RefractiveIndex.INFO Refractive index database

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Optical constants of SF5
E-FD5 (HOYA)

Wavelength: µm
 (0.35 – 1.55)  
 

Other optical constants

logX   logY   eV

Dispersion formula

$$n^2=2.7135839-1.1419719\text{×}10^{-2}λ^{2}+2.6133708\text{×}10^{-2}λ^{-2}+1.7576479\text{×}10^{-3}λ^{-4}-1.3307737\text{×}10^{-4}λ^{-6}+1.5203351\text{×}10^{-5}λ^{-8}$$

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

More info - wiki

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