Written by a team of authors with experience in academia and industry, and brought together by an expert editor with a dual background in electrical engineering and materials science, this book is written for engineers in laser systems development at the laboratory or commercial scale. The book covers fibre and diode laser systems from academic and industrial perspectives, discusses the latest trends in high-power fibre laser development and applications, offers an overview of developments in diode laser systems, and addresses advanced applications of high-power lasers.