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SUMMARY:Fundamentals of Biological Nonlinear Imaging from Nonlinear Optica
 l Scattering
DTSTART:20120521T121500
DTSTAMP:20260427T220735Z
UID:ed14f2e49df1035c1cae35b078fdde5dba0c8ca563238c07886699d6
CATEGORIES:Conferences - Seminars
DESCRIPTION:Prof. Jerry I. Dadap\, Columbia University\nIn the past decade
 s many new types of linear and nonlinear optical techniques have become be
 neficial to biological research. Techniques such as second harmonic genera
 tion (SHG)\, sum frequency generation (SFG)\, coherent anti stokes raman s
 cattering (CARS) have been developed and applied to biomedical research. T
 hese methods rely on fundamental light scattering processes that in princi
 ple contain information about many detailed aspects of the system under st
 udy. The development of the theory of optical second-order nonlinear optic
 al scattering from particles and structures comprised of centrosymmetric a
 nd non-centrosymmetric media is presented. Such theoretical framework is e
 ssential to the understanding of coherent second order optical imaging fro
 m endogenous biological structures. We begin by describing nonlinear scatt
 ering from simple shapes such as spheres and cylinders. Nonlinear scatteri
 ng from arbitrarily shaped particles is then presented within the limit of
  low index of refraction contrast. Within this approximation\, light scatt
 ering can be described by a finite set of nonlinear form factors that obey
  a certain set of selection rules.
LOCATION:SV1717a
STATUS:CONFIRMED
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