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Optical constants of CDGM - ZK (Dense crown)
H-ZK3A

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.48635025-0.00969802289λ^{2}+0.0145444434λ^{-2}-6.42693019\text{×}10^{-05}λ^{-4}+3.4793343\text{×}10^{-05}λ^{-6}-1.53631738\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.86e-06 1.8e-08 -8.52e-12 4.69e-07 3.35e-10 0.137
nd: 1.589129
Vd: 61.245793
glass_code: 589613
density: 3.31 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.5e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 6.8e-06 K-1
dPgF: -0.0018
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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