Optical constants of HIKARI - BaF (Barium flint)
J-BAF8
Wavelength:
µm
(0.350 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.58219095-0.00986301021λ^{2}-0.000116286506λ^{4}+0.0189733467λ^{-2}+0.000219248923λ^{-4}+4.98624477\text{×}10^{-05}λ^{-6}-4.45223153\text{×}10^{-06}λ^{-8}+3.07817299\text{×}10^{-07}λ^{-10}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 2.8794e-06 1.3033e-08 -1.4861e-13 6.4096e-07 7.6954e-10 0.22875
nd: 1.623740
Vd: 47.008663
glass_status: preferred
density: 3.14 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 6.7e-06 K-1
dPgF: -0.0005
phosphate_resistance: 2.0
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