BeAl₆O₁₀ (Beryllium hexaaluminate, BHA)

Glasses, oxides and dielectrics anisotropic

3 datasets, together covering 0.43–1.1 µm. Default: Pestryakov et al. 1997: n(α) 0.43–1.1 µm.

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Datasets

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# BeAl6O10 (Beryllium hexaaluminate, BHA): Pestryakov et al. 1997: n(α) 0.43–1.1 µm
beal6o10 = ls.fetch_refractiveindex("main", "BeAl6O10", "Pestryakov-α", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(beal6o10.range_nm)  # (430, 1100) nm
eps = beal6o10.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_6bc1d1914d0d/lightsmith"
beal6o10 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(beal6o10.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (beal6o10/pestryakov-1997).

# ... load beal6o10 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=beal6o10)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=430, 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"]).

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 BeAl6O10 (Beryllium hexaaluminate, BHA)

BeAl₆O₁₀, known as beryllium hexaaluminate (BHA), is a complex oxide crystal that has attracted interest for its potential applications in a variety of high-temperature and harsh-environment conditions. Although not traditionally used in mainstream optics, its properties such as high thermal stability, low thermal expansion coefficient, and resistance to chemical corrosion make it a candidate for specialized optical applications where these attributes are crucial. The material is often synthesized using methods such as the sol-gel process or high-temperature sintering. In the realm of photonics and optics, its stability under high thermal loads could make it an ideal candidate for optical components in high-temperature environments, such as aerospace or industrial applications. While research into the optical properties of BHA is still in relatively early stages, its unique combination of thermal and chemical robustness suggests potential for future exploration and application in demanding settings.

Other names: Beryllium hexaaluminate, BHA, Beryllium hexaaluminate, BHA

API: /v1/materials/mat_d82aafe01a92 · slug beal6o10