Optical constants
Refractive index of As2S3 (Arsenic trisulfide)
Slavich et al. 2024: n(γ) 0.500–0.900 µm
- Data
- tabulated n
- Range
- 0.5–0.9 µm
- Points
- 401
- Optical axis
- gamma
- State
- crystalline
- Licence
- CC0-1.0
Plot
Click the plot to set the calculator wavelength.
At one wavelength
- Refractive index n
- 3.22834
- Extinction coefficient k
- 0
- Permittivity ε1
- 10.4222
- Permittivity ε2
- 0
- Absorption coefficient α
- 0 cm⁻¹
- Penetration depth δ = λ/(2πk)
- — nm
- Abbe number Vd
- —
- Chromatic dispersion dn/dλ
- -1.4 µm⁻¹
- Group index ng
- 4.05098
- Group velocity dispersion
- — fs²/mm
- Dispersion parameter D
- — ps/(nm·km)
- Photon energy
- 2.11001 eV
ε = (n + ik)², α = 4πk/λ, ng = 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
# As2S3 (Arsenic trisulfide): Slavich et al. 2024: n(γ) 0.500–0.900 µm
as2s3 = ls.fetch_refractiveindex("main", "As2S3", "Slavich-gamma", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(as2s3.range_nm) # (500, 900) nm
eps = as2s3.eps([633]) # complex permittivityDownloads 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_aad4bb439173/lightsmith"
as2s3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(as2s3.source) # citation and provenance travel with the dataAny dataset here, as the library's Tabulated material (as2s3/slavich-2024-gamma).
# ... load as2s3 as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=as2s3)],
medium_index=1.0,
wavelengths=ls.WavelengthRange(start_nm=500, stop_nm=900, num=81),
)
res = ls.solve(sim) # exact Mie for a sphere
print(res.q_ext) # extinction efficiency at each wavelengthSame spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).
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
Conditions
- direction
- gamma
References
A. S. Slavich, G. A. Ermolaev, M. K. Tatmyshevskiy, A. N. Toksumakov, O. G. Matveeva, D. V. Grudinin, K. V. Voronin, A. Mazitov, K. V. Kravtsov, A. V. Syuy, D. M. Tsymbarenko, M. S. Mironov, S. M. Novikov, I. Kruglov, D. A. Ghazaryan, A. A. Vyshnevyy, A. V. Arsenin, V. S. Volkov, K. S Novoselov.
Exploring van der Waals materials with high anisotropy: geometrical and optical approaches.
Light Sci. Appl., 13, 68 (2024)
(Numerical data kindly provided by Georgy Ermolaev)
- doi:10.1038/s41377-024-01407-3 Exploring van der Waals materials with high anisotropy: geometrical and optical approaches, Light: Science & Applications (2024)
Cite
Aleksandr S. Slavich et al.. Exploring van der Waals materials with high anisotropy: geometrical and optical approaches. Light: Science & Applications, 13, 68 (2024), doi:10.1038/s41377-024-01407-3; Data from the refractiveindex.info database (M. N. Polyanskiy, Sci. Data 11, 94 (2024), doi:10.1038/s41597-023-02898-2)
Data
401 rows as published
CSV comma separated
TXT tab separated
YAML n, k
Full database record original YAML
All quantities CSV
JSON metadata
| λ (µm) | n |
|---|---|
| 0.5 | 3.38498 |
| 0.501 | 3.38272 |
| 0.502 | 3.38047 |
| 0.503 | 3.37823 |
| 0.504 | 3.376 |
| 0.505 | 3.37379 |
| 0.506 | 3.3716 |
| 0.507 | 3.36941 |
| 0.508 | 3.36724 |
| 0.509 | 3.36508 |
| 0.51 | 3.36294 |
| 0.511 | 3.3608 |
| 0.512 | 3.35868 |
| 0.513 | 3.35657 |
| 0.514 | 3.35448 |
| 0.515 | 3.35239 |
| 0.516 | 3.35032 |
| 0.517 | 3.34826 |
| 0.518 | 3.34621 |
| 0.519 | 3.34418 |
| 0.52 | 3.34215 |
| 0.521 | 3.34014 |
| 0.522 | 3.33814 |
| 0.523 | 3.33615 |
| 0.524 | 3.33417 |
| 0.525 | 3.3322 |
| 0.526 | 3.33025 |
| 0.527 | 3.3283 |
| 0.528 | 3.32637 |
| 0.529 | 3.32445 |
| 0.53 | 3.32253 |
| 0.531 | 3.32063 |
| 0.532 | 3.31874 |
| 0.533 | 3.31686 |
| 0.534 | 3.31499 |
| 0.535 | 3.31313 |
| 0.536 | 3.31129 |
| 0.537 | 3.30945 |
| 0.538 | 3.30762 |
| 0.539 | 3.3058 |
| 0.54 | 3.30399 |
| 0.541 | 3.3022 |
| 0.542 | 3.30041 |
| 0.543 | 3.29863 |
| 0.544 | 3.29686 |
| 0.545 | 3.2951 |
| 0.546 | 3.29336 |
| 0.547 | 3.29162 |
| 0.548 | 3.28989 |
| 0.549 | 3.28817 |
| 0.55 | 3.28646 |
| 0.551 | 3.28476 |
| 0.552 | 3.28306 |
| 0.553 | 3.28138 |
| 0.554 | 3.27971 |
| 0.555 | 3.27804 |
| 0.556 | 3.27639 |
| 0.557 | 3.27474 |
| 0.558 | 3.2731 |
| 0.559 | 3.27147 |
| 0.56 | 3.26985 |
| 0.561 | 3.26824 |
| 0.562 | 3.26664 |
| 0.563 | 3.26504 |
| 0.564 | 3.26345 |
| 0.565 | 3.26188 |
| 0.566 | 3.26031 |
| 0.567 | 3.25875 |
| 0.568 | 3.25719 |
| 0.569 | 3.25565 |
| 0.57 | 3.25411 |
| 0.571 | 3.25258 |
| 0.572 | 3.25106 |
| 0.573 | 3.24955 |
| 0.574 | 3.24804 |
| 0.575 | 3.24655 |
| 0.576 | 3.24506 |
| 0.577 | 3.24358 |
| 0.578 | 3.2421 |
| 0.579 | 3.24064 |
| 0.58 | 3.23918 |
| 0.581 | 3.23773 |
| 0.582 | 3.23628 |
| 0.583 | 3.23485 |
| 0.584 | 3.23342 |
| 0.585 | 3.232 |
| 0.586 | 3.23058 |
| 0.587 | 3.22918 |
| 0.588 | 3.22778 |
| 0.589 | 3.22638 |
| 0.59 | 3.225 |
| 0.591 | 3.22362 |
| 0.592 | 3.22225 |
| 0.593 | 3.22088 |
| 0.594 | 3.21953 |
| 0.595 | 3.21818 |
| 0.596 | 3.21683 |
| 0.597 | 3.21549 |
| 0.598 | 3.21416 |
| 0.599 | 3.21284 |
| 0.6 | 3.21152 |
| 0.601 | 3.21021 |
| 0.602 | 3.20891 |
| 0.603 | 3.20761 |
| 0.604 | 3.20632 |
| 0.605 | 3.20503 |
| 0.606 | 3.20375 |
| 0.607 | 3.20248 |
| 0.608 | 3.20122 |
| 0.609 | 3.19996 |
| 0.61 | 3.1987 |
| 0.611 | 3.19746 |
| 0.612 | 3.19621 |
| 0.613 | 3.19498 |
| 0.614 | 3.19375 |
| 0.615 | 3.19253 |
| 0.616 | 3.19131 |
| 0.617 | 3.1901 |
| 0.618 | 3.18889 |
| 0.619 | 3.18769 |
| 0.62 | 3.1865 |
| 0.621 | 3.18531 |
| 0.622 | 3.18413 |
| 0.623 | 3.18295 |
| 0.624 | 3.18178 |
| 0.625 | 3.18062 |
| 0.626 | 3.17946 |
| 0.627 | 3.1783 |
| 0.628 | 3.17715 |
| 0.629 | 3.17601 |
| 0.63 | 3.17487 |
| 0.631 | 3.17374 |
| 0.632 | 3.17261 |
| 0.633 | 3.17149 |
| 0.634 | 3.17037 |
| 0.635 | 3.16926 |
| 0.636 | 3.16816 |
| 0.637 | 3.16706 |
| 0.638 | 3.16596 |
| 0.639 | 3.16487 |
| 0.64 | 3.16378 |
| 0.641 | 3.1627 |
| 0.642 | 3.16163 |
| 0.643 | 3.16056 |
| 0.644 | 3.15949 |
| 0.645 | 3.15843 |
| 0.646 | 3.15738 |
| 0.647 | 3.15633 |
| 0.648 | 3.15528 |
| 0.649 | 3.15424 |
| 0.65 | 3.15321 |
| 0.651 | 3.15217 |
| 0.652 | 3.15115 |
| 0.653 | 3.15013 |
| 0.654 | 3.14911 |
| 0.655 | 3.1481 |
| 0.656 | 3.14709 |
| 0.657 | 3.14609 |
| 0.658 | 3.14509 |
| 0.659 | 3.14409 |
| 0.66 | 3.1431 |
| 0.661 | 3.14212 |
| 0.662 | 3.14114 |
| 0.663 | 3.14016 |
| 0.664 | 3.13919 |
| 0.665 | 3.13822 |
| 0.666 | 3.13726 |
| 0.667 | 3.1363 |
| 0.668 | 3.13535 |
| 0.669 | 3.1344 |
| 0.67 | 3.13345 |
| 0.671 | 3.13251 |
| 0.672 | 3.13157 |
| 0.673 | 3.13064 |
| 0.674 | 3.12971 |
| 0.675 | 3.12878 |
| 0.676 | 3.12786 |
| 0.677 | 3.12695 |
| 0.678 | 3.12603 |
| 0.679 | 3.12513 |
| 0.68 | 3.12422 |
| 0.681 | 3.12332 |
| 0.682 | 3.12242 |
| 0.683 | 3.12153 |
| 0.684 | 3.12064 |
| 0.685 | 3.11976 |
| 0.686 | 3.11888 |
| 0.687 | 3.118 |
| 0.688 | 3.11712 |
| 0.689 | 3.11625 |
| 0.69 | 3.11539 |
| 0.691 | 3.11453 |
| 0.692 | 3.11367 |
| 0.693 | 3.11281 |
| 0.694 | 3.11196 |
| 0.695 | 3.11112 |
| 0.696 | 3.11027 |
| 0.697 | 3.10943 |
| 0.698 | 3.10859 |
| 0.699 | 3.10776 |
| 0.7 | 3.10693 |
| 0.701 | 3.10611 |
| 0.702 | 3.10528 |
| 0.703 | 3.10447 |
| 0.704 | 3.10365 |
| 0.705 | 3.10284 |
| 0.706 | 3.10203 |
| 0.707 | 3.10123 |
| 0.708 | 3.10042 |
| 0.709 | 3.09963 |
| 0.71 | 3.09883 |
| 0.711 | 3.09804 |
| 0.712 | 3.09725 |
| 0.713 | 3.09647 |
| 0.714 | 3.09569 |
| 0.715 | 3.09491 |
| 0.716 | 3.09413 |
| 0.717 | 3.09336 |
| 0.718 | 3.09259 |
| 0.719 | 3.09183 |
| 0.72 | 3.09107 |
| 0.721 | 3.09031 |
| 0.722 | 3.08955 |
| 0.723 | 3.0888 |
| 0.724 | 3.08805 |
| 0.725 | 3.0873 |
| 0.726 | 3.08656 |
| 0.727 | 3.08582 |
| 0.728 | 3.08508 |
| 0.729 | 3.08435 |
| 0.73 | 3.08362 |
| 0.731 | 3.08289 |
| 0.732 | 3.08216 |
| 0.733 | 3.08144 |
| 0.734 | 3.08072 |
| 0.735 | 3.08001 |
| 0.736 | 3.07929 |
| 0.737 | 3.07858 |
| 0.738 | 3.07787 |
| 0.739 | 3.07717 |
| 0.74 | 3.07647 |
| 0.741 | 3.07577 |
| 0.742 | 3.07507 |
| 0.743 | 3.07438 |
| 0.744 | 3.07369 |
| 0.745 | 3.073 |
| 0.746 | 3.07232 |
| 0.747 | 3.07163 |
| 0.748 | 3.07095 |
| 0.749 | 3.07028 |
| 0.75 | 3.0696 |
| 0.751 | 3.06893 |
| 0.752 | 3.06826 |
| 0.753 | 3.0676 |
| 0.754 | 3.06693 |
| 0.755 | 3.06627 |
| 0.756 | 3.06561 |
| 0.757 | 3.06496 |
| 0.758 | 3.0643 |
| 0.759 | 3.06365 |
| 0.76 | 3.06301 |
| 0.761 | 3.06236 |
| 0.762 | 3.06172 |
| 0.763 | 3.06108 |
| 0.764 | 3.06044 |
| 0.765 | 3.05981 |
| 0.766 | 3.05917 |
| 0.767 | 3.05854 |
| 0.768 | 3.05791 |
| 0.769 | 3.05729 |
| 0.77 | 3.05667 |
| 0.771 | 3.05605 |
| 0.772 | 3.05543 |
| 0.773 | 3.05481 |
| 0.774 | 3.0542 |
| 0.775 | 3.05359 |
| 0.776 | 3.05298 |
| 0.777 | 3.05237 |
| 0.778 | 3.05177 |
| 0.779 | 3.05117 |
| 0.78 | 3.05057 |
| 0.781 | 3.04997 |
| 0.782 | 3.04938 |
| 0.783 | 3.04878 |
| 0.784 | 3.04819 |
| 0.785 | 3.04761 |
| 0.786 | 3.04702 |
| 0.787 | 3.04644 |
| 0.788 | 3.04586 |
| 0.789 | 3.04528 |
| 0.79 | 3.0447 |
| 0.791 | 3.04412 |
| 0.792 | 3.04355 |
| 0.793 | 3.04298 |
| 0.794 | 3.04241 |
| 0.795 | 3.04185 |
| 0.796 | 3.04128 |
| 0.797 | 3.04072 |
| 0.798 | 3.04016 |
| 0.799 | 3.03961 |
| 0.8 | 3.03905 |
| 0.801 | 3.0385 |
| 0.802 | 3.03795 |
| 0.803 | 3.0374 |
| 0.804 | 3.03685 |
| 0.805 | 3.0363 |
| 0.806 | 3.03576 |
| 0.807 | 3.03522 |
| 0.808 | 3.03468 |
| 0.809 | 3.03414 |
| 0.81 | 3.03361 |
| 0.811 | 3.03308 |
| 0.812 | 3.03254 |
| 0.813 | 3.03202 |
| 0.814 | 3.03149 |
| 0.815 | 3.03096 |
| 0.816 | 3.03044 |
| 0.817 | 3.02992 |
| 0.818 | 3.0294 |
| 0.819 | 3.02888 |
| 0.82 | 3.02836 |
| 0.821 | 3.02785 |
| 0.822 | 3.02734 |
| 0.823 | 3.02683 |
| 0.824 | 3.02632 |
| 0.825 | 3.02581 |
| 0.826 | 3.02531 |
| 0.827 | 3.02481 |
| 0.828 | 3.02431 |
| 0.829 | 3.02381 |
| 0.83 | 3.02331 |
| 0.831 | 3.02281 |
| 0.832 | 3.02232 |
| 0.833 | 3.02183 |
| 0.834 | 3.02134 |
| 0.835 | 3.02085 |
| 0.836 | 3.02036 |
| 0.837 | 3.01988 |
| 0.838 | 3.0194 |
| 0.839 | 3.01891 |
| 0.84 | 3.01843 |
| 0.841 | 3.01796 |
| 0.842 | 3.01748 |
| 0.843 | 3.017 |
| 0.844 | 3.01653 |
| 0.845 | 3.01606 |
| 0.846 | 3.01559 |
| 0.847 | 3.01512 |
| 0.848 | 3.01466 |
| 0.849 | 3.01419 |
| 0.85 | 3.01373 |
| 0.851 | 3.01327 |
| 0.852 | 3.01281 |
| 0.853 | 3.01235 |
| 0.854 | 3.01189 |
| 0.855 | 3.01144 |
| 0.856 | 3.01099 |
| 0.857 | 3.01053 |
| 0.858 | 3.01008 |
| 0.859 | 3.00963 |
| 0.86 | 3.00919 |
| 0.861 | 3.00874 |
| 0.862 | 3.0083 |
| 0.863 | 3.00786 |
| 0.864 | 3.00741 |
| 0.865 | 3.00698 |
| 0.866 | 3.00654 |
| 0.867 | 3.0061 |
| 0.868 | 3.00567 |
| 0.869 | 3.00523 |
| 0.87 | 3.0048 |
| 0.871 | 3.00437 |
| 0.872 | 3.00394 |
| 0.873 | 3.00352 |
| 0.874 | 3.00309 |
| 0.875 | 3.00266 |
| 0.876 | 3.00224 |
| 0.877 | 3.00182 |
| 0.878 | 3.0014 |
| 0.879 | 3.00098 |
| 0.88 | 3.00056 |
| 0.881 | 3.00015 |
| 0.882 | 2.99973 |
| 0.883 | 2.99932 |
| 0.884 | 2.99891 |
| 0.885 | 2.9985 |
| 0.886 | 2.99809 |
| 0.887 | 2.99768 |
| 0.888 | 2.99728 |
| 0.889 | 2.99687 |
| 0.89 | 2.99647 |
| 0.891 | 2.99607 |
| 0.892 | 2.99567 |
| 0.893 | 2.99527 |
| 0.894 | 2.99487 |
| 0.895 | 2.99447 |
| 0.896 | 2.99408 |
| 0.897 | 2.99368 |
| 0.898 | 2.99329 |
| 0.899 | 2.9929 |
| 0.9 | 2.99251 |
Optical transmission calculator
Free-standing sample in vacuum, normal incidence- Transmittance T
- —
- Reflectance R
- —
Fresnel reflection calculator
- Rp
- —
- Rs
- —
- R = (Rp+Rs)/2
- —
- Phase φp
- —
- Phase φs
- —
- Brewster angle θB
- —
- Critical angle θC
- —
γ-axis.