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Proceedings Paper

Utilizing nonlinear optical properties of nanoparticles for imaging and sensing
Author(s): Brian G. Yust; Neema Razavi; Francisco Pedraza; Dhiraj K. Sardar
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Paper Abstract

Nonlinear optical properties of barium titanate (BaTiO3) nanoparticles are investigated as a function of size and shape. BaTiO3 is an attractive option as a nonlinear material because it can exhibit a high second and third order electronic susceptibility even at the nanoscale. These particles are employed as contrast agents/biomarkers and phase conjugate nanomirrors in imaging, utilizing second harmonic generation for two-photon microscopy and four-wave mixing for three-photon microscopy and scattering reversal image enhancement. Silver is also used to create a shell around the BaTiO3 nanoparticle to see if a core/shell structure enhances any of the nonlinear effects.

Paper Details

Date Published: 2 February 2012
PDF: 6 pages
Proc. SPIE 8231, Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications VIII, 82310H (2 February 2012); doi: 10.1117/12.909009
Show Author Affiliations
Brian G. Yust, The Univ. of Texas at San Antonio (United States)
Neema Razavi, The Univ. of Texas at San Antonio (United States)
Francisco Pedraza, The Univ. of Texas at San Antonio (United States)
Dhiraj K. Sardar, The Univ. of Texas at San Antonio (United States)


Published in SPIE Proceedings Vol. 8231:
Nanoscale Imaging, Sensing, and Actuation for Biomedical Applications VIII
Alexander N. Cartwright; Dan V. Nicolau, Editor(s)

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