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Optical constants of HIKARI - BaF (Barium flint)
J-BAF11

Wavelength: µm
 (0.340 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.71886836-0.00921086428λ^{2}-5.97080099\text{×}10^{-05}λ^{4}+0.0202512558λ^{-2}+0.000423467645λ^{-4}-1.03717059\text{×}10^{-06}λ^{-6}+1.22100678\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.0058e-06 1.1688e-08 -1.0242e-12 7.0959e-07 7.9601e-10 0.19887
nd: 1.666720
Vd: 48.331725
density: 3.59 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.7e-06 K-1
dPgF: -0.0029
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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