Terahertz Spectroscopy and Imaging

K.-E. Peiponen: Professor of optical material research from 1993 in the Department of Physics and Mathematics in University of Joensuu Professor of optical materials research from 1.1.2010 in Department of Physics and Mathematics in University of Eastern Finland A. Zeitler: -University Lecturer, Department of Chemical Engineering and Biotechnology, University of Cambridge, UK, Research Fellow, Gonville and Caius College, Cambridge, UK, Group leader of the Terahertz Applications Group, Department of Chemical Engineering and Biotechnology, Cambridge, UK M. Kuwata-Gonokami: 1998-present: Prof., Graduate school of Engineering, The Univ. of Tokyo 2010-present: Prof., Department of Physics, The Univ. of Tokyo 2001-2008: Director, Quantum-Phase Electronics Center, School of Engineering, The Univ. of Tokyo 2005-2007: Executive Advisor for the University President, The Univ. of Tokyo 2008-present: Director, Photon Science Center, The Univ. of Tokyo 1997-2002: Director, Cooperative Excitation Project, ERATO (JST) 1993, 1994: Consultant, AT&T Bell Laboratories, Murray Hill 1997-present: Adjunct Professor, College of Optical Sciences, The University of Arizona

• Transmission, reflection, refraction and scattering of Terahertz radiation.- Optical constants and dispersion relations in THz spectroscopy.- Scattering effects.- Converging Terahertz beam vs. plane wave.- Signal Processing – Wavelet Transform.- Signal Processing – Fractional Fourier transformation and spectrogram in signal processing of Terahertz pulses.- Terahertz Spectroscopy.- Crystalline and non-crystalline solids.- Liquids and Biomolecules.- Ellipsometry and active polarization control of Terahertz waves.- ATR sensing at terahertz frequencies.- Pump-probe spectroscopy.- Liquid crystals.- Waveguide spectroscopy.- Condensed matter physics.- Assignment of vibrational modes in crystalline materials.- On-chip pulsed Terahertz spectroscopy.- Nonlinear terahertz spectroscopy.- Terahertz Imaging.- Far-field / Near-field.- Biomedical Imaging.- Pharmaceutical imaging.- Terahertz tomography.- Security.- Artists’ materials characterization.- Interesting Physics at Terahertz Frequencies.- Plasmonic structures.