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Optical constants of HOYA - FD (Dense flint)
E-FD1

Wavelength: µm
 (0.360 – 1.550)  
 

Derived optical constants

n   k   logX   logY   eV

Dispersion formula

$$n^2=2.8508499-0.01323461λ^{2}+0.029415325λ^{-2}+0.0025542666λ^{-4}-0.00021232133λ^{-6}+2.2261936\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
λ_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -3.50033e-07 0.0 0.0 0.0 0.0 0.0
n_d: 1.71736
V_d: 29.50
glass_code: 717295
density: 3.08 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 9.2e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.09e-05 K-1
ΔP_gF: 0.0082
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

HOYA Corporation

Hoya Corporation is a Japanese company manufacturing optical products.

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