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Optical constants of CDGM - ZK (Dense crown)
H-ZK4

Wavelength: µm
 (0.300 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.54489747-0.00883488409λ^{2}+0.0159113795λ^{-2}-5.14042928\text{×}10^{-05}λ^{-4}+3.62073286\text{×}10^{-05}λ^{-6}-1.50010238\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 6.94e-07 1.7e-08 -7.12e-11 3.52e-07 4e-11 0.267
nd: 1.608813
Vd: 58.880649
glass_code: 609589
density: 3.53 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.9e-06 K-1
dPgF: -0.0018
climatic_resistance: 2.0

References

CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)

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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