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Refractive index database

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Optical constants of SUMITA - LaSF (Lanthanum dense flint)
K-LaSFn10

Wavelength: µm
 (0.365 – 1.548)  
 

Derived optical constants

logX   logY   eV

Dispersion formula

$$n^2=3.2128137-1.5587464\text{×}10^{-2}λ^{2}+2.8249299\text{×}10^{-2}λ^{-2}+8.6439607\text{×}10^{-4}λ^{-4}-2.9175496\text{×}10^{-5}λ^{-6}+2.9912535\text{×}10^{-6}λ^{-8}$$

Comments

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

References

Sumita Optical Glass Data Book

Data

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

INFO

SUMITA Optical Glass, Inc.

SUMITA Optical Glass, Inc. is a Japanese glass manufacturer

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