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Optical constants of CDGM - ZK (Dense crown)
H-ZK1

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.42695876-0.0107508507λ^{2}+0.012802243λ^{-2}+9.25440065\text{×}10^{-05}λ^{-4}+1.33568132\text{×}10^{-05}λ^{-6}-5.38892285\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
nd: 1.568883
Vd: 62.960665
glass_code: 569630
density: 3.06 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.1e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.5e-06 K-1
dPgF: -0.0017

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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