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Optical constants of CDGM - BAF (Barium flint)
H-BAF5

Wavelength: µm
 (0.350 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{1.06904566λ^2}{λ^2-112.003965}+\frac{0.10415751λ^2}{λ^2-0.0516103587}+\frac{1.41843612λ^2}{λ^2-0.00956493179}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -8.44e-07 2.08e-08 -7.18e-11 7.13e-07 6.88e-10 0.231
nd: 1.605620
Vd: 43.875621
glass_code: 606439
density: 2.97 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 8.2e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9.7e-06 K-1
dPgF: 0.0013
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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