Optical constants of HIKARI - SF (Dense flint)
E-SF8
Wavelength:
µm
(0.360–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.76155381-0.0116348386λ^{2}+0.0286355735λ^{-2}+0.00155293137λ^{-4}-7.94510589\text{×}10^{-05}λ^{-6}+1.28609539\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.688931
Vd: 31.070978
glass_code: 689311
glass_status: preferred
density: 2.93 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.1e-06 K-1
dPgF: 0.0079
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