Optical constants of HIKARI - SK (Dense crown)
E-SK4
Wavelength:
µm
(0.290–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.55935739-0.0101666557λ^{2}+0.01458787λ^{-2}+0.00036544107λ^{-4}-1.59151229\text{×}10^{-05}λ^{-6}+9.9861439\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.612716
Vd: 58.732984
glass_code: 613587
glass_status: preferred
density: 3.54 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 7.2e-06 K-1
dPgF: -0.0008
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