Refractive index of Loctite 3526

import lightsmith as ls

# Loctite 3526: Iezzi et al. 2020: n 0.300–1.00 µm
loctite_3526 = ls.fetch_refractiveindex("other", "Loctite-3526", "Iezzi", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(loctite_3526.range_nm)  # (300, 1000) nm
eps = loctite_3526.eps([633])  # complex permittivity

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_06aefeaec5a9/lightsmith"
loctite_3526 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(loctite_3526.source)  # citation and provenance travel with the data

# ... load loctite_3526 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=loctite_3526)],
    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