Dy₂O₃ (Dysprosium sesquioxide)

Glasses, oxides and dielectrics

1 dataset, together covering 0.435–0.644 µm. Default: Medenbach et al. 2001: n 0.435–0.644 µm.

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Datasets

Medenbach et al. 2001: n 0.435–0.644 µm n 0.435–0.644 µm default

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# Dy2O3 (Dysprosium sesquioxide): Medenbach et al. 2001: n 0.435–0.644 µm
dy2o3 = ls.fetch_refractiveindex("main", "Dy2O3", "Medenbach", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(dy2o3.range_nm)  # (435, 644) nm
eps = dy2o3.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_fac426edd8e8/lightsmith"
dy2o3 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(dy2o3.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (dy2o3/medenbach-2001).

# ... load dy2o3 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=dy2o3)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=435, stop_nm=644, 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_fac426edd8e8/lightsmith?model=drude_lorentz"
dy2o3_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 Dy2O3 (Dysprosium sesquioxide)

Dysprosium sesquioxide (Dy₂O₃) is a rare-earth oxide that can exist in several crystalline phases. Its optical properties, such as a high refractive index and low absorption coefficients in the infrared region, make it interesting for specialized optical applications. It is also used as a raw material for producing dysprosium metal and various dysprosium compounds. Dy₂O₃ can be incorporated into glass, ceramics, and crystal hosts to modify their optical, electrical, and mechanical properties. While not as commonly encountered as other rare-earth oxides in optical applications, its unique characteristics make it a material of interest for future developments in both academia and industry.

Other names: Dysprosium sesquioxide, Dysprosium(III) oxide, Didysprosium trioxide, Dysprosium oxide

API: /v1/materials/mat_2ef18de6e95b · slug dy2o3