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Optical constants of CDGM - BAF (Barium flint)
BAF2

Wavelength: µm
 (0.310–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.41667247-0.00746725517λ^{2}+0.0168668464λ^{-2}-1.29697272\text{×}10^{-05}λ^{-4}+5.15992602\text{×}10^{-05}λ^{-6}-1.81803614\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.08e-07 2.09e-08 -1.93e-10 8.16e-07 6.26e-11 0.159
nd: 1.569703
Vd: 49.435926
glass_code: 570495
glass_status: preferred
density: 3.14 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9.6e-06 K-1
dPgF: -0.0007

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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