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Optical constants of HIKARI - BaF (Barium flint)
J-BAF4

Wavelength: µm
 (0.350 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.5217584-0.00979498428λ^{2}-0.000134973275λ^{4}+0.0197297837λ^{-2}+7.13034071\text{×}10^{-05}λ^{-4}+0.000103716753λ^{-6}-1.06452623\text{×}10^{-05}λ^{-8}+6.6389953\text{×}10^{-07}λ^{-10}$$

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: 1.605620
V_d: 43.484529
glass_status: preferred
density: 2.89 g/cm3
coefficient_of_thermal_expansion_1: 6.2e-06 K-1
ΔP_gF: 0.0013
phosphate_resistance: 1.0

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