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Optical constants of HIKARI - SK (Dense crown)
J-SK2

Wavelength: µm
 (0.290–2.400)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.53980653-0.00890433248λ^{2}-8.4074007\text{×}10^{-05}λ^{4}+0.0155288703λ^{-2}+0.000221892881λ^{-4}+3.98552039\text{×}10^{-06}λ^{-6}+1.13655993\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 4.2649e-06 1.5619e-08 -2.3374e-12 5.6858e-07 6.7888e-10 0.17909
nd: 1.607380
Vd: 56.739966
density: 3.53 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 5.7e-06 K-1
dPgF: -0.0016
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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