Optical constants of HIKARI - FK (Fluor crown)
J-FK5
Wavelength:
µm
(0.280–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.18826855-0.00919044724λ^{2}-0.000111621071λ^{4}+0.00926372815λ^{-2}+7.34900733\text{×}10^{-05}λ^{-4}+4.19724242\text{×}10^{-06}λ^{-6}-1.15412203\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: -8.084e-06 1.807e-08 -1.837e-12 3.752e-07 3.016e-10 0.1691
nd: 1.487490
Vd: 70.318793
density: 2.45 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.9e-06 K-1
dPgF: 0.0027
phosphate_resistance: 3.0
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