C₈H₉NO₂ (Acetaminophen)

Polymers and photoresists

1 dataset, together covering 1.1–1.65 µm. Default: Juntunen et al. 2024: n 1.10–1.65 µm.

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Datasets

Juntunen et al. 2024: n 1.10–1.65 µm n 1.1–1.65 µm default

Use it in Lightsmith

Load this data in Python, simulate in one more line

pip install lightsmith

import lightsmith as ls

# C8H9NO2 (Acetaminophen): Juntunen et al. 2024: n 1.10–1.65 µm
c8h9no2 = ls.fetch_refractiveindex("organic", "acetaminophen", "Juntunen", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(c8h9no2.range_nm)  # (1100, 1650) nm
eps = c8h9no2.eps([1350])  # 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_8551fc2df95a/lightsmith"
c8h9no2 = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(c8h9no2.source)  # citation and provenance travel with the data

Any dataset here, as the library's Tabulated material (acetaminophen/juntunen-2024).

# ... load c8h9no2 as above, then:
sim = ls.Simulation(
    particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=c8h9no2)],
    medium_index=1.0,
    wavelengths=ls.WavelengthRange(start_nm=1100, stop_nm=1650, 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 C8H9NO2 (Acetaminophen)

Acetaminophen, also known as paracetamol, is a widely used over-the-counter analgesic (pain reliever) and antipyretic (fever reducer). It is commonly employed to relieve mild to moderate pain from headaches, muscle aches, menstrual periods, colds and sore throats, toothaches, backaches, and reactions to vaccinations (shots), as well as to reduce fever. Acetaminophen operates by inhibiting the production of prostaglandins, chemicals in the body that cause pain and inflammation. While effective for mild pain relief and fever reduction, acetaminophen does not reduce inflammation, as do nonsteroidal anti-inflammatory drugs (NSAIDs) such as aspirin or ibuprofen. It is available in various forms, including tablets, capsules, liquid suspensions, and as an ingredient in a wide array of combination medications.

Other names: C8H9NO2, Acetaminophen (Paracetamol), C₈H₉NO₂, Paracetamol, APAP, N-acetyl-p-aminophenol, Acetamol, Tempra, Tylenol, Panadol, {'"CAS Number': '103-90-2"'}

API: /v1/materials/mat_246122dae1b9 · slug acetaminophen