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Optical constants of HIKARI - BaF (Barium flint)
J-BAF12

Wavelength: µm
 (0.350 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.62810335-0.00995087731λ^{2}-0.000144740792λ^{4}+0.0206473464λ^{-2}+0.000162531777λ^{-4}+7.85240289\text{×}10^{-05}λ^{-6}-7.45350927\text{×}10^{-06}λ^{-8}+4.83617341\text{×}10^{-07}λ^{-10}$$

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

Additional information

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
n_d: 1.639300
V_d: 44.834133
density: 3.23 g/cm3
coefficient_of_thermal_expansion_1: 6.7e-06 K-1
ΔP_gF: 0.0005
phosphate_resistance: 2.0

References

1) HIKARI optical glass catalog 2015-04-01
2) HIKARI Zemax catalog

More info - wiki

Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.

External links

Latest optical glass catalog