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Optical constants of HIKARI - SK (Dense crown)
J-SK12

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.46741191-0.00952788845λ^{2}-0.000102594923λ^{4}+0.0140303006λ^{-2}+0.000169265777λ^{-4}+5.39399652\text{×}10^{-06}λ^{-6}-2.33385875\text{×}10^{-08}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.1379e-06 1.4764e-08 -2.5759e-12 4.852e-07 5.9867e-10 0.18104
n_d: 1.583130
V_d: 59.419851
density: 3.23 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6e-06 K-1
ΔP_gF: -0.0018
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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