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Optical constants of HIKARI - FK (Fluor crown)
P-FKHH2S

Wavelength: µm
 (0.280 – 2.400)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.10062741-0.0047428655λ^{2}+0.00658636025λ^{-2}+0.00010373696λ^{-4}-5.35155073\text{×}10^{-06}λ^{-6}+2.98151037\text{×}10^{-07}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 23.0 °C
nd: 1.455620
Vd: 91.248565
glass_status: preferred
density: 3.68 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 1.6e-05 K-1
dPgF: 0.0437

Comments

Low Tg glass

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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