Optical constants of HIKARI - BaK (Barium crown)
BAK4
Wavelength:
µm
(0.300–0.7)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.414299-0.002829974λ^{2}+0.01680892λ^{-2}-8.945119\text{×}10^{-05}λ^{-4}-1.350522\text{×}10^{-05}λ^{-6}+4.145336\text{×}10^{-06}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 20.0 °C
nd: 1.568829
Vd: 56.049408
glass_code: 569560
glass_status: preferred
density: 3.1 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.3e-06 K-1
dPgF: -0.0033
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