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

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.62833748-0.0100974072λ^{2}+0.0203176439λ^{-2}+0.000375302287λ^{-4}+1.45983254\text{×}10^{-05}λ^{-6}+1.37126433\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
n_d: 1.639300
V_d: 44.882939
glass_code: 639449
glass_status: preferred
density: 3.22 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8e-06 K-1
ΔP_gF: -0.0007

References

NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets

Data

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

INFO

Hikari Glass Co., Ltd.

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

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