Refractive index of CdTe (Cadmium telluride)

import lightsmith as ls

# CdTe (Cadmium telluride): DeBell et al. 1979: n 6–22 µm; 80 K
cdte = ls.fetch_refractiveindex("main", "CdTe", "DeBell-80K", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(cdte.range_nm)  # (6000, 22000) nm
eps = cdte.eps([11500])  # complex permittivity

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_4bffeb8cdbfa/lightsmith"
cdte = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(cdte.source)  # citation and provenance travel with the data

# ... load cdte as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=cdte)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=6000, stop_nm=22000, 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_4bffeb8cdbfa/lightsmith?model=drude_lorentz"
cdte_dl = ls.DrudeLorentz.model_validate(json.load(urllib.request.urlopen(url)))