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Optical constants of HIKARI - FK (Fluor crown)
J-FK01A

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.21785004-0.00552619544λ^{2}-4.04219098\text{×}10^{-05}λ^{4}+0.00839820345λ^{-2}+8.8019088\text{×}10^{-05}λ^{-4}+1.15723877\text{×}10^{-07}λ^{-6}+5.3817861\text{×}10^{-08}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.7555e-05 -6.2228e-09 -5.79e-13 4.3535e-07 3.1731e-10 0.089485
nd: 1.497000
Vd: 81.638620
density: 3.65 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 1.2e-05 K-1
dPgF: 0.0298

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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