Refractive index of H₂O:C₃H₅(OH)₃ (Water:Glycerol)

import lightsmith as ls

# H2O:C3H5(OH)3 (Water:Glycerol): Gupta et al. 2022: n 0.40–0.71 µm; 0 wt% glycerol
h2o_c3h5_oh_3 = ls.fetch_refractiveindex("other", "H2O-C3H5_OH_3", "Gupta-0", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(h2o_c3h5_oh_3.range_nm)  # (400, 710) nm
eps = h2o_c3h5_oh_3.eps([633])  # complex permittivity

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_7988160b7cb2/lightsmith"
h2o_c3h5_oh_3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(h2o_c3h5_oh_3.source)  # citation and provenance travel with the data

# ... load h2o_c3h5_oh_3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=h2o_c3h5_oh_3)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=400, stop_nm=710, num=81),
)
res = ls.solve(sim)  # exact Mie for a sphere
print(res.q_ext)     # extinction efficiency at each wavelength