Optical constants of HIKARI - FK (Fluor crown)
E-FK5
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.1887621-0.0095572007λ^{2}+0.0089915232λ^{-2}+0.00014560516λ^{-4}-5.2843067\text{×}10^{-06}λ^{-6}+3.458801\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
nd: 1.487490
Vd: 70.406429
glass_code: 487704
glass_status: preferred
density: 2.45 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 1.01e-05 K-1
dPgF: 0.0027
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