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Optical constants of HIKARI - SK (Dense crown)
SK18

Wavelength: µm
 (0.330 – 0.7)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.652537-0.02070769λ^{2}+0.008235652λ^{-2}+0.0025989λ^{-4}-0.0003027232λ^{-6}+1.591967\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
n_d: 1.638540
V_d: 55.479588
glass_code: 639555
glass_status: preferred
density: 3.69 g/cm3
coefficient_of_thermal_expansion_1: 8.1e-06 K-1
ΔP_gF: -0.0021

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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