ZnSe (Zinc selenide)

Semiconductors and photonic platforms

5 datasets, together covering 0.2339–21.74 µm. Default: Marple 1964: n 0.48–2.5 µm.

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Tick datasets in the list to add them to the plot (up to 12).

Datasets

Experimental data

Models and simulations

Adachi and Taguchi 1991: n,k 0.234–0.827 µm n,k 0.2339–0.8266 µm

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# ZnSe (Zinc selenide): Marple 1964: n 0.48–2.5 µm
znse = ls.fetch_refractiveindex("main", "ZnSe", "Marple", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(znse.range_nm)  # (480, 2500) nm
eps = znse.eps([633])  # complex permittivity

Downloads the original record once (pinned to the imported snapshot) and caches it.

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_9b69f82c1862/lightsmith"
znse = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(znse.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (znse/marple-1964).

# ... load znse as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=znse)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=480, stop_nm=1000, num=81),
)
res = ls.solve(sim)  # exact Mie for a sphere
print(res.q_ext)     # extinction efficiency at each wavelength

Same spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).

import json, urllib.request
import lightsmith as ls

url = "https://materials.lightsmith.dev/v1/datasets/ds_9b69f82c1862/lightsmith?model=drude_lorentz"
znse_dl = ls.DrudeLorentz.model_validate(json.load(urllib.request.urlopen(url)))

A dispersive Drude–Lorentz model for time-domain solvers.

Materials guide Open a sphere of it in Studio Quick start Ask the community

Lightsmith is open source (MIT): Mie, T-matrix, BEM, DDA, FDTD, RCWA, TMM, mode solvers and inverse design behind one spec, on CPU or GPU. GitHub.

About ZnSe (Zinc selenide)

Zinc selenide (ZnSe) is a binary compound semiconductor with a cubic zinc blende structure. This material is transparent in the visible and near-infrared regions of the electromagnetic spectrum, with a wide direct bandgap of approximately 2.7 eV. Due to its transparency and high refractive index, ZnSe has become a popular choice for high-power infrared laser systems, especially CO₂ lasers, where ZnSe optics are used as output couplers and beam expanders. ZnSe can also be doped with various elements, most notably with chromium (Cr:ZnSe), to produce mid-infrared solid-state lasers. In addition, ZnSe is utilized in the fabrication of light-emitting diodes, photodetectors, and solar cells.

Other names: Zinc selenide

API: /v1/materials/mat_6974bf6f0a1c · slug znse