Kapton
10 datasets, together covering 0.02–3000 µm. Default: Cunningham et al. 2011: n 30–490 µm, k 30–470 µm.
Compare datasets
Tick datasets in the list to add them to the plot (up to 12).
Datasets
- Cunningham et al. 2011: n 30–490 µm, k 30–470 µm
- Sahin et al. 2019: n,k 160–3000 µm
- Kumar et al. 2011: n 0.41–0.65 µm, k 0.49–0.78 µm
- French et al. 2009: n 0.19–1.59 µm, k 0.48–2.49 µm
- Kawka and Buckius 2001: n 1.44–4.97 µm, k 1.82–4.98 µm
- Zhang et al. 1998: n,k 1.67–20.0 µm
- Philipp et al. 1986: k 0.18–0.33 µm
- Brannon et al. 1985: k 0.19–0.39 µm
- Arakawa et al. 1981: n 0.02–1.49 µm, k 0.02–0.43 µm
- Smith and Loewenstein 1975: n,k 28.6–182 µm
Use it in Lightsmith
Load this data in Python, simulate in one more line
pip install lightsmith
import lightsmith as ls
# Kapton: Cunningham et al. 2011: n 30–490 µm, k 30–470 µm
kapton = ls.fetch_refractiveindex("other", "Kapton", "Cunningham", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(kapton.range_nm) # (30000, 490000) nm
eps = kapton.eps([121000]) # complex permittivityDownloads 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_958e39a9affa/lightsmith"
kapton = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(kapton.source) # citation and provenance travel with the dataAny dataset here, as the library's Tabulated material (kapton/cunningham-2011).
# ... load kapton as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=kapton)],
medium_index=1.0,
wavelengths=ls.WavelengthRange(start_nm=30000, stop_nm=490000, num=81),
)
res = ls.solve(sim) # exact Mie for a sphere
print(res.q_ext) # extinction efficiency at each wavelengthSame spec runs with DDA, FDTD, BEM or T-matrix: ls.compare(sim, ["mie", "dda"]).
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 Kapton
Kapton is a polyimide film developed by DuPont in the late 1960s that remains stable across a wide range of temperatures.
API: /v1/materials/mat_d6250784e379 · slug kapton