CsBr (Cesium bromide)
Glasses, oxides and dielectrics
3 datasets, together covering 0.21–149.3 µm. Default: Li 1976: n 0.21–55 µm; 20 °C.
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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
# CsBr (Cesium bromide): Li 1976: n 0.21–55 µm; 20 °C
csbr = ls.fetch_refractiveindex("main", "CsBr", "Li", ref="c5c2f188e848453def5970e347399d653df2ffc2")
print(csbr.range_nm) # (210, 55000) nm
eps = csbr.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_382535992434/lightsmith"
csbr = ls.Tabulated.model_validate(json.load(urllib.request.urlopen(url)))
print(csbr.source) # citation and provenance travel with the dataAny dataset here, as the library's Tabulated material (csbr/li-1976).
# ... load csbr as above, then:
sim = ls.Simulation(
particles=[ls.Particle(shape=ls.Sphere(radius_nm=50), material=csbr)],
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_382535992434/lightsmith?model=drude_lorentz"
csbr_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 CsBr (Cesium bromide)
Caesium bromide (CsBr) is an ionic compound composed of caesium and bromine atoms in a 1:1 ratio. It forms colorless, hygroscopic crystals and is highly soluble in water. The compound has applications in various fields, including analytical chemistry, where it is used as a scintillation material in scintillation counters. Additionally, it serves as a transparent material in the infrared spectral range, making it useful in infrared optics. CsBr is also utilized in the manufacturing of certain high-performance photodetectors and other optoelectronic devices. Despite its utility, caesium bromide should be handled with care due to the reactivity of caesium and the potential for bromine to form harmful by-products. It can react vigorously with substances like acids and water, so proper safety precautions must be observed during handling and storage. Overall, CsBr is a material of interest for various specialized applications, particularly those involving infrared technology and radiation detection.
Other names: Cesium bromide, Caesium bromide
API: /v1/materials/mat_de7b31aebafe · slug csbr