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Prof. Qiwen Zhan established and directs the research of the Nano Electro-Optics Laboratories (NEOL) at the University
of Dayton. His research
interests are mainly in the general area of physical optics. Specifically,
he is interested in utilizing modern fabrication tools to achieve
subwavelength spatial engineering of light wave properties (such as
polarization, intensity and phase) and subsequently manipulate the light
matter interactions on the nanometer scale. The localized light matter
interactions are exploited in various applications, including the
development of new nanoscale imaging capabilities for nanophotonics,
biophotonics, nanomaterials characterization and metrology.
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Nanophotonics is an
emerging multidisciplinary field that deals with light-matter interactions
on the nanoscale. Recent progress in nanophotonics has created new and
exciting technological opportunities. The interaction of light with
nanoscale matter can provide unique functionality for photonic devices, and
render unique information about their structural and dynamical properties,
enabling enormous numbers of new applications.
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Biophotonics is an exciting multidisciplinary science of
using light to understand the inner workings of cells and tissues in living
organisms. Applications of biophotonics range from using light to trap and
manipulate cells, selectively treat tumors, to sequencing DNA and
identifying single molecules within cells. Current major challenges for
biophotonics are: molecular scale imaging in living cells; identification of
single abnormal cells among health ones; understanding of DNA damage and
repair; sequencing of single DNA and non-invasive medical diagnosis and
optical therapy.
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Nanomaterials characterization and metrology is one of the
most important applications of nanophotonics. Recent rapid advances in nano-fabrication
severely stretched the capabilities of optical characterization and
metrology tools. New optical nanoscale imaging tools that can provide
spatially resolved optical, electrical, mechanical, and elemental analysis
capabilities will significantly benefit areas such as the nanomaterials
synthesis and next generation IC fabrication.
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