C₈H₁₆O₂ (Caprylic acid)

Liquids

1 dataset, together covering 0.4–0.59 µm. Default: Rubio et al. 2015: n 0.400–0.590 µm.

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Datasets

Rubio et al. 2015: n 0.400–0.590 µm n 0.4–0.59 µm default

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# C8H16O2 (Caprylic acid): Rubio et al. 2015: n 0.400–0.590 µm
c8h16o2 = ls.fetch_refractiveindex("organic", "caprylic_acid", "Rubio", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(c8h16o2.range_nm)  # (400, 590) nm
eps = c8h16o2.eps([486])  # 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_c603282fe15d/lightsmith"
c8h16o2 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(c8h16o2.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (caprylic-acid/rubio-2015).

# ... load c8h16o2 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=c8h16o2)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=400, stop_nm=590, 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 C8H16O2 (Caprylic acid)

Caprylic acid is a saturated medium-chain fatty acid with an eight-carbon backbone. It is a colorless to pale yellow liquid with a slightly unpleasant, rancid odor. Found naturally in coconut oil and palm kernel oil, caprylic acid is used in the production of perfumes, dyes, and in the treatment of some bacterial and yeast infections due to its antimicrobial properties. It also serves as a dietary supplement promoting digestive health. Chemical formula: CH₃(CH₂)₆COOH

Other names: caprylic_acid, C8H16O2, Caprylic acid, C₈H₁₆O₂, Octanoic acid, n-Octanoic acid, {'"C8': '0"'}, Heptylformic acid

API: /v1/materials/mat_308807be54d5 · slug caprylic-acid