RefractiveIndex.INFO Refractive index database

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Optical constants of SUMITA - Glasses for precision molding
K-PSFn4

Wavelength: µm
 (0.365 – 1.548)  
 

Other optical constants

logX   logY   eV

Dispersion formula

$$n^2=3.2452002-1.1397767\text{×}10^{-2}λ^{2}+4.8209487\text{×}10^{-2}λ^{-2}+2.2384274\text{×}10^{-3}λ^{-4}-2.8034687\text{×}10^{-5}λ^{-6}+1.8880187\text{×}10^{-5}λ^{-8}$$

Comments

Glass for Precision Molding. 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

Sumita Optical Glass Data Book

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