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Optical constants of CDGM - BAK (Barium crown)
H-BAK6

Wavelength: µm
 (0.300–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula [ i ]

$$n^2-1=\frac{0.813984879λ^2}{λ^2-0.00392398403}+\frac{0.595734077λ^2}{λ^2-0.0164900015}+\frac{1.00704301λ^2}{λ^2-107.665801}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.02e-06 1.71e-08 -1.32e-11 4.2e-07 2.66e-10 0.209
nd: 1.563880
Vd: 60.764747
glass_code: 564608
density: 3.05 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.7e-06 K-1
dPgF: -0.0006

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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