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Optical constants of HIKARI - BaSF (Barium dense flint)
J-BASF7

Wavelength: µm
 (0.350 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.82115391-0.0100514408λ^{2}-9.24350756\text{×}10^{-05}λ^{4}+0.0249821665λ^{-2}+0.000523468025λ^{-4}+3.70259835\text{×}10^{-05}λ^{-6}-2.14786963\text{×}10^{-06}λ^{-8}+2.97698375\text{×}10^{-07}λ^{-10}$$

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: 1.701540
V_d: 41.018469
density: 3.63 g/cm3
coefficient_of_thermal_expansion_1: 6.7e-06 K-1
ΔP_gF: 0.0003
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