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Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF21

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.88488353-0.00963959047λ^{2}+0.029172134λ^{-2}+0.000302410773λ^{-4}+5.7628195\text{×}10^{-05}λ^{-6}+2.46415353\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.82e-06 1.84e-08 7.67e-11 8.37e-07 1.99e-09 0.23
nd: 1.723418
Vd: 38.022035
glass_code: 723380
glass_status: standard
density: 3.62 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.8e-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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