CsI (Cesium iodide)
Glasses, oxides and dielectrics
3 datasets, together covering 0.22–166.7 µm. Default: Li 1976: n 0.25–67 µm.
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Datasets
Use it in Lightsmith
Load this data in Python, simulate in one more line
pip install lightsmith
import lightsmith as ls
# CsI (Cesium iodide): Li 1976: n 0.25–67 µm
csi = ls.fetch_refractiveindex("main", "CsI", "Li", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(csi.range_nm) # (250, 67000) nm
eps = csi.eps([633]) # 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_3cad050bd641/lightsmith"
csi = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(csi.source) # citation and provenance travel with the dataAny dataset here, as the library's Tabulated material (csi/li-1976).
# ... load csi as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=csi)],
medium_index=1.0,
wavelengths=ls.WavelengthRange(start_nm=400, stop_nm=1000, 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"]).
import json, urllib.request
import lightsmith as ls
url = "https://materials.lightsmith.dev/v1/datasets/ds_3cad050bd641/lightsmith?model=drude_lorentz"
csi_dl = ls.DrudeLorentz.model_validate(json.load(urllib.request.urlopen(url)))A dispersive Drude–Lorentz model for time-domain solvers.
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 CsI (Cesium iodide)
Caesium iodide (CsI) is an inorganic compound known for its wide range of applications, from scintillation counters in high-energy physics to the field of medical imaging. This compound forms colorless, water-soluble crystals and has high gamma-ray stopping power, making it particularly useful as a scintillator material. It is also notable for its transparency in the wide spectral range from ultraviolet to long-wavelength infrared, which makes it valuable in infrared optics. In addition, CsI is often used in mass spectrometry as a matrix to help ionize samples. Like other caesium compounds, CsI should be handled with care due to its reactivity and potential health risks associated with iodine and caesium, such as thyroid gland issues and cellular ion channel disruptions. As a result, strict safety protocols are essential for its handling and storage. Overall, CsI is a highly versatile material with a plethora of applications in both scientific research and industrial processes.
Other names: Cesium iodide, Caesium iodide
API: /v1/materials/mat_b006a56bf1af · slug csi