YLiF₄ (Yttrium lithium fluoride, YLF)

Glasses, oxides and dielectrics anisotropic

2 datasets, together covering 0.225–2.6 µm. Default: Barnes and Gettemy 1980: n(o) 0.225–2.6 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

# YLiF4 (Yttrium lithium fluoride, YLF): Barnes and Gettemy 1980: n(o) 0.225–2.6 µm
ylif4 = ls.fetch_refractiveindex("main", "YLiF4", "Barnes-o", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(ylif4.range_nm)  # (225, 2600) nm
eps = ylif4.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_e6e19ba22de0/lightsmith"
ylif4 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(ylif4.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (ylif4/barnes-gettemy-1980-o).

# ... load ylif4 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=ylif4)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=400, 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_e6e19ba22de0/lightsmith?model=drude_lorentz"
ylif4_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 YLiF4 (Yttrium lithium fluoride, YLF)

Yttrium lithium fluoride (YLiF₄), commonly referred to as YLF, is a synthetic crystalline material renowned for its unique optical properties. YLF crystals are often used as laser host materials due to their excellent optical homogeneity, high damage threshold, and broad transparency range. Specifically, the neodymium-doped YLF (Nd:YLF) finds applications in pulsed laser systems because of its favorable lasing transitions. The material also possesses a low phonon energy, which can minimize non-radiative decay in luminescent devices. Additionally, YLF crystals exhibit birefringence, making them suitable for certain phase-matching applications in nonlinear optics. The crystal's structure can also be oriented in specific directions to optimize certain laser properties. YLF is typically transparent with a colorless appearance in its bulk form.

Other names: Yttrium lithium fluoride, YLF, Yttrium lithium fluoride, YLF, Lithium yttrium fluoride, LiYF₄, Lithium yttrium tetrafluoride, Yttrium lithium tetrafluoride

Yttrium lithium fluoride - Wikipedia

API: /v1/materials/mat_38568747a648 · slug ylif4