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Optical constants of CDGM - ZK (Dense crown)
D-ZK3

Wavelength: µm
 (0.290–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.33936811λ^2}{λ^2-0.00760612309}+\frac{0.148690268λ^2}{λ^2-0.0238444644}+\frac{1.00954033λ^2}{λ^2-89.0419787}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.68e-06 9.68e-09 -2e-11 5.34e-07 1.41e-09 0.172
nd: 1.589130
Vd: 61.152901
glass_code: 589612
density: 2.83 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.2e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.3e-06 K-1
dPgF: -0.0053
climatic_resistance: 4.0

Comments

anneal rate:4°C/h

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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