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Optical constants of CDGM - ZK (Dense crown)
H-ZK7

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.56229558-0.0108844706λ^{2}+0.0140997791λ^{-2}+0.000379257039λ^{-4}-2.41612681\text{×}10^{-05}λ^{-6}+1.41616214\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -5.31e-07 1.64e-08 -6.04e-11 3.53e-07 -1.4e-10 0.23
nd: 1.613095
Vd: 60.614383
glass_code: 613606
density: 3.51 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.1e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8e-06 K-1
dPgF: -0.0041
climatic_resistance: 4.0

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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