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Optical constants of HIKARI - FK (Fluor crown)
Q-FK01S

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.21641522-0.00558178713λ^{2}-2.81150445\text{×}10^{-05}λ^{4}+0.00836994471λ^{-2}+8.86932152\text{×}10^{-05}λ^{-4}+2.35585693\text{×}10^{-07}λ^{-6}+4.16602253\text{×}10^{-08}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 23.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.6982e-05 -4.1144e-09 1.7023e-13 4.3085e-07 5.3884e-11 0.10907
n_d: 1.496490
V_d: 81.671513
density: 3.61 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 1.24e-05 K-1
ΔP_gF: 0.0298
phosphate_resistance: 4.0

Comments

For mold lens

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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