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Optical constants of HIKARI - SK (Dense crown)
J-SK4

Wavelength: µm
 (0.320 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.55820861-0.0096306219λ^{2}-0.000105056878λ^{4}+0.0152842971λ^{-2}+0.000188241434λ^{-4}+5.74199467\text{×}10^{-06}λ^{-6}+3.67306869\text{×}10^{-08}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
coefficients_of_thermal_dispersion: 1.14e-06 1.419e-08 -2.1743e-12 4.8054e-07 4.8998e-10 0.18421
n_d: 1.612720
V_d: 58.540463
density: 3.53 g/cm3
coefficient_of_thermal_expansion_1: 6.2e-06 K-1
ΔP_gF: -0.0015
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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