Optical constants

Refractive index of Yb (Ytterbium)

Larruquert et al. 2003: n,k 0.000730–0.207 µm

Data: tabulated nk
Range: 0.0007302–0.2066 µm
Points: 477
Licence: CC0-1.0

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 0.982883
Extinction coefficient k: 0.0180481

Permittivity ε₁: 0.965733
Permittivity ε₂: 0.0354783

Absorption coefficient α: 184389 cm⁻¹
Penetration depth δ = λ/(2πk): 108.466 nm

Abbe number V_d: —
Chromatic dispersion dn/dλ: -1.9825 µm⁻¹

Group index n_g: 1.00727
Group velocity dispersion: — fs²/mm

Dispersion parameter D: — ps/(nm·km)
Photon energy: 100.8 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

# Yb (Ytterbium): Larruquert et al. 2003: n,k 0.000730–0.207 µm
yb = ls.fetch_refractiveindex("main", "Yb", "Larruquert", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(yb.range_nm)  # (0.730178, 206.607) nm
eps = yb.eps([12.3])  # 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_d8d08ee073ff/lightsmith"
yb = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(yb.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (yb/larruquert-2003).

# ... load yb as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=yb)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=1, stop_nm=206, 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

Density: 6.81 g/cm³. Film deposited at room temperature.

References

1) J. I. Larruquert, J. A. Aznarez, J. A.Méndez, J. Calvo-Angós. Optical properties of ytterbium films in the far and the extreme ultraviolet. Appl. Opt. 42, 4566-4572 (2003)
2) M. Fernández-Perea, J. I. Larruquert, J. A. Aznárez, J. A. Méndez, L. Poletto, D. Garoli, A. M. Malvezzi, A. Giglia, S. Nannarone. Optical constants of Yb films in the 23-1700 eV range. J. Opt. Soc. Am. A 24, 3691-3699 (2007)
(Numerical data kindly provided by Juan Larruquert)

doi:10.1364/ao.42.004566 Optical properties of ytterbium films in the far and the extreme ultraviolet, Applied Optics (2003)
doi:10.1364/josaa.24.003691 Optical constants of Yb films in the 23-1700 eV range, Journal of the Optical Society of America A (2007)

Cite

Juan I. Larruquert, José A. Aznárez, José A. Méndez and José Calvo-Angós. Optical properties of ytterbium films in the far and the extreme ultraviolet. Applied Optics, 42, 4566 (2003), doi:10.1364/ao.42.004566; Mónica Fernández-Perea et al.. Optical constants of Yb films in the 23-1700 eV range. Journal of the Optical Society of America A, 24, 3691 (2007), doi:10.1364/josaa.24.003691; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

477 rows as published

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

Yb (Ytterbium), Larruquert et al. 2003: n,k 0.000730–0.207 µm: n and k versus wavelength
λ (µm)	n	k
0.000730178	0.999710783	0.000244461
0.000731039	0.999729746	0.000268614
0.000731902	0.999751106	0.000265182
0.000732767	0.999760826	0.00025998
0.000733634	0.999765509	0.000256515
0.000734503	0.999767966	0.000254789
0.000735375	0.999769946	0.000255034
0.000736248	0.999771892	0.000255415
0.000737124	0.999773712	0.000256702
0.000738001	0.999775689	0.000258175
0.000738881	0.999777289	0.000259821
0.000739762	0.999779232	0.000263169
0.000740646	0.999782496	0.000266837
0.000741532	0.999786962	0.00027038
0.00074242	0.999793029	0.000273585
0.00074331	0.999799725	0.000274228
0.000744203	0.999805712	0.000273733
0.000745097	0.999810255	0.000272194
0.000745994	0.999814459	0.000272711
0.000746893	0.999820868	0.000273346
0.000747794	0.999826782	0.000269464
0.000748697	0.999831048	0.000266901
0.000749602	0.999833818	0.000262467
0.00075051	0.999836228	0.000261362
0.000751419	0.999837745	0.000257217
0.000752331	0.999838698	0.000257839
0.000753245	0.999840628	0.000257084
0.000754162	0.999845175	0.000260241
0.00075508	0.999852535	0.000257769
0.000756001	0.999858438	0.000252566
0.000756924	0.999861415	0.000244774
0.00075785	0.999859255	0.000236981
0.000758777	0.999855848	0.000236418
0.000759707	0.999854868	0.000236815
0.000760639	0.999857011	0.000238925
0.000761574	0.999859551	0.000235533
0.00076251	0.999858555	0.000232999
0.000763449	0.999856975	0.000234808
0.000764391	0.999860055	0.000240482
0.000765334	0.999866748	0.000240898
0.000766281	0.999873495	0.000239306
0.000767229	0.999877821	0.000233762
0.00076818	0.999881901	0.000232602
0.000769133	0.999886271	0.000226378
0.000770088	0.999888851	0.000221751
0.000771046	0.999889868	0.000215144
0.000772006	0.999889891	0.000211819
0.000772969	0.999889548	0.00020735
0.000773934	0.999890321	0.000206887
0.000774901	0.999892604	0.000202867
0.000775871	0.999894104	0.000199009
0.000776843	0.999894728	0.000193773
0.000777818	0.999893908	0.000189379
0.000778795	0.999892638	0.000186226
0.000779775	0.999892271	0.000184587
0.000780757	0.999893271	0.000182288
0.000781741	0.999894824	0.000178654
0.000782728	0.999894488	0.000172314
0.000783718	0.999891471	0.000167992
0.00078471	0.999888934	0.000166796
0.000785705	0.999887951	0.000165394
0.000786702	0.999887234	0.000163368
0.000787701	0.999886074	0.000161221
0.000788703	0.999883641	0.000159529
0.000789708	0.999884401	0.000163195
0.000790715	0.999887368	0.000159929
0.000791725	0.999888781	0.000157529
0.000792738	0.999889271	0.00015316
0.000793753	0.999887524	0.000150012
0.00079477	0.999888331	0.000151642
0.000795791	0.999890241	0.000147333
0.000796814	0.999893594	0.000147284
0.000797839	0.999895914	0.0001373
0.000798867	0.999893421	0.000131773
0.000799898	0.999890284	0.000127209
0.000800931	0.999888664	0.000126021
0.000801968	0.999885904	0.00012015
0.000803006	0.999882288	0.00012126
0.000804048	0.999882135	0.000122149
0.000805092	0.999886344	0.000123908
0.000806139	0.999891381	0.000117169
0.000807189	0.999893214	0.000110197
0.000808241	0.999894048	0.000102575
0.000809296	0.999892788	9.29876e-05
0.000810354	0.999889148	8.44541e-05
0.000811415	0.999883501	7.59929e-05
0.000812478	0.999876098	6.97628e-05
0.000813545	0.999867705	6.52226e-05
0.000814614	0.999860518	6.44909e-05
0.000815685	0.999855305	6.23669e-05
0.00081676	0.999847938	5.80931e-05
0.000817838	0.999838672	5.82564e-05
0.000818918	0.999831008	6.1496e-05
0.000820001	0.999827005	6.68449e-05
0.000821087	0.999825602	6.92533e-05
0.000822176	0.999824438	7.058e-05
0.000823268	0.999823342	7.10437e-05
0.000824363	0.999822635	7.13237e-05
0.000825461	0.999821955	6.99378e-05
0.000826561	0.999820378	6.77368e-05
0.000827665	0.999816992	6.5273e-05
0.000828771	0.999813412	6.57431e-05
0.000829881	0.999811042	6.59642e-05
0.000830993	0.999808619	6.53253e-05
0.000832109	0.999805825	6.53111e-05
0.000833227	0.999803215	6.58441e-05
0.000834349	0.999801959	6.75662e-05
0.000835473	0.999802785	6.79543e-05
0.0008366	0.999803185	6.47339e-05
0.000837731	0.999796462	6.03665e-05
0.00084343	0.999783239	5.65177e-05
0.000849207	0.999766706	5.83814e-05
0.000855063	0.999754452	6.15048e-05
0.000861001	0.999744563	6.48188e-05
0.000867022	0.999735503	6.64642e-05
0.000873128	0.999726589	6.85783e-05
0.00087932	0.999717563	6.97106e-05
0.000885601	0.99970822	7.1958e-05
0.000891973	0.99969893	7.44283e-05
0.000898436	0.99969084	7.79215e-05
0.000904994	0.99968389	8.07582e-05
0.000911648	0.99967622	8.17152e-05
0.000918401	0.9996683	8.47281e-05
0.000925255	0.99966129	8.66574e-05
0.000932212	0.99965366	8.75661e-05
0.000939274	0.99964429	8.83487e-05
0.000946444	0.99963508	9.23551e-05
0.000953725	0.99962765	9.57576e-05
0.000961118	0.99962021	9.77532e-05
0.000968626	0.99961228	9.99161e-05
0.000976253	0.99960362	0.000101463
0.000984001	0.99959463	0.000104389
0.000991873	0.99958588	0.000106999
0.000999872	0.99957652	0.000109579
0.001008002	0.9995668	0.000113386
0.001016264	0.99955872	0.000118826
0.001024663	0.99955224	0.000121923
0.001033202	0.99954429	0.000122259
0.001041884	0.99953288	0.000122738
0.001050713	0.99952122	0.000128304
0.001059694	0.9995131	0.000134205
0.001068829	0.99950414	0.000134929
0.001078123	0.9994933	0.000139109
0.001087581	0.99948335	0.000142833
0.001097205	0.99947266	0.000145809
0.001107002	0.99946156	0.000150069
0.001116975	0.99945022	0.000153799
0.001127129	0.99943877	0.000158767
0.00113747	0.99942756	0.000163149
0.001148002	0.99941552	0.000167307
0.001158731	0.99940326	0.0001727
0.001169662	0.99939095	0.000177659
0.001180802	0.99937842	0.00018341
0.001192156	0.99936594	0.00018902
0.00120373	0.99935319	0.000194743
0.001215531	0.99934042	0.000200865
0.001227566	0.99932849	0.000207024
0.001239842	0.99931474	0.000209754
0.001252366	0.99930064	0.000216583
0.001265145	0.99928343	0.000217559
0.001278187	0.99926436	0.00022829
0.001291502	0.99924932	0.000238046
0.001305097	0.99923451	0.000245851
0.001318981	0.99922065	0.000254632
0.001333163	0.9992056	0.000257558
0.001347654	0.99918307	0.00025951
0.001362464	0.99915825	0.000272192
0.001377602	0.99913917	0.000287802
0.001393081	0.99912033	0.000298534
0.001408911	0.99910575	0.00031707
0.001425106	0.99909258	0.000319997
0.001441677	0.9990658	0.000320972
0.001458637	0.99904021	0.000342436
0.001476002	0.99901724	0.000351216
0.001493785	0.99899818	0.000375606
0.001512002	0.99897769	0.000376582
0.001530669	0.99894807	0.000394142
0.001549802	0.99892506	0.000414142
0.00156942	0.9989034	0.000428288
0.001589541	0.99887588	0.000439996
0.001610184	0.99884639	0.000460483
0.001631371	0.99882222	0.000481946
0.001653122	0.99879146	0.000491702
0.001675462	0.99875653	0.000519995
0.001698414	0.99872756	0.000547312
0.001722003	0.99870714	0.000580482
0.001771203	0.99865776	0.000607311
0.001796872	0.99862027	0.000623408
0.001823297	0.99857678	0.000647311
0.00185051	0.99854286	0.000686822
0.001878548	0.99850651	0.000701456
0.001907449	0.99846004	0.000737554
0.001937253	0.99842718	0.00078048
0.001968003	0.99839063	0.000799016
0.001999745	0.99834078	0.000832187
0.002032528	0.99828772	0.000870235
0.002066403	0.99823905	0.000925844
0.002101427	0.99820953	0.000982429
0.002137658	0.99816697	0.001000966
0.002175161	0.99811188	0.001058526
0.002214003	0.99806447	0.00110633
0.002254258	0.99802515	0.001167793
0.002296003	0.99796941	0.001189256
0.002339324	0.99790455	0.001266329
0.002384311	0.99785185	0.001320962
0.002431062	0.99779545	0.00139023
0.002479684	0.9977366	0.001449742
0.00253029	0.99767565	0.00152657
0.002583004	0.99761449	0.001597057
0.002637961	0.99757996	0.001693642
0.002695308	0.9974901	0.001673154
0.002755204	0.99736887	0.001821445
0.002817822	0.99730524	0.00192681
0.002883353	0.99723325	0.002025346
0.002952004	0.99715131	0.002128759
0.003024005	0.99707009	0.002249734
0.003099605	0.99699898	0.00237022
0.003179082	0.99691535	0.002471195
0.003262742	0.99680649	0.002589242
0.003350924	0.99669726	0.002741436
0.003444005	0.99659232	0.002895581
0.003542405	0.99652082	0.003086798
0.003646594	0.99643138	0.003171676
0.003757097	0.99627052	0.003309235
0.003874506	0.99609219	0.003488746
0.00399949	0.99592573	0.003711182
0.004132806	0.99572551	0.003891181
0.004202854	0.99564591	0.004044838
0.004275317	0.99536062	0.003960936
0.004350322	0.995221	0.004608734
0.004428007	0.99533881	0.004657514
0.004508516	0.99525747	0.004759952
0.004592007	0.99516778	0.004937512
0.004678649	0.99508021	0.005082876
0.004768623	0.99497193	0.005265313
0.004862125	0.99487463	0.00547214
0.004959367	0.9947899	0.005680919
0.005060579	0.9946955	0.005883844
0.005166008	0.99460526	0.006128719
0.005275923	0.99452257	0.006362863
0.005390617	0.99446652	0.006648714
0.005510408	0.99443494	0.006881882
0.005635645	0.9943936	0.007126758
0.005766706	0.99438652	0.007389194
0.005904009	0.99438407	0.007574558
0.006048009	0.99437459	0.007781386
0.006199209	0.99436731	0.007921872
0.006358163	0.99437343	0.008046749
0.006525484	0.99419679	0.007907238
0.006701848	0.99393652	0.008130163
0.00688801	0.99360169	0.008055529
0.007084811	0.99311001	0.008334551
0.007293187	0.99264246	0.00862528
0.007514193	0.99223646	0.009119909
0.007749012	0.99184151	0.00944771
0.00799898	0.99141316	0.00996673
0.008265612	0.9909872	0.010384286
0.008550634	0.99048898	0.010908184
0.008856013	0.98999016	0.011481836
0.009184014	0.98947736	0.012067196
0.009537245	0.9888858	0.012624264
0.009918735	0.98817056	0.013240843
0.010332016	0.98734206	0.013928641
0.010781234	0.9863281	0.014661317
0.01127129	0.98514986	0.015655453
0.011808018	0.98385835	0.016806661
0.012398419	0.98268788	0.018296402
0.012460722	0.98263952	0.018322744
0.012523655	0.98240091	0.018244696
0.012587227	0.98214132	0.018514937
0.012651448	0.9820329	0.018699325
0.012716327	0.98191487	0.018810544
0.012781875	0.9817833	0.01894225
0.012848102	0.98161825	0.019017371
0.01291502	0.98144776	0.019187125
0.012982637	0.98135069	0.019318831
0.013050967	0.98110203	0.019246149
0.01312002	0.98083504	0.019557853
0.013189807	0.98067885	0.019681754
0.013260341	0.98049278	0.019871021
0.013331633	0.98036419	0.020046629
0.013403696	0.98015484	0.020078824
0.013476542	0.97995581	0.020348089
0.013550184	0.97977964	0.020403698
0.013624636	0.97957078	0.020620282
0.01369991	0.97944416	0.020751988
0.013776021	0.97916756	0.020706622
0.013852982	0.97881865	0.020963693
0.013930808	0.97860785	0.021216373
0.014009513	0.9783964	0.021359786
0.014089112	0.97818288	0.021579296
0.014169621	0.97796546	0.021694417
0.014251056	0.97769849	0.021858318
0.014333432	0.97741414	0.02202417
0.014416766	0.97715923	0.022261241
0.014501075	0.97689746	0.022394898
0.014586375	0.9765925	0.022603676
0.014672685	0.97633396	0.022834894
0.014760022	0.97603879	0.02295977
0.014848406	0.97569556	0.02319489
0.014937854	0.97540285	0.023442692
0.015028386	0.97508122	0.023610496
0.015120023	0.97473841	0.023870005
0.015212784	0.97438438	0.024070003
0.01530669	0.97401848	0.024358781
0.015401762	0.97364378	0.024595852
0.015498023	0.9732823	0.024937312
0.015595495	0.97290797	0.025171456
0.015694201	0.972512	0.025537306
0.015794164	0.97213846	0.025859254
0.015895409	0.97180546	0.026269981
0.01599796	0.97150673	0.026558759
0.016101843	0.97111643	0.026812415
0.016207083	0.97069506	0.027175338
0.016313709	0.97028216	0.027526554
0.016421747	0.96989183	0.027937282
0.016531225	0.96939624	0.028222157
0.016642173	0.96902709	0.028943125
0.01675462	0.96878127	0.029218244
0.016868597	0.96836283	0.029592875
0.016984135	0.9679895	0.030085553
0.017101267	0.96776917	0.030535304
0.017220026	0.96732197	0.030560182
0.017340446	0.96668872	0.031108957
0.017462562	0.96632972	0.031725536
0.01758641	0.96594658	0.031996753
0.017712027	0.96542911	0.03246748
0.017839451	0.96494256	0.032949427
0.017968723	0.96447433	0.033478202
0.018099881	0.96403051	0.033986002
0.018232969	0.96356496	0.034472826
0.018368028	0.96308285	0.034996235
0.018505103	0.96260033	0.035521596
0.018644239	0.96206902	0.036046957
0.018785483	0.96160266	0.036756218
0.018928884	0.96132071	0.037393772
0.01907449	0.96124778	0.037852304
0.019222355	0.96060379	0.037386943
0.019372529	0.95951036	0.038023034
0.019525069	0.95866129	0.038616199
0.01968003	0.95787658	0.039362533
0.01983747	0.95715736	0.040030819
0.01999745	0.95636816	0.04068252
0.02016003	0.95556319	0.041472756
0.020325277	0.95482453	0.042280553
0.020493254	0.95407329	0.043021033
0.020664031	0.95326377	0.043798586
0.020837679	0.95241254	0.04460931
0.021014269	0.95155856	0.04550296
0.021193878	0.95069979	0.046375146
0.021376584	0.94979726	0.047279527
0.021562467	0.94884101	0.048200494
0.021751612	0.94779519	0.049179996
0.021944104	0.94674041	0.050333155
0.022140033	0.94571433	0.051499973
0.022339493	0.94466043	0.052720448
0.02254258	0.94360751	0.054025801
0.022749392	0.94250304	0.055322374
0.022960035	0.94137581	0.056820895
0.023174614	0.94033341	0.058386733
0.023393243	0.93931778	0.059931108
0.023616036	0.93824015	0.06147841
0.023843113	0.93702021	0.063107662
0.0240746	0.93590444	0.065163251
0.024310625	0.93493517	0.067070549
0.024551324	0.9341699	0.06928321
0.024796837	0.93418311	0.071257824
0.025047311	0.93200194	0.070301736
0.025302895	0.92998375	0.075519245
0.02556375	0.93021318	0.077351422
0.025830039	0.92973139	0.079211891
0.026101934	0.92927438	0.080856752
0.026379614	0.92827033	0.081691866
0.026663266	0.92666796	0.083095754
0.026953084	0.92492164	0.08442257
0.027249272	0.92255487	0.08544695
0.027552042	0.91907853	0.086748401
0.027861615	0.91566502	0.089724956
0.028178224	0.91136474	0.090956164
0.028502112	0.90609381	0.094889783
0.028833532	0.89846937	0.096912202
0.02917275	0.88364739	0.1043892
0.02934537	0.88110284	0.1239012
0.029520045	0.88793112	0.13159576
0.029696811	0.89355378	0.13537133
0.029875708	0.89818107	0.13650595
0.030056773	0.89879658	0.13343086
0.030240046	0.89522687	0.13430597
0.030425567	0.89251099	0.13908544
0.03061338	0.89180866	0.14344052
0.030803525	0.89080204	0.14618098
0.030996047	0.88779201	0.1492668
0.031190991	0.88527917	0.15622966
0.031388402	0.883565	0.16175497
0.031588328	0.88359944	0.17069146
0.031790817	0.88376291	0.1745246
0.031995919	0.88205948	0.1819772
0.032203685	0.88196323	0.19071175
0.032414167	0.88137023	0.1982268
0.032627418	0.8816297	0.21110765
0.032843493	0.88865164	0.22572116
0.03306245	0.89521371	0.22989331
0.033284346	0.90081784	0.24244392
0.03350924	0.91061686	0.25121115
0.033737194	0.92315907	0.25999838
0.033968271	0.93714835	0.26191397
0.034202534	0.94740631	0.25999935
0.034440052	0.95632184	0.26058178
0.034680892	0.96278131	0.2561311
0.034925123	0.96710314	0.25730572
0.035172819	0.97168736	0.25676524
0.035424054	0.977848	0.26016228
0.035678903	0.98431909	0.25729694
0.035937446	0.98706505	0.25594086
0.036199763	0.9894499	0.2577184
0.036465937	0.99313336	0.26029788
0.036736056	0.99617465	0.2622364
0.037010205	1.0025302	0.27015632
0.037288477	1.0114434	0.27082949
0.037570966	1.0202488	0.2736119
0.037857767	1.0291544	0.27146948
0.038148981	1.0353029	0.26975633
0.038444709	1.0404605	0.26987242
0.038745059	1.0478437	0.27304312
0.039050138	1.0582301	0.27382751
0.03936006	1.0692638	0.27222459
0.03967494	1.0801707	0.26907731
0.039994899	1.093038	0.26575539
0.040320061	1.1047532	0.25461306
0.040650553	1.1150124	0.24535852
0.040986508	1.1226715	0.22725041
0.041328062	1.1214489	0.20817841
0.041675357	1.1121981	0.1933288
0.042028538	1.1008189	0.18879226
0.042387756	1.0923312	0.18873762
0.042753168	1.0868075	0.19131711
0.043124935	1.0844801	0.19496293
0.043503224	1.0834382	0.19690535
0.043888208	1.0825126	0.20025751
0.044280067	1.0830893	0.20503893
0.044678986	1.0854696	0.21046521
0.045085159	1.0919519	0.21822318
0.045498784	1.1039085	0.22239387
0.045920069	1.1180652	0.2196378
0.046349229	1.1272995	0.2079989
0.046786486	1.129041	0.19836875
0.047232071	1.127537	0.19314734
0.047686226	1.1270016	0.19327904
0.048149199	1.1298044	0.19487805
0.04862125	1.1351874	0.19599024
0.049102648	1.1424245	0.19662438
0.049593675	1.1521186	0.19715022
0.050094621	1.1646402	0.1961356
0.050605791	1.1833475	0.19535805
0.0511275	1.2110157	0.1849962
0.051660078	1.2398183	0.15290969
0.052203868	1.239602	0.089991958
0.052759229	1.2092624	0.05661259
0.053326532	1.180164	0.046444716
0.053906168	1.1593402	0.04299233
0.058401978	1.0851901	0.035
0.067202251	1.0116387	0.048
0.07350247	0.96332144	0.052
0.083402802	0.90987679	0.106
0.087902996	0.88729666	0.101
0.092003087	0.85499989	0.118
0.098603303	0.80355619	0.143
0.104803563	0.75456941	0.19
0.113503813	0.69259413	0.26
0.120004014	0.65576016	0.343
0.124404201	0.6403636	0.395
0.132004448	0.63672641	0.505
0.135704585	0.64554849	0.548
0.141204773	0.67076	0.621
0.152502076	0.75338079	0.715
0.17710598	0.82491888	0.73
0.206606976	0.79055764	0.82

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: —

Yb (Ytterbium): all datasets

Larruquert et al. 2003: n,k 0.000730–0.207 µm n,k 0.0007302–0.2066 µm default

About Yb (Ytterbium)

Ytterbium (Yb) is a soft, malleable, and ductile chemical element with the symbol Yb and atomic number 70. It belongs to the lanthanide series of the periodic table and is typically silvery-white in its metallic form. While Yb is found in certain minerals such as monazite and euxenite, it is primarily obtained through the mining and processing of ytterbium-containing ores. Ytterbium has several isotopes, both stable and radioactive. In the realm of photonics and laser technology, ytterbium-doped materials, especially fibers and crystals, have gained prominence due to their efficiency and broad tunability, with applications ranging from high-power continuous wave lasers to ultrafast pulse generation. Ytterbium is also used in atomic clocks due to its sharp electron transition frequencies, making these clocks remarkably precise.

More about Yb (Ytterbium) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/Yb/nk/Larruquert.yml
ID: ds_d8d08ee073ff
API: /v1/datasets/ds_d8d08ee073ff

Plot