Optical constants of HIKARI - BaK (Barium crown)
E-BAK2
Wavelength:
µm
(0.290 – 2.400)
Derived optical constants
n
k
logX
logY
eV
Dispersion formula
$$n^2=2.33664322-0.00862588382λ^{2}+0.0125079902λ^{-2}+0.000175550187λ^{-4}+4.02268677\text{×}10^{-06}λ^{-6}-3.58785019\text{×}10^{-08}λ^{-8}$$Conditions & Spec sheet
n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
nd: 1.539956
Vd: 59.455634
glass_code: 540595
glass_status: preferred
density: 2.79 g/cm3
thermal_expansion:
- temperature_range: -30 70 °C
coefficient: 8.5e-06 K-1
dPgF: -0.0004
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