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Optical constants of SUMITA - LaK (Lanthanum crown)
K-LaKn7

Wavelength: µm
 (0.365 – 1.548)  
 

Other optical constants

logX   logY   eV

Dispersion formula

$$n^2=2.7334938-1.0297317\text{×}10^{-2}λ^{2}+1.9448887\text{×}10^{-2}λ^{-2}+2.9196609\text{×}10^{-4}λ^{-4}+4.4649792\text{×}10^{-6}λ^{-6}+8.5785598\text{×}10^{-7}λ^{-8}$$

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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