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Nonlinear Optics For Nanoparticle Tracking And Materials Characterization, Angela Christina Aguilar
Nonlinear Optics For Nanoparticle Tracking And Materials Characterization, Angela Christina Aguilar
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A high-speed 3D imaging method is developed by integrating ultrafast laser pulse shaping, temporal focusing microscopy and defocused imaging. This system does not require mechanical movement of either the stage or laser beam. Axial scanning is achieved by manipulation of group velocity dispersions on the femtosecond laser spectrum via pulse shaping method by applying modulation functions on an acoustic optical modulator which diffracts the laser spectrum. The scanning depth becomes only dependent on electronic signals which can be tuned to kHz speeds. The volumetric high-speed scanning capability was demonstrated on fluorescent microspheres suspended in a volume of 100 x100 x …