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Optical constants of CDGM - BAF (Barium flint)
BAF4

Wavelength: µm
 (0.320 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.451472-0.0065118879λ^{2}+0.019377342λ^{-2}-0.00030637647λ^{-4}+0.00010174985λ^{-6}-3.9270356\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
n_d: 1.582712
V_d: 46.505886
glass_code: 583465
glass_status: preferred
density: 3.28 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.1e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 9.1e-06 K-1
ΔP_gF: 0.0007

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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