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Collaborative Research: Nonpolar Electrooptic Materials K. Singer, R. Petscheck CWRU R.Twieg KSU DMR-0308701.

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Education:

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  1. Collaborative Research: Nonpolar Electrooptic Materials K. Singer, R. Petscheck CWRU R.Twieg KSU DMR-0308701 Optical communications relies on the ability to place, transmit and extract information on optical fibers. The conversion of electronic into optical signals uses an electro-optic modulator. This collaborative research project is studying materials for these important applications from a number of different perspectives including the basic theory, physics and materials chemistry. We are investigating nonpolar aligned chiral materials, or materials possessing a handedness. This approach requires new concepts in molecular design and molecular self-assembly. Our research at the molecular level has revealed three classes of molecular materials that show considerable promise. We are currently investigating new schemes for assembly and self-assembly of these molecules into nonpolar aligned chiral electro-optic media. Tetrahedron Lett. 46, 5121-5125 (2005) A chiral helical assembly of l-shaped molecules. A collection of these with their axes aligned would qualify for our applications.

  2. Collaborative Research: Nonpolar Electrooptic Materials K. Singer, R. Petscheck CWRU R.Twieg KSU DMR-0308701 Education: Four undergraduates have participated in the project (Sarah Pokalski, Colleen Woodward, Justin Thrall, Thomas Boatwright,). Two graduate students have participated in the project (Greg Wiggers, Guilin Mao). Two postdoctoral researchers have participated as well (Lionel Sanguinet, Zhiyong Yang) This project has overlapped with the NSF-REU summer program at KSU where Jarrod Williams has been involved in material synthesis. Outreach: Students from Hathaway Brown High School’s nationally recognized research program have been involved in nonlinear optics research in our laboratories (Elysa Chao and Katie Poseiden). Elysa Chao was an Intel Science Talent Search Semifinalist. Postdoctoral researcher Dr. Lionel Sanguinet with best poster award at ICONO ‘8 Matsushima, Japan, 2005 The molecule depicted is a multipolar trinaphthyl carbocation he prepared for this project

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