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Optical constants of HIKARI - BaF (Barium flint)
J-BAF8

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.58219095-0.00986301021λ^{2}-0.000116286506λ^{4}+0.0189733467λ^{-2}+0.000219248923λ^{-4}+4.98624477\text{×}10^{-05}λ^{-6}-4.45223153\text{×}10^{-06}λ^{-8}+3.07817299\text{×}10^{-07}λ^{-10}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2.8794e-06 1.3033e-08 -1.4861e-13 6.4096e-07 7.6954e-10 0.22875
nd: 1.623740
Vd: 47.008663
glass_status: preferred
density: 3.14 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.7e-06 K-1
dPgF: -0.0005
phosphate_resistance: 2.0

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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