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Optical constants of HIKARI - SK (Dense crown)
E-SK5

Wavelength: µm
 (0.290 – 0.7)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.48616859-0.00962090414λ^{2}+0.0146866348λ^{-2}-0.000117877135λ^{-4}+4.43876615\text{×}10^{-05}λ^{-6}-2.05228288\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
nd: 1.589130
Vd: 61.162060
glass_code: 589612
glass_status: preferred
density: 3.2 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.9e-06 K-1
dPgF: -0.0008

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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