Nanoscopic optical imaging with optical tweezers and nonlinear optics
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abstract
In this report we evaluate a novel approach to nanoscopic optical imaging. It employs the active manipulation of optically transparent nanoparticles, which serve as coherent nano-emitters of light. By critical evaluation of all the components involved in this novel microscopic arrangement, we find that nanoparticles made out of high-refractive index materials, such as TiO2, CdS and ZnO, are the most suitable for the efficient trapping, manipulation, and generating sufficient amount of the third-harmonic light, which can be used for fluorescent imaging.