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Optical constants of HIKARI - BaSF (Barium dense flint)
J-BASF8

Wavelength: µm
 (0.350 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.88696022-0.0105560202λ^{2}-0.000102521932λ^{4}+0.0280905311λ^{-2}+0.000399098561λ^{-4}+0.000115091109λ^{-6}-1.16375905\text{×}10^{-05}λ^{-8}+8.75066077\text{×}10^{-07}λ^{-10}$$

Data

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

Additional information

n_is_absolute: false
λ_is_vacuum: false
temperature: 23.0 °C
n_d: 1.723420
V_d: 38.029744
density: 3.61 g/cm3
coefficient_of_thermal_expansion_1: 6.9e-06 K-1
ΔP_gF: 0.0024
phosphate_resistance: 1.0

References

1) HIKARI optical glass catalog 2015-04-01
2) HIKARI Zemax catalog

More info - wiki

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

External links

Latest optical glass catalog