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Program Highlights

Optical Topological Transition in Metamaterials

Manipulating the topology of iso-frequency surface provides a new approach for control of light-matter interaction. This is demonstrated using anisotropic metamaterials consisting of metal-dielectric layers. 

A high-performance, metal-free metamaterial in the near-IR

Metals have many disadvantages as components of optical metamaterials. Semiconductor-based materials overcome these problems. We build a high performance, all-semiconductor-based metamaterial by replacing metal with heavily-doped zinc oxide and demonstrate negative refraction in this near-infrared metamaterial. This demonstration

Moving and Rotating Particles with Low Light Levels

LCMRC researchers have developed a method for manipulating particles by light without touching them by using liquid crystals as a light-controlled host fluid.

Ferroelectric Liquid Crystal-Based Pico-Projectors

Center researchers are collaborating with spin-off Displaytech (now part of Micron Technologies) to develop ferroelectric liquid crystal (FLC) materials for application in picoprojectors.  The high-quality time sequential color and high brightness enabled by FLC switching speed, and high fill fact

Silicon/Organic Heterojunctions for Photovoltaics

In a photovoltaic cell, an incident photon creates an electron (black circle in top sketch) and a hole (open circle).

IRG-C: Self-assembly of ionic surfactants accelerated by graphics processing units (GPUs)

                                                                                                   

Ionic micellar assemblies have been simulated over μs time scales on GPUs (image on cover of Soft Matter).

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