RefractiveIndex.INFO Refractive index database

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Optical constants of SUMITA - BPG
K-BPG2

Wavelength: µm
 (0.365 – 1.548)  
 

Other optical constants

logX   logY   eV

Dispersion formula

$$n^2=2.3902603-8.7371459\text{×}10^{-3}λ^{2}+1.4541638\text{×}10^{-2}λ^{-2}+1.6879648\text{×}10^{-4}λ^{-4}+1.3006747\text{×}10^{-5}λ^{-6}-7.1838473\text{×}10^{-8}λ^{-8}$$

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

Sumita Optical Glass Data Book

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