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Optical constants of HIKARI - FK (Fluorite crown)
J-FK01

Wavelength: µm
 (0.280 – 2.400)  
 

Other optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.21789187-0.00556369762λ^{2}-3.28049024\text{×}10^{-05}λ^{4}+0.00839632921λ^{-2}+8.32133541\text{×}10^{-05}λ^{-4}+8.943616\text{×}10^{-07}λ^{-6}+1.16808762\text{×}10^{-08}λ^{-8}$$

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: 1.497000
V_d: 81.730179
density: 3.61 g/cm3
coefficient_of_thermal_expansion_1: 1.24e-05 K-1
ΔP_gF: 0.0299
phosphate_resistance: 4.0

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