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Optical constants of CDGM - ZK (Dense crown)
H-ZK5

Wavelength: µm
 (0.290 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.920219055λ^2}{λ^2-109.361864}+\frac{0.531425413λ^2}{λ^2-0.0198985689}+\frac{1.01909144λ^2}{λ^2-0.00525819605}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -3.46e-06 1.21e-08 1.31e-11 5.78e-07 6.03e-10 0.17
nd: 1.611170
Vd: 55.772437
glass_code: 611558
density: 3.58 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.6e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9.9e-06 K-1
dPgF: -0.001
climatic_resistance: 1.0

References

CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets

Data

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

INFO

CDGM Glass Co., Ltd.

CDGM Glass Co., Ltd. is a leading optical glass supplier in China with a worldwile distribution network.

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