C₅H₁₂ (Pentane)

4 datasets, together covering 0.326–14.93 µm. Default: Kerl and Varchmin 1995: n-Pentane; 293 K; n 0.326–0.644 µm.

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

Datasets

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# C5H12 (Pentane): Kerl and Varchmin 1995: n-Pentane; 293 K; n 0.326–0.644 µm
c5h12 = ls.fetch_refractiveindex("organic", "pentane", "Kerl-293K", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(c5h12.range_nm)  # (326, 644) nm
eps = c5h12.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_bb19b7e9f6c9/lightsmith"
c5h12 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(c5h12.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (pentane/kerl-varchmin-1995-293k).

# ... load c5h12 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=c5h12)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=400, stop_nm=644, 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 C5H12 (Pentane)

Pentane (C₅H₁₂) is a straight-chain alkane with five carbon atoms. It is a volatile and flammable liquid at room temperature and is found in the gasoline fraction during the refining of crude oil. Being highly flammable, it's used as a component in some fuel mixtures and as a solvent in laboratories. Additionally, pentane is utilized in the production of foam and polystyrene, serving as a blowing agent that helps form bubbles within the material. When considering its optical properties, it's relatively transparent in the visible range. Proper precautions should be taken when working with pentane due to its highly flammable nature and potential to form explosive mixtures in air.

Other names: C5H12, C₅H₁₂

API: /v1/materials/mat_5d1b8f718d88 · slug pentane