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Optical constants of HOYA - FDS (Special dense flint)
M-FDS910

Wavelength: µm
 (0.36501–1.550)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=3.165987-0.01349196λ^{2}+0.04649918λ^{-2}+0.002471413λ^{-4}-8.659596\text{×}10^{-05}λ^{-6}+2.725927\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 ℃
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -2.80707e-06 0.0 0.0 0.0 0.0 0.0
nd: 1.82115
Vd: 24.06
glass_code: 821241
glass_status: standard
density: 3.69 g/cm3
thermal_expansion:
  - temperature_range: -30 70 ℃
    coefficient: 9.5e-06 K-1
  - temperature_range: 20 300 ℃
    coefficient: 1.21e-05 K-1
dPgF: 0.0187
climatic_resistance: 1.0
stain_resistance: 1.0
acid_resistance: 1.0

Comments

Glass for molded optics lens

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

HOYA Corporation

Hoya Corporation is a Japanese company manufacturing optical products.

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