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Optical constants of CDGM - ZK (Dense crown)
H-ZK9A

Wavelength: µm
 (0.310–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.58407802-0.0111281379λ^{2}+0.0154281597λ^{-2}+2.64033929\text{×}10^{-05}λ^{-4}+2.77466467\text{×}10^{-05}λ^{-6}-1.24493904\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.4e-06 1.73e-08 1.08e-10 5.4e-07 7.75e-10 0.097
nd: 1.620412
Vd: 60.368242
glass_code: 620603
density: 3.53 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.4e-06 K-1
dPgF: -0.0031
climatic_resistance: 4.0

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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