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Optical constants of HIKARI - BaSF (Barium dense flint)
J-BASF8

Wavelength: µm
 (0.350–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.88696022-0.0105560202λ^{2}-0.000102521932λ^{4}+0.0280905311λ^{-2}+0.000399098561λ^{-4}+0.000115091109λ^{-6}-1.16375905\text{×}10^{-05}λ^{-8}+8.75066077\text{×}10^{-07}λ^{-10}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2.5871e-06 1.1642e-08 -2.8949e-13 7.8847e-07 1.0939e-09 0.24783
nd: 1.723420
Vd: 38.029744
density: 3.61 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.9e-06 K-1
dPgF: 0.0024
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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