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Optical constants of CDGM - ZK (Dense crown)
H-ZK2

Wavelength: µm
 (0.290 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.427442699λ^2}{λ^2-0.0191755139}+\frac{0.907023646λ^2}{λ^2-94.6355569}+\frac{1.04012009λ^2}{λ^2-0.00552619449}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2.23e-06 2.61e-08 -7.02e-11 4.76e-07 -6.76e-10 0.184
nd: 1.583130
Vd: 59.460082
glass_code: 583595
density: 3.24 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 6.1e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 7.8e-06 K-1
dPgF: -0.0016
climatic_resistance: 2.0

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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