About the Author
Hans Joachim Kupka earned his PhD in Laser Physics at the Technical University of Wroclaw, and from 1968 he researched at the Institute for Low Temperature and Structure Research at the Polish Academy of Science. In 1977, he joined the Heinrich Heine University in Dusseldorf, Germany, before continuing his research at the Max Planck Institute for Radiation Chemistry. Professor Kupka is the author of many publications in the ? elds of laser physics, theoretical chemistry, and spectroscopy of organic and anorganic compounds.