Optical constants of HIKARI - BaF (Barium flint)
J-BAF4
Wavelength:
µm
(0.350–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.5217584-0.00979498428λ^{2}-0.000134973275λ^{4}+0.0197297837λ^{-2}+7.13034071\text{×}10^{-05}λ^{-4}+0.000103716753λ^{-6}-1.06452623\text{×}10^{-05}λ^{-8}+6.6389953\text{×}10^{-07}λ^{-10}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 4.3473e-06 1.431e-08 -1.8956e-12 6.3783e-07 8.1249e-10 0.24741
nd: 1.605620
Vd: 43.484529
glass_status: preferred
density: 2.89 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.2e-06 K-1
dPgF: 0.0013
phosphate_resistance: 1.0
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