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Optical constants of CDGM - ZF (Dense flint)
ZF12

Wavelength: µm
 (0.380 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.99506991-0.0165672521λ^{2}+0.0256701429λ^{-2}+0.00670445128λ^{-4}-0.000837476647λ^{-6}+6.26402774\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.33e-06 2.64e-08 -2.01e-11 1.43e-06 1.62e-09 0.284
nd: 1.761822
Vd: 26.555686
glass_code: 762266
density: 4.64 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.5e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.9e-06 K-1
dPgF: 0.0066

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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