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Optical constants of HIKARI - SK (Dense crown)
J-SK11

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.40941529-0.0092912299λ^{2}-9.6509289\text{×}10^{-05}λ^{4}+0.0131170272λ^{-2}+0.000153988355λ^{-4}+4.69136387\text{×}10^{-06}λ^{-6}-2.59660236\text{×}10^{-08}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 2.8051e-06 2.1697e-08 -3.0016e-12 4.3032e-07 1.0179e-10 0.18139
nd: 1.563840
Vd: 60.706839
density: 3.06 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.4e-06 K-1
dPgF: -0.0014
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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