Refractive index of C₂H₅OH (Ethanol)

import lightsmith as ls

# C2H5OH (Ethanol): Sani and Dell'Oro 2016: Dispersion formula; n,k 0.185–2.8 µm
c2h5oh = ls.fetch_refractiveindex("organic", "ethanol", "Sani-formula", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(c2h5oh.range_nm)  # (185, 2800) nm
eps = c2h5oh.eps([633])  # complex permittivity

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_3ee73713cc55/lightsmith"
c2h5oh = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(c2h5oh.source)  # citation and provenance travel with the data

# ... load c2h5oh as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=c2h5oh)],
    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

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_3ee73713cc55/lightsmith?model=drude_lorentz"
c2h5oh_dl = ls.DrudeLorentz.model_validate(json.load(urllib.request.urlopen(url)))