Pr (Praseodymium)

Metals and conductors

1 dataset, together covering 0.0007749–0.3231 µm. Default: Fernandez-Perea et al. 2008: n,k 0.000775–0.323 µm.

Compare datasets

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

Datasets

Fernandez-Perea et al. 2008: n,k 0.000775–0.323 µm n,k 0.0007749–0.3231 µm default

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# Pr (Praseodymium): Fernandez-Perea et al. 2008: n,k 0.000775–0.323 µm
pr = ls.fetch_refractiveindex("main", "Pr", "Fernandez-Perea", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(pr.range_nm)  # (0.774901, 323.114) nm
eps = pr.eps([15.8])  # 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_0c4eda6cd45d/lightsmith"
pr = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(pr.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (pr/fernandez-perea-2008).

# ... load pr as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=pr)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=1, stop_nm=323, 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 Pr (Praseodymium)

Praseodymium (Pr) is a soft, silvery, malleable, and ductile metal that belongs to the lanthanide series of the periodic table. While not as abundant as some other rare earth elements, praseodymium is still found in significant quantities in certain minerals, such as monazite and bastnäsite. In terms of its optical properties, praseodymium is often utilized in the creation of certain types of yellow and green glasses and ceramics, which can absorb ultraviolet light. Additionally, praseodymium-doped fibers have been explored in the realm of fiber optics for their potential use in amplifiers. The metal can also be found in alloys, where it is used to produce high-strength metals that are used in aircraft engines.

Other names: Praseodymium

API: /v1/materials/mat_c2d6388b7227 · slug pr