Optical constants of HIKARI - SF (Dense flint)
SF7
Wavelength:
µm
(0.330–0.7)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.602245-0.002282728λ^{2}+0.0313239λ^{-2}-0.001109815λ^{-4}+0.0002844724λ^{-6}-1.205447\text{×}10^{-05}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.639800
Vd: 34.563664
glass_code: 640346
glass_status: preferred
density: 3.78 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 9.9e-06 K-1
dPgF: 0.0022
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