Optical constants of HIKARI - FK (Fluor crown)
E-FKH2
Wavelength:
µm
(0.280 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.10176037-0.00475364874λ^{2}+0.00656506916λ^{-2}+0.000110380259λ^{-4}-6.14897591\text{×}10^{-06}λ^{-6}+3.33432784\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
n_d: 1.456000
V_d: 91.320735
glass_status: preferred
density: 3.68 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 1.6e-05 K-1
ΔP_gF: 0.0435
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