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Optical constants of HOYA - FL (Light flint)
E-FL6

Wavelength: µm
 (0.350 – 1.550)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.4079653-0.011135638λ^{2}+0.015704715λ^{-2}+0.00099186507λ^{-4}-7.9934653\text{×}10^{-05}λ^{-6}+7.0985473\text{×}10^{-06}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: 3.42721e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.56732
Vd: 42.84
glass_code: 567428
density: 2.53 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 6.7e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 7.9e-06 K-1
dPgF: 0.0031
climatic_resistance: 1.0
stain_resistance: 1.0
acid_resistance: 1.0

Comments

General glass Type

References

HOYA Zemax catalog 2017-04-01 (obtained from http://www.hoya-opticalworld.com)

Data

[Expressions for n]   [CSV - comma separated]   [TXT - tab separated]   [Full database record]

INFO


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Glass

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