Optical constants of HIKARI - SK (Dense crown)
J-SK18
Wavelength:
µm
(0.330–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.63738575-0.0103287558λ^{2}-0.000109091934λ^{4}+0.0167282181λ^{-2}+0.000303233685λ^{-4}-2.03256494\text{×}10^{-06}λ^{-6}+7.96743025\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -8.1585e-07 1.2274e-08 -1.4471e-12 5.2301e-07 6.0094e-10 0.18698
nd: 1.638540
Vd: 55.340468
density: 3.67 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.7e-06 K-1
dPgF: -0.0013
phosphate_resistance: 3.0
References
NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets
Data
INFO
Hikari Glass Co., Ltd.
Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.External links
- Hikari Glass Co., Ltd. (in Japanese)
- Nikon