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Optical constants of CDGM - BAF (Barium flint)
BAF2

Wavelength: µm
 (0.310 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.41667247-0.00746725517λ^{2}+0.0168668464λ^{-2}-1.29697272\text{×}10^{-05}λ^{-4}+5.159926024\text{×}10^{-05}λ^{-6}-1.81803614\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
coefficients_of_thermal_dispersion: 1.08e-07 2.09e-08 -1.93e-10 8.16e-07 6.26e-11 0.159
n_d: 1.569703
V_d: 49.435926
glass_code: 570495
glass_status: preferred
density: 3.14 g/cm3
coefficient_of_thermal_expansion_1: 8e-06 K-1
coefficient_of_thermal_expansion_2: 9.6e-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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