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Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF20

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.82081937-0.0100823647λ^{2}+0.0255084629λ^{-2}+0.00032956767λ^{-4}+5.02565379\text{×}10^{-05}λ^{-6}+6.00432403\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.06e-06 2.07e-08 -8.31e-12 7.29e-07 -1.31e-10 0.25
nd: 1.701545
Vd: 41.140848
glass_code: 702412
density: 3.64 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.9e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 8.5e-06 K-1
dPgF: 0.0021
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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