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Optical constants of HIKARI - SK (Dense crown)
SK15

Wavelength: µm
 (0.290 – 0.7)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.595129-0.01330175λ^{2}+0.01295053λ^{-2}+0.000946977λ^{-4}-9.281618\text{×}10^{-05}λ^{-6}+5.074742\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
n_d: 1.622990
V_d: 58.225167
glass_code: 623582
glass_status: preferred
density: 3.66 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.1e-06 K-1
ΔP_gF: -0.0018

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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