Refractive index of CHCl₃ (Chloroform)

import lightsmith as ls

# CHCl3 (Chloroform): Kedenburg et al. 2012: n 0.5–1.6 µm, k 0.5–1.75 µm
chcl3 = ls.fetch_refractiveindex("organic", "chloroform", "Kedenburg", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(chcl3.range_nm)  # (500, 1600) nm
eps = chcl3.eps([633])  # complex permittivity

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_caa6998c2edd/lightsmith"
chcl3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(chcl3.source)  # citation and provenance travel with the data

# ... load chcl3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=chcl3)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=500, 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_caa6998c2edd/lightsmith?model=drude_lorentz"
chcl3_dl = ls.DrudeLorentz.model_validate(json.load(urllib.request.urlopen(url)))