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Optical constants of HIKARI - BaF (Barium flint)
J-BAF3

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.45448839-0.00867148963λ^{2}-0.00010471524λ^{4}+0.0176039752λ^{-2}+0.000154610243λ^{-4}+5.59918259\text{×}10^{-05}λ^{-6}-5.01297284\text{×}10^{-06}λ^{-8}+3.1755799\text{×}10^{-07}λ^{-10}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.8925e-06 1.1917e-08 -1.9592e-12 6.4316e-07 6.544e-10 0.23169
n_d: 1.582670
V_d: 46.484267
density: 2.74 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.5e-06 K-1
ΔP_gF: -0.0001
phosphate_resistance: 1.0

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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