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Refractive index database


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Optical constants of CsI (Cesium iodide)
Li 1976: n 0.25–67 µm

Wavelength: µm
 (0.25–67)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=0.27587+\frac{0.68689λ^2}{λ^2-0.130^2}+\frac{0.26090λ^2}{λ^2-0.147^2}+\frac{0.06256λ^2}{λ^2-0.163^2}+\frac{0.06527λ^2}{λ^2-0.177^2}+\frac{0.14991λ^2}{λ^2-0.185^2}+\frac{0.51818λ^2}{λ^2-0.206^2}+\frac{0.01918λ^2}{λ^2-0.218^2}+\frac{3.38229λ^2}{λ^2-161.29^2}$$

Comments

297 K (24 °C).

References

H. H. Li. Refractive index of alkali halides and its wavelength and temperature derivatives. J. Phys. Chem. Ref. Data 5, 329-528 (1976) and references therein.
* Sellmeier formula is derived by fitting experimental data from several sources.

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

Cesium iodide, CsI

Other name

  • Caesium iodide

External links