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Optical constants of HIKARI - SF (Dense flint)
J-SF2

Wavelength: µm
 (0.360 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.63768374-0.0104781511λ^{2}+0.0239749005λ^{-2}+0.00192856512λ^{-4}-0.000366733662λ^{-6}+7.71499779\text{×}10^{-05}λ^{-8}-7.4649885\text{×}10^{-06}λ^{-10}+3.25251898\text{×}10^{-07}λ^{-12}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -3.9095e-06 9.4107e-09 -8.6488e-13 8.6526e-07 1.0468e-09 0.264
nd: 1.647690
Vd: 33.723654
density: 2.72 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9e-06 K-1
dPgF: 0.0053
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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