(C2ClF3)n (Polychlorotrifluoroethylene, PCTFE)
1 dataset, together covering 28.57–200 µm. Default: Smith and Loewenstein 1975: n,k 28.6–200 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
# (C2ClF3)n (Polychlorotrifluoroethylene, PCTFE): Smith and Loewenstein 1975: n,k 28.6–200 µm
mat = ls.fetch_refractiveindex("organic", "C2ClF3_n - polychlorotrifluoroethylene", "Smith", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(mat.range_nm) # (28571.4, 200000) nm
eps = mat.eps([75600]) # 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_2a3ca56238fc/lightsmith"
mat = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(mat.source) # citation and provenance travel with the dataAny dataset here, as the library's Tabulated material (c2clf3-n-polychlorotrifluoroethylene/smith-loewenstein-1975).
# ... load mat as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=mat)],
medium_index=1.0,
wavelengths=ls.WavelengthRange(start_nm=28570, stop_nm=200000, 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 (C2ClF3)n (Polychlorotrifluoroethylene, PCTFE)
Polychlorotrifluoroethylene (PCTFE, PTFCE, (C2ClF3)n) is a high-performance fluoropolymer that blends the properties of both chlorine and fluorine atoms in its polymer chain. This unique combination results in a material with exceptional chemical resistance akin to other fluoropolymers, but with enhanced mechanical properties and low-temperature performance. Notably, PCTFE exhibits very low moisture absorption, near-zero gas permeability, and excellent resistance to oxidation, making it highly valuable in aerospace, cryogenic, and electronic applications. In the optical domain, its transparency in the visible spectrum coupled with its resistance to UV radiation makes it suitable for certain specialized optical elements, especially in environments where traditional polymers might degrade. Additionally, PCTFE's non-flammability and high dimensional stability further broaden its range of applications, from protective films in electronics to seals and gaskets in chemical processing equipment. The refractive properties of PCTFE are influenced by its unique molecular structure, which combines the best attributes of chlorinated and fluorinated polymers.
Other names: C2ClF3_n - polychlorotrifluoroethylene, C2ClF3)n (Polychlorotrifluoroethylene, PCTFE, Polychlorotrifluoroethylene, (C2ClF3)n, PCTFE, PTFCE, Poly(1-chloro-1,2,2-trifluoroethylene), Poly(ethylene trifluoride chloride), Polymonochlorotrifluoroethylene, Poly(trifluoroethylene chloride), Poly(chlorotrifluoroethylene), Poly(trifluorochloroethene), Poly(chlorotrifluoroethene), Poly(trifluorovinyl chloride), Poly(vinyl trifluorochloride), Kel-F 81, Kel-F 300
API: /v1/materials/mat_6411d1ead17a · slug c2clf3-n-polychlorotrifluoroethylene