Optical constants

Refractive index of Ag₃AsS₃ (Silver arsenic sulfide)

Hulme et al. 1967: n(o) 0.63–4.6 µm

Data: formula 4
Range: 0.63–4.6 µm
Temperature: 293 K
Optical axis: o
Licence: CC0-1.0

Uniaxial crystal, axes: oe

Axis Log x Log y

Click the plot to set the calculator wavelength.

At one wavelength

Refractive index n: 2.76528
Extinction coefficient k: 0

Permittivity ε₁: 7.64679
Permittivity ε₂: 0

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

Abbe number V_d: —
Chromatic dispersion dn/dλ: -0.0383362 µm⁻¹

Group index n_g: 2.83046
Group velocity dispersion: 584.504 fs²/mm

Dispersion parameter D: -380.97 ps/(nm·km)
Photon energy: 0.729319 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

# Ag3AsS3 (Silver arsenic sulfide): Hulme et al. 1967: n(o) 0.63–4.6 µm
ag3ass3 = ls.fetch_refractiveindex("main", "Ag3AsS3", "Hulme-o", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(ag3ass3.range_nm)  # (630, 4600) nm
eps = ag3ass3.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_a56be84c5520/lightsmith"
ag3ass3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(ag3ass3.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (ag3ass3/hulme-1967-o).

# ... load ag3ass3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=ag3ass3)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=630, 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

RefractiveIndex.INFO (formula 4), λ in µm

n^{2} = 7.483 + \frac{0.474 λ^{0.0}}{λ^{2} - {0.09}^{1.0}} - 0.0019 λ^{2.0}

Valid from 0.63 to 4.6 µm.

Coefficients as stored

C_i	Value
C1	7.483
C2	0.474
C3	0.0
C4	0.09
C5	1.0
C6	0.0
C7	0.0
C8	0.0
C9	1.0
C10	-0.0019
C11	2.0

Comments and conditions

Ordinary ray (o), 20 °C

Conditions

temperature: 293 K
direction: o

References

K. F. Hulme, O. Jones, P. H. Davies, M. V. Hobden. Synthetic proustite (Ag₃AsS₃): a new crystal for optical mixing. Appl. Phys. Lett. 10, 133-135 (1967)

doi:10.1063/1.1754880 SYNTHETIC PROUSTITE (Ag3AsS3): A NEW CRYSTAL FOR OPTICAL MIXING, Applied Physics Letters (1967)

Cite

K. F. Hulme, O. Jones, P. H. Davies and M. V. Hobden. SYNTHETIC PROUSTITE (Ag3AsS3): A NEW CRYSTAL FOR OPTICAL MIXING. Applied Physics Letters, 10, 133-135 (1967), doi:10.1063/1.1754880; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)

Data

Computed on 400 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

Ag3AsS3 (Silver arsenic sulfide), Hulme et al. 1967: n(o) 0.63–4.6 µm: n and k versus wavelength
λ (µm)	n
0.63	3.004451
0.633147	3.001161
0.63631	2.997919
0.639488	2.994724
0.642682	2.991575
0.645893	2.988472
0.649119	2.985412
0.652361	2.982397
0.65562	2.979424
0.658895	2.976493
0.662186	2.973604
0.665494	2.970755
0.668818	2.967946
0.672159	2.965176
0.675516	2.962444
0.678891	2.95975
0.682282	2.957094
0.68569	2.954474
0.689115	2.95189
0.692557	2.949341
0.696017	2.946826
0.699493	2.944346
0.702987	2.9419
0.706499	2.939486
0.710028	2.937105
0.713575	2.934755
0.717139	2.932437
0.720721	2.93015
0.724321	2.927893
0.727939	2.925666
0.731575	2.923468
0.73523	2.921299
0.738902	2.919159
0.742593	2.917047
0.746303	2.914962
0.75003	2.912904
0.753777	2.910873
0.757542	2.908868
0.761326	2.906889
0.765129	2.904935
0.768951	2.903006
0.772792	2.901102
0.776652	2.899222
0.780532	2.897367
0.784431	2.895534
0.788349	2.893725
0.792287	2.891939
0.796244	2.890175
0.800222	2.888433
0.804219	2.886713
0.808236	2.885015
0.812273	2.883337
0.816331	2.881681
0.820408	2.880045
0.824506	2.878429
0.828625	2.876834
0.832764	2.875258
0.836924	2.873701
0.841104	2.872163
0.845306	2.870644
0.849528	2.869144
0.853772	2.867662
0.858036	2.866198
0.862322	2.864752
0.86663	2.863323
0.870959	2.861911
0.875309	2.860517
0.879681	2.859139
0.884076	2.857778
0.888492	2.856433
0.89293	2.855104
0.89739	2.853791
0.901873	2.852493
0.906378	2.851211
0.910905	2.849944
0.915455	2.848692
0.920028	2.847455
0.924624	2.846233
0.929242	2.845025
0.933884	2.843831
0.938549	2.842651
0.943237	2.841485
0.947948	2.840332
0.952684	2.839193
0.957442	2.838067
0.962225	2.836954
0.967031	2.835855
0.971862	2.834767
0.976716	2.833693
0.981595	2.832631
0.986498	2.831581
0.991426	2.830543
0.996378	2.829517
1.00136	2.828502
1.00636	2.8275
1.01138	2.826509
1.01644	2.825529
1.02151	2.82456
1.02662	2.823602
1.03174	2.822655
1.0369	2.821719
1.04208	2.820794
1.04728	2.819878
1.05251	2.818974
1.05777	2.818079
1.06305	2.817194
1.06836	2.81632
1.0737	2.815455
1.07906	2.8146
1.08445	2.813754
1.08987	2.812918
1.09532	2.812091
1.10079	2.811273
1.10629	2.810465
1.11181	2.809665
1.11737	2.808874
1.12295	2.808092
1.12856	2.807319
1.13419	2.806554
1.13986	2.805798
1.14555	2.80505
1.15127	2.80431
1.15703	2.803578
1.1628	2.802854
1.16861	2.802138
1.17445	2.80143
1.18032	2.80073
1.18621	2.800037
1.19214	2.799352
1.19809	2.798674
1.20408	2.798004
1.21009	2.797341
1.21614	2.796685
1.22221	2.796036
1.22832	2.795394
1.23445	2.794759
1.24062	2.794131
1.24682	2.79351
1.25304	2.792895
1.2593	2.792287
1.26559	2.791685
1.27191	2.79109
1.27827	2.790501
1.28465	2.789919
1.29107	2.789342
1.29752	2.788772
1.304	2.788208
1.31051	2.78765
1.31706	2.787097
1.32364	2.786551
1.33025	2.78601
1.3369	2.785475
1.34357	2.784946
1.35028	2.784422
1.35703	2.783904
1.36381	2.783391
1.37062	2.782884
1.37747	2.782382
1.38435	2.781885
1.39126	2.781393
1.39821	2.780907
1.4052	2.780425
1.41222	2.779949
1.41927	2.779477
1.42636	2.77901
1.43348	2.778549
1.44064	2.778092
1.44784	2.777639
1.45507	2.777192
1.46234	2.776749
1.46965	2.77631
1.47699	2.775876
1.48436	2.775447
1.49178	2.775021
1.49923	2.774601
1.50672	2.774184
1.51425	2.773772
1.52181	2.773364
1.52941	2.77296
1.53705	2.77256
1.54473	2.772164
1.55244	2.771773
1.5602	2.771385
1.56799	2.771001
1.57582	2.770621
1.5837	2.770245
1.59161	2.769873
1.59956	2.769504
1.60755	2.769139
1.61558	2.768778
1.62365	2.76842
1.63176	2.768066
1.63991	2.767715
1.6481	2.767368
1.65633	2.767024
1.66461	2.766684
1.67292	2.766347
1.68128	2.766014
1.68968	2.765683
1.69812	2.765356
1.7066	2.765032
1.71512	2.764712
1.72369	2.764394
1.7323	2.76408
1.74095	2.763768
1.74965	2.76346
1.75839	2.763155
1.76717	2.762852
1.776	2.762553
1.78487	2.762256
1.79379	2.761963
1.80275	2.761672
1.81175	2.761384
1.8208	2.761098
1.8299	2.760816
1.83904	2.760536
1.84822	2.760258
1.85746	2.759984
1.86673	2.759712
1.87606	2.759442
1.88543	2.759175
1.89485	2.758911
1.90431	2.758649
1.91382	2.75839
1.92338	2.758132
1.93299	2.757878
1.94265	2.757625
1.95235	2.757376
1.9621	2.757128
1.9719	2.756883
1.98175	2.756639
1.99165	2.756399
2.0016	2.75616
2.0116	2.755923
2.02165	2.755689
2.03175	2.755457
2.0419	2.755227
2.05209	2.754999
2.06235	2.754773
2.07265	2.754549
2.083	2.754327
2.0934	2.754107
2.10386	2.753888
2.11437	2.753672
2.12493	2.753458
2.13555	2.753246
2.14621	2.753035
2.15693	2.752827
2.16771	2.75262
2.17854	2.752415
2.18942	2.752211
2.20036	2.75201
2.21135	2.75181
2.22239	2.751612
2.23349	2.751415
2.24465	2.751221
2.25586	2.751027
2.26713	2.750836
2.27845	2.750646
2.28984	2.750458
2.30127	2.750271
2.31277	2.750085
2.32432	2.749902
2.33593	2.749719
2.3476	2.749539
2.35933	2.749359
2.37111	2.749181
2.38296	2.749005
2.39486	2.74883
2.40682	2.748656
2.41884	2.748484
2.43093	2.748313
2.44307	2.748143
2.45527	2.747975
2.46754	2.747808
2.47986	2.747642
2.49225	2.747478
2.5047	2.747314
2.51721	2.747152
2.52978	2.746991
2.54242	2.746832
2.55512	2.746673
2.56788	2.746516
2.58071	2.74636
2.5936	2.746205
2.60656	2.746051
2.61958	2.745898
2.63266	2.745746
2.64581	2.745595
2.65903	2.745445
2.67231	2.745297
2.68566	2.745149
2.69907	2.745002
2.71256	2.744857
2.72611	2.744712
2.73972	2.744568
2.75341	2.744425
2.76716	2.744283
2.78098	2.744142
2.79488	2.744002
2.80884	2.743863
2.82287	2.743724
2.83697	2.743587
2.85114	2.74345
2.86538	2.743314
2.87969	2.743179
2.89408	2.743045
2.90853	2.742911
2.92306	2.742778
2.93766	2.742646
2.95234	2.742515
2.96708	2.742384
2.98191	2.742254
2.9968	2.742125
3.01177	2.741997
3.02681	2.741869
3.04193	2.741741
3.05713	2.741615
3.0724	2.741489
3.08775	2.741364
3.10317	2.741239
3.11867	2.741115
3.13425	2.740991
3.1499	2.740868
3.16564	2.740746
3.18145	2.740624
3.19734	2.740503
3.21331	2.740382
3.22937	2.740261
3.2455	2.740141
3.26171	2.740022
3.278	2.739903
3.29437	2.739785
3.31083	2.739667
3.32737	2.739549
3.34399	2.739432
3.36069	2.739315
3.37748	2.739199
3.39435	2.739082
3.41131	2.738967
3.42835	2.738852
3.44547	2.738737
3.46268	2.738622
3.47998	2.738508
3.49736	2.738394
3.51483	2.73828
3.53239	2.738167
3.55003	2.738053
3.56776	2.73794
3.58559	2.737828
3.6035	2.737715
3.6215	2.737603
3.63959	2.737491
3.65777	2.73738
3.67604	2.737268
3.6944	2.737157
3.71285	2.737046
3.7314	2.736935
3.75004	2.736824
3.76877	2.736713
3.7876	2.736602
3.80652	2.736492
3.82553	2.736381
3.84464	2.736271
3.86384	2.736161
3.88314	2.736051
3.90254	2.735941
3.92203	2.735831
3.94162	2.735721
3.96131	2.735611
3.9811	2.735501
4.00099	2.735391
4.02097	2.735281
4.04106	2.735171
4.06124	2.735061
4.08153	2.734951
4.10192	2.734841
4.12241	2.734731
4.143	2.73462
4.16369	2.73451
4.18449	2.7344
4.20539	2.734289
4.2264	2.734178
4.24751	2.734068
4.26873	2.733957
4.29005	2.733846
4.31148	2.733735
4.33302	2.733623
4.35466	2.733512
4.37641	2.7334
4.39827	2.733288
4.42024	2.733176
4.44232	2.733063
4.46451	2.73295
4.48681	2.732838
4.50923	2.732724
4.53175	2.732611
4.55439	2.732497
4.57714	2.732383
4.6	2.732269

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: —

Ag₃AsS₃ (Silver arsenic sulfide): all datasets

About Ag3AsS3 (Silver arsenic sulfide)

Ag₃AsS₃ is a ternary chalcogenide compound with a crystalline structure that exhibits nonlinear optical properties and semiconducting behavior. Composed of silver (Ag), arsenic (As), and sulfur (S), this material belongs to a class of compounds that has been studied for its potential applications in optoelectronic devices, photodetectors, and as waveguide materials in the mid-infrared spectrum. Its electronic structure gives rise to specific optical characteristics, such as a defined bandgap energy and a high refractive index, which are crucial for its applicability in photonic and electronic systems. In the realm of nonlinear optics, Ag₃AsS₃ has been explored for its second- and third-harmonic generation capabilities. Due to the presence of arsenic, the material requires careful handling and processing protocols to mitigate toxicity risks. Rigorous spectroscopic and computational analyses are often performed to understand its electronic and optical behavior under varying conditions of temperature and pressure. Overall, Ag₃AsS₃ remains an intriguing subject of study in material science, offering a unique combination of properties that may prove pivotal for future advancements in optoelectronics and photonics. Minerals: Proustite, Xanthoconite.

Proustite - Wikipedia

More about Ag3AsS3 (Silver arsenic sulfide) →

Provenance

Version: 1 (snapshot c5c2f18)
Source page: refractiveindex.info
Original file: database/data/main/Ag3AsS3/nk/Hulme-o.yml
ID: ds_a56be84c5520
API: /v1/datasets/ds_a56be84c5520

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