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Optical constants of HIKARI - BaK (Barium crown)
BAK2

Wavelength: µm
 (0.290 – 0.7)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.319725+0.002602493λ^{2}+0.02249807λ^{-2}-0.002672041λ^{-4}+0.0003926686λ^{-6}-2.043303\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_is_absolute: false
λ_is_vacuum: false
temperature: 20.0 °C
n_d: 1.539960
V_d: 59.681919
glass_code: 540597
glass_status: preferred
density: 2.85 g/cm3
coefficient_of_thermal_expansion_1: 9.7e-06 K-1
ΔP_gF: 0.0021

References

NIKON Zemax catalog 2017-11 (obtained from http://www.nikon.com)
See also HIKARI glass data sheets

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO

Hikari Glass Co., Ltd.

Hikari Glass Co., Ltd. is a Japanese glass maker, a subsidiary of Nikon Corp.

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