Optical constants of HIKARI - FK (Fluor crown)
E-FKH1
Wavelength:
µm
(0.290 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.22025427-0.00513496818λ^{2}+0.00841587708λ^{-2}+5.4263553\text{×}10^{-05}λ^{-4}+7.61288219\text{×}10^{-06}λ^{-6}-4.89857441\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
nd: 1.497820
Vd: 82.515656
glass_code: 498825
glass_status: preferred
density: 3.87 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 1.53e-05 K-1
dPgF: 0.0331
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