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Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF50

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.69045194-0.00736356688λ^{2}+0.0226992125λ^{-2}-0.000794594575λ^{-4}+0.000161075119λ^{-6}-6.92969544\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.31e-06 1.42e-08 -3.27e-11 5.21e-07 3.53e-10 0.234
nd: 1.658439
Vd: 50.866500
glass_code: 658509
glass_status: standard
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: 0.0001
climatic_resistance: 2.0

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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