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Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF16

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.7163405-0.00800848114λ^{2}+0.0220673585λ^{-2}-0.000143211774λ^{-4}+7.67032228\text{×}10^{-05}λ^{-6}-2.71338303\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.24e-06 1.54e-08 -5.96e-11 6.09e-07 8.8e-10 0.236
nd: 1.666724
Vd: 48.431709
glass_code: 667484
density: 3.59 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.1e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.8e-06 K-1
dPgF: -0.0034
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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