Optical constants of HIKARI - BaLF (Barium light flint)
J-BALF4
Wavelength:
µm
(0.320–2.400)
Complex refractive index (n+ik)
n
k
LogX
LogY
eV
Derived optical constants
Dispersion formula
$$n^2=2.45156936-0.00835914203λ^{2}-8.88499407\text{×}10^{-05}λ^{4}+0.0153016408λ^{-2}+0.00022451288λ^{-4}+5.89498036\text{×}10^{-06}λ^{-6}+2.59209632\text{×}10^{-07}λ^{-8}$$Conditions & Spec sheet
n_is_absolute: false
wavelength_is_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
- type: "Schott formula"
coefficients: 3.191e-07 1.2703e-08 -2.0786e-13 6.7769e-07 7.3747e-10 0.17881
nd: 1.579570
Vd: 53.742830
density: 3.13 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8e-06 K-1
dPgF: -0.0023
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