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

Wavelength: µm
 (0.300 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.40421729-0.00689279508λ^{2}+0.0171159715λ^{-2}-0.00118980816λ^{-4}+0.000211469997λ^{-6}-1.18837301\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 1.25e-06 1.83e-08 -1.09e-12 3.41e-07 -6.09e-10 0.246
nd: 1.563885
Vd: 60.791427
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: -0.0013

References

CDGM Zemax catalog 2017-09 (obtained from http://www.cdgmgd.com)

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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