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

Wavelength: µm
 (0.290 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.4874828-0.0101006793λ^{2}-9.5107548\text{×}10^{-05}λ^{4}+0.0137290228λ^{-2}+0.000182268499λ^{-4}+1.8798945\text{×}10^{-06}λ^{-6}+9.76616911\text{×}10^{-08}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
coefficients_of_thermal_dispersion: 3.5918e-06 1.5402e-08 -1.7573e-12 4.1638e-07 3.4617e-10 0.17609
n_d: 1.589130
V_d: 61.219474
density: 3.26 g/cm3
coefficient_of_thermal_expansion_1: 5.5e-06 K-1
ΔP_gF: -0.0016
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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