C₄H₈O (Tetrahydrofuran, THF)

2 datasets, together covering 0.2–2 µm. Default: Li et al. 2022: n 0.2–1.7 µm.

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Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# C4H8O (Tetrahydrofuran, THF): Li et al. 2022: n 0.2–1.7 µm
c4h8o = ls.fetch_refractiveindex("organic", "tetrahydrofuran", "Li", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(c4h8o.range_nm)  # (200, 1700) nm
eps = c4h8o.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_420474e93721/lightsmith"
c4h8o = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(c4h8o.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (tetrahydrofuran/li-2022).

# ... load c4h8o as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=c4h8o)],
    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"]).

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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 C4H8O (Tetrahydrofuran, THF)

Tetrahydrofuran (C₄H₈O), commonly referred to as THF, is a cyclic ether that appears as a clear, colorless liquid with an ether-like odor. It is highly volatile, water-miscible, and has a low viscosity, which makes it an excellent solvent for a wide variety of organic substances, including resins, polymers, and some metals. THF is particularly crucial in the production of polyvinyl chloride (PVC) piping and adhesives due to its ability to dissolve PVC without reacting with it. It is also widely used as a precursor to polymers and as a reaction medium in organic synthesis. Due to its rapid evaporation rate and excellent solvency, THF is often employed in specialized applications in both laboratory and industrial settings. However, it poses significant health risks if inhaled, ingested, or contacted with skin, necessitating careful handling.

Other names: C4H8O, Tetrahydrofuran, THF, THF, C₄H₈O, Oxolane, Butylene oxide, Cyclotetramethylene oxide, Diethylene oxide, Furanidin, Tetramethylene oxide

API: /v1/materials/mat_6274fbeae135 · slug tetrahydrofuran