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Optical constants of CDGM - ZF (Dense flint)
D-ZF93

Wavelength: µm
 (0.400 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=3.80125332-0.0264815939λ^{2}+0.0481190715λ^{-2}+0.0121421023λ^{-4}-0.00148894236λ^{-6}+0.000136817158λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.28e-05 3.34e-08 -1.53e-10 2.75e-06 2.52e-09 0.299
nd: 2.001703
Vd: 20.705366
density: 6.11 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.8e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.4e-06 K-1
dPgF: 0.0286
climatic_resistance: 1.0

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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