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Third Harmonic Intensity versus Pump Wavelength

Solid State Oxide Fluorides. Kenneth R. Poeppelmeier, Northwestern University, DMR 1005827. The floating zone furnace (shown below at left) is used to grow large crystals needed for property measurement and applications ( eg SHG active materials for photonic technologies).

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Third Harmonic Intensity versus Pump Wavelength

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  1. Solid State Oxide Fluorides Kenneth R. Poeppelmeier, Northwestern University, DMR 1005827 The floating zone furnace (shown below at left) is used to grow large crystals needed for property measurement and applications (eg SHG active materials for photonic technologies). A single crystal of Cu2O measuring 1 cm in diameter and 4 cm long is shown at right. Single crystals of Cu2O allow analysis of 3rd harmonic generation (shown below) and exciton behavior. Third Harmonic Intensity versus Polarization and Luminescence Wavelength Third Harmonic Intensity versus Pump Wavelength Pump Wavelength (nm) Brightness (arbitrary) Brightness (arbitrary) Polarization Angle (π) Luminescence Wavelength (nm) Wavelength (nm)

  2. Solid State Oxide Fluorides Kenneth R. Poeppelmeier, Northwestern University, DMR 1005827 Broader Impacts • Science outreach to the community • mentoring high school research • Science In The Classroom - science outreach program for 3rd and 4th grade classes at a local elementary school • Designing and developing curricula through the Graduate Teaching Certificate Program at Northwestern’s Searle Center for Teaching Excellence. • Integrating solid state research techniques and modern experiments into the Chemistry department’s new curriculum for the chemistry major. • Involving women and minorities into the interdisciplinary approach of the group which includes strong collaborations with chemists, engineers, and physicists. • Mentoring undergraduate researchers on independent projects that prepare them for graduate study or careers in industry. Graduate Students:, Martin Donakowski (PhD Student), Kelvin Chang (PhD Student), Michael Holland (PhD Student) Post Doctorals: Dr. Romain Gautier (2007-2009) PhDUniversité de Rennes Visiting Pre Doctorals: Arno GoerneRWTH Aachen University, Hongcheng Lu Undergraduate Students: Stacy Vinkour Collaborators:Erin Sorensen (PhD 2005), ONR MURI Grant N00014-01-1-0810; Dr. John Vaughey, Argonne National Laboratory; Professor Shiv Halasyamani, University of Texas-Houston; Professor Juan Nino, University of Florida; Professor Sylvie Malo, Université de Caen Basse-Normandie; Professor AashaSundaresan, Jawaharlal Nehru Centre for Advanced Scientific Research; Professor James Rondinelli, Drexel University; and Professor Shilie Pan, Xinjiang Technical Institute of Physics & Chemistry, Chinese Academy of Sciences

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