RefractiveIndex.INFO

Refractive index database


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Optical constants of HOYA - FD (Dense flint)
E-FD5

Wavelength: µm
 (0.360 – 1.550)  
 

Complex refractive index (n+ik)[ i ]


n   k   LogX   LogY   eV

Derived optical constants

Dispersion formula

$$n^2=2.7135839-0.011419719λ^{2}+0.026133708λ^{-2}+0.0017576479λ^{-4}-0.00013307737λ^{-6}+1.5203351\text{×}10^{-05}λ^{-8}$$

Conditions & Spec sheet

n_absolute: false
wavelength_vacuum: false
temperature: 20.0 °C
thermal_dispersion:
  - type: "Schott formula"
    coefficients: -1.84917e-07 0.0 0.0 0.0 0.0 0.0
nd: 1.67270
Vd: 32.17
glass_code: 673322
density: 2.9 g/cm3
thermal_expansion:
  - temperature_range: -30 70 °C
    coefficient: 8.9e-06 K-1
  - temperature_range: 20 300 °C
    coefficient: 1.09e-05 K-1
dPgF: 0.0059
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

SF5 optical glass

SF5 is a popular optical glass. Most glass makers produce this or very similar glass under slightly different names.

SF5 and similar glasses produced by different makers

Maker Glass
Schott N-SF5
Hikari E-SF5
HOYA E-FD5
Sumita K-SFLD5
CDGM ZF2

HOYA Corporation

Hoya Corporation is a Japanese company manufacturing optical products.

External links


Glass

External links