057	0.0
1.4525	1.720498	0.0
1.455	1.720426	0.0
1.4575	1.720355	0.0
1.46	1.720283	0.0
1.4625	1.720212	0.0
1.465	1.720141	0.0
1.4675	1.720069	0.0
1.47	1.719998	0.0
1.4725	1.719927	0.0
1.475	1.719857	0.0
1.4775	1.719786	0.0
1.48	1.719715	0.0
1.4825	1.719645	0.0
1.485	1.719574	0.0
1.4875	1.719504	0.0
1.49	1.719434	0.0
1.4925	1.719364	0.0
1.495	1.719294	0.0
1.4975	1.719224	0.0
1.5	1.719154	0.0
1.5025	1.719085	0.0
1.505	1.719015	0.0
1.5075	1.718945	0.0
1.51	1.718876	0.0
1.5125	1.718807	0.0
1.515	1.718737	0.0
1.5175	1.718668	0.0
1.52	1.718599	0.0
1.5225	1.71853	0.0
1.525	1.718461	0.0
1.5275	1.718393	0.0
1.53	1.718324	0.0
1.5325	1.718255	0.0
1.535	1.718187	0.0
1.5375	1.718118	0.0
1.54	1.71805	0.0
1.5425	1.717982	0.0
1.545	1.717914	0.0
1.5475	1.717845	0.0
1.55	1.717777	0.0
1.5525	1.717709	0.0
1.555	1.717641	0.0
1.5575	1.717574	0.0
1.56	1.717506	0.0
1.5625	1.717438	0.0
1.565	1.717371	0.0
1.5675	1.717303	0.0
1.57	1.717236	0.0
1.5725	1.717168	0.0
1.575	1.717101	0.0
1.5775	1.717034	0.0
1.58	1.716966	0.0
1.5825	1.716899	0.0
1.585	1.716832	0.0
1.5875	1.716765	0.0
1.59	1.716698	0.0
1.5925	1.716631	0.0
1.595	1.716565	0.0
1.5975	1.716498	0.0
1.6	1.716431	0.0
1.6025	1.716365	0.0
1.605	1.716298	0.0
1.6075	1.716231	0.0
1.61	1.716165	0.0
1.6125	1.716098	0.0
1.615	1.716032	0.0
1.6175	1.715966	0.0
1.62	1.715899	0.0
1.6225	1.715833	0.0
1.625	1.715767	0.0
1.6275	1.715701	0.0
1.63	1.715635	0.0
1.6325	1.715569	0.0
1.635	1.715503	0.0
1.6375	1.715437	0.0
1.64	1.715371	0.0
1.6425	1.715305	0.0
1.645	1.71524	0.0
1.6475	1.715174	0.0
1.65	1.715108	0.0
1.6525	1.715043	0.0
1.655	1.714977	0.0
1.6575	1.714911	0.0
1.66	1.714846	0.0
1.6625	1.714781	0.0
1.665	1.714715	0.0
1.6675	1.71465	0.0
1.67	1.714584	0.0
1.6725	1.714519	0.0
1.675	1.714454	0.0
1.6775	1.714388	0.0
1.68	1.714323	0.0
1.6825	1.714258	0.0
1.685	1.714193	0.0
1.6875	1.714128	0.0
1.69	1.714063	0.0

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