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Optical constants of CDGM - ZK (Dense crown)
H-ZK11

Wavelength: µm
 (0.330 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.6370236-0.010212072λ^{2}+0.017024722λ^{-2}+0.00021432422λ^{-4}+7.4387689\text{×}10^{-06}λ^{-6}+4.3580605\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.59e-06 1.18e-08 -4.46e-11 3.99e-07 8.03e-10 0.244
nd: 1.638543
Vd: 55.471523
glass_code: 639555
glass_status: standard
density: 3.69 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.9e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.2e-06 K-1
dPgF: -0.0016
climatic_resistance: 3.0

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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