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Optical constants of CDGM - BAF (Barium flint)
H-BAF8

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.57817643-0.00908880991λ^{2}+0.0220196312λ^{-2}+0.000598073894λ^{-4}-4.33206771\text{×}10^{-06}λ^{-6}+4.0384407\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.9e-06 1.29e-08 -7.27e-11 8.04e-07 1.1e-09 0.238
nd: 1.626044
Vd: 39.078919
glass_code: 626391
density: 2.96 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.6e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.13e-05 K-1
dPgF: 0.0006
climatic_resistance: 1.0

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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