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Optical constants of HIKARI - BaSF (Barium dense flint)
J-BASF6

Wavelength: µm
 (0.350 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.71408053-0.011443869λ^{2}-0.000185062065λ^{4}+0.0232439131λ^{-2}+0.000130291556λ^{-4}+0.00011814346λ^{-6}-1.18586652\text{×}10^{-05}λ^{-8}+7.68022789\text{×}10^{-07}λ^{-10}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.8727e-07 1.2554e-08 -1.9116e-12 6.539e-07 8.3535e-10 0.24661
nd: 1.667550
Vd: 41.873908
density: 3.21 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.6e-06 K-1
dPgF: 0.001
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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