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Second Harmonic Generation Imaging
book

Second Harmonic Generation Imaging

by Francesco S. Pavone, Paul J. Campagnola
April 2016
Intermediate to advanced content levelIntermediate to advanced
476 pages
21h 10m
English
CRC Press
Content preview from Second Harmonic Generation Imaging
Second Harmonic Generation Imaging56
3.2.5 Size Effects
We consider the case of a sphere of diameter d with a nonlinear susceptibility
χ
(3)
= 1 centered at the
focus, and embedded in a medium with the same index of refraction, but a null nonlinear susceptibility.
We note that, because there is no far-eld THG signal from an isotropic normally dispersive homoge-
neous medium [4], and because the propagation of the harmonic eld is a linear process, it is equivalent
to consider an object with a nonlinear susceptibility
χ
1
3( )
embedded in a medium with a nonlinear
susceptibility
χ
2
3( )
, or to consider an object with a nonlinear suscept
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Publisher Resources

ISBN: 9781439849156