Research

From OLEG

Contents 1 Funding Agencies & Collaborating Partners 2 Active Projects 3 Research Technology Primers 4 Research Gallery

Our focus is on advanced optical / electrical / fluidic systems with an emphasis on the following elements: “Soft” Materials (liquid crystals, functional polymers), Photonics, Holography, Optical Trapping Effects, and Numerical Simulations.

Funding Agencies & Collaborating Partners

• National Science Foundation (NSF)
• US Air Force Research Laboratories (AFRL)
• Kenan Institute for Engineering, Technology, and Science
• ImagineOptix Corp (Raleigh, NC)
• Boulder Nonlinear Systems Inc (Denver, CO)
• Southeast TechInventures (Research Triangle Park, NC)

Active Projects

Polarization-Independent LC Microdisplays Implemented with diffractive LC gratings and transmissive- and reflective-modes, includes fundamental optical and elastic continuum studies	Primary Application Area: Projection Displays Context keywords: Polarization Gratings, SLMs
Achromatic Polarization Gratings Design, modeling, and fabrication of achromatic polarization gratings (PGs) in forms of thin polymer films as well as active liquid crystal cells.
Reflective Polarization Gratings Polarization Gratings on Reflective Substrates (Aluminum, Silicon, etc.)
Low-loss Tunable Optical Filters Tunable optical filters based on Liquid Crystal Polarization Gratings
Finite-Difference Time-Domain (FDTD) Tool - WOLFSIM Open-Source code for analyzing anisotropic materials
Optofluidics Theoretical and experimental evaluation of the interaction of optical fields and dielectric particles in micro-scale fluidic systems.	Primary Application Area: Optical Trapping and Manipulation of Nano- and Micro-Particles Context keywords: Optical Trap, Optical Interference Landscape, Microfluidics
Wide-Angle Beamsteering An all-optical (non-mechanical) approach to beamsteering in an ultra-thin package	Primary Application Area: non-mechanical optical communication, remote sensing Context keywords: Polarization Gratings, Beam-Steering, Optical Communication
Imaging Spectrometry Ultra-compact spectral camera based on low-loss LC tunable optical filters	Primary Application Area: Medical Imaging/Diagnosis, Remote Sensing in Biology and Military Context keywords: Polarization Gratings, Spectrometry, Spectropolarimetry
Hyperspectral Imaging Polarimetry Ultra-compact spectral-polarimetric camera having snapshot capability
Organic Electronics Labs

Research Technology Primers

Under construction !!! It will be available soon.

Research Gallery

Scientific Images & Illustrations