Nb-Sn (Niobium-tin alloy)
7 datasets, together covering 1–10 µm. Default: Golovashkin et al. 1971: n,k 1–9 µm; 6 wt% Sn.
Compare datasets
Tick datasets in the list to add them to the plot (up to 12).
Datasets
- Golovashkin et al. 1971: n,k 1–9 µm; 6 wt% Sn
- Golovashkin et al. 1971: n,k 1–10 µm; 22 wt% Sn
- Golovashkin et al. 1971: n,k 1–10 µm; 28 wt% Sn
- Golovashkin et al. 1971: n,k 1–9 µm; 30 wt% Sn
- Golovashkin et al. 1971: n,k 1–8 µm; 34 wt% Sn
- Golovashkin et al. 1971: n,k 1–8 µm; 40 wt% Sn
- Golovashkin et al. 1971: n,k 1–8 µm; 55 wt% Sn
Use it in Lightsmith
Load this data in Python, simulate in one more line
pip install lightsmith
import lightsmith as ls
# Nb-Sn (Niobium-tin alloy): Golovashkin et al. 1971: n,k 1–9 µm; 6 wt% Sn
nb_sn = ls.fetch_refractiveindex("other", "Nb-Sn", "Golovashkin-06", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(nb_sn.range_nm) # (1000, 9000) nm
eps = nb_sn.eps([3000]) # 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_cadd97703d7b/lightsmith"
nb_sn = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(nb_sn.source) # citation and provenance travel with the data
Any dataset here, as the library's Tabulated material (nb-sn/golovashkin-1971-06).
# ... load nb_sn as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=nb_sn)],
medium_index=1.0,
wavelengths=ls.WavelengthRange(start_nm=1000, stop_nm=9000, 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"]).
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.
About Nb-Sn (Niobium-tin alloy)
Other names: Niobium-tin alloy, Niobium stannide, Triniobium-tin
API: /v1/materials/mat_a96d9a0754c3 · slug nb-sn