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Optical constants of CDGM - ZBAF (Dense barium flint)
H-ZBAF3

Wavelength: µm
 (0.340 – 2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.175551746λ^2}{λ^2-0.0360804664}+\frac{1.51566987λ^2}{λ^2-0.00823043679}+\frac{1.11140587λ^2}{λ^2-113.991537}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -8.53e-07 1.64e-08 -5.14e-11 4.62e-07 2.21e-10 0.257
nd: 1.656910
Vd: 51.121380
glass_code: 657511
density: 3.77 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 7.5e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 9e-06 K-1
dPgF: -0.0006
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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