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Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF3

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.69165216-0.0101363344λ^{2}+0.0186481237λ^{-2}+0.000358040785λ^{-4}+6.16688889\text{×}10^{-06}λ^{-6}+5.75545763\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -8.53e-07 1.64e-08 -5.14e-11 4.62e-07 2.21e-10 0.257
nd: 1.656914
Vd: 51.156590
glass_code: 657511
density: 3.77 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.5e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9e-06 K-1
dPgF: -0.0014
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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