Fluid analysis by laser-induced gratings in the mid- and near-infrared
The presentation will introduce the nonlinear optical method laser-induced grating scattering (LIGS) spectroscopy, which is capable of determining multiple physicochemical and thermodynamic parameters simultaneously. The focus will be on LIGS experiments employing excitation radiation in the mid- and near-infrared spectral range enabling vibrational spectroscopy. Example applications of LIGS to a variety of fluid systems including ionic liquids, gas mixtures, and flames are presented to highlight the potential and versatility of the method.
Prof. Dr. Johannes Kiefer is currently Chair Professor and Head of the division Technische Thermodynamik at the University of Bremen, Germany. In addition, he is an Honorary Professor at the University of Aberdeen, Scotland, and he holds a guest professorship of the Erlangen Graduate School in Advanced Optical Technologies (SAOT) at the University Erlangen-Nuremberg, Germany. Johannes holds a degree in chemical engineering and a doctorate from the University of Erlangen-Nuremberg. From 2010 to 2014, he was a Lecturer and Senior Lecturer at the University of Aberdeen, Scotland. His research interests are the areas of developing and applying linear and nonlinear spectroscopic techniques for the characterization of advanced materials and processes. Awards and honors (selected): Hinshelwood Prize 2012 of the Combustion Institute (British Section); WLT-Prize 2009 of the Scientific Society for Laser Technology; Royal Academy of Engineering/Exxon Mobile Excellence in teaching Award 2012.