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Optical constants of CDGM - BAF (Barium flint)
BAF7

Wavelength: µm
 (0.330–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.5436416-0.0086925216λ^{2}+0.020049192λ^{-2}+0.00089795352λ^{-4}-4.9734473\text{×}10^{-05}λ^{-6}+5.3556\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.614131
Vd: 40.025731
glass_code: 614400
glass_status: preferred
density: 3.56 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.3e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.4e-06 K-1
dPgF: 0.0001
climatic_resistance: 1.0

References

CDGM Zemax catalog 2022-06 (obtained from http://www.cdgmgd.com)
See also CDGM optical glass data sheets

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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