Er (Erbium)

Metals and conductors

1 dataset, together covering 0.0007836–0.3827 µm. Default: Larruquert et al. 2011: n,k 0.000784–0.383 µm.

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Datasets

Larruquert et al. 2011: n,k 0.000784–0.383 µm n,k 0.0007836–0.3827 µm default

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# Er (Erbium): Larruquert et al. 2011: n,k 0.000784–0.383 µm
er = ls.fetch_refractiveindex("main", "Er", "Larruquert", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(er.range_nm)  # (0.783614, 382.667) nm
eps = er.eps([17.3])  # 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_545660dac976/lightsmith"
er = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(er.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (er/larruquert-2011).

# ... load er as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=er)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=1, stop_nm=382, 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 Er (Erbium)

Erbium (Er) is a rare-earth element that is part of the lanthanide series. In its metallic form, erbium is silvery-white and relatively stable in air. It is widely known for its optical properties, particularly in the field of fiber-optic communications. Erbium-doped fiber amplifiers (EDFAs) are crucial components that boost the signal in long-haul optical communication networks. When doped into other materials like glass or crystal, erbium can absorb pump light at specific wavelengths and emit light at around 1.55 micrometers, which is the standard wavelength for optical communications. Additionally, erbium finds use in other photonic devices, such as lasers for medical and materials processing applications. While not commonly used in its pure metallic form for optics, its dopant capabilities make erbium indispensable in modern optical technologies.

Other names: Erbium

API: /v1/materials/mat_60c16f81eb1e · slug er