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

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.50495857+0.00332474118λ^{2}+0.0283142796λ^{-2}-0.00204413784λ^{-4}+0.000334309924λ^{-6}-1.53485779\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
n_d: 1.605620
V_d: 43.767613
glass_status: preferred
density: 2.89 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 7.5e-06 K-1
ΔP_gF: 0.0009

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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