RefractiveIndex.INFO Refractive index database

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Optical constants of HOYA - FD (Dense flint)
M-FD80

Wavelength: µm
 (0.37 – 1.55)  
 

Other optical constants

logX   logY   eV

Dispersion formula

$$n^2=2.7616380-1.1326330\text{×}10^{-2}λ^{2}+2.8653460\text{×}10^{-2}λ^{-2}+1.5290380\text{×}10^{-3}λ^{-4}-8.7435770\text{×}10^{-5}λ^{-6}+1.4965790\text{×}10^{-5}λ^{-8}$$

Comments

Refractive index is relative to air at standard conditions; Wavelength in dispersion formula is as measured in air and expressed in micrometers

Data

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

References

HOYA Optical Glass Master Datasheet

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