In opto-electronics and microwave technology, new research results are translated into technological developments and applications at a breathtaking pace. This congress and trade fair, held bienniallys since 1973, covers a broad spectrum of latest advances in laser technology, opto-electronics, and for the first time, microwave technology. The fundamental physical principles are explained in basic-level seminars, panel lectures provide an overview of major spezialized fields, and the latest results are described in individual lectures. This volume deals with the 12 papers presented at the Microwave Congress.