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Optical constants of HIKARI - SK (Dense crown)
J-SK16

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.58448044-0.0111132665λ^{2}-0.000137540448λ^{4}+0.0149921982λ^{-2}+0.000188581834λ^{-4}+3.56240422\text{×}10^{-06}λ^{-6}+7.76507396\text{×}10^{-08}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 9.56742e-07 8.62529e-09 2.05826e-12 4.36559e-07 5.9131e-10 0.172138
nd: 1.620410
Vd: 60.245509
density: 3.56 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6e-06 K-1
dPgF: -0.0031
phosphate_resistance: 3.0

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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