Fundamentals of fiber lasers and fiber amplifiers This book covers the fundamental aspects of fiber lasers and fiber amplifiers and includes a wide range of material from laser physics fundamentals to state of the art topics in this rapidly growing field of quantum electronics. Emphasis is placed on the nonlinear processes taking place in fiber lasers and amplifiers their similarities differences to and their advantages over other solid state lasers. The reader will learn basic principles of solid state physics and optical spectroscopy of laser active centers in fibers main operational laser regimes and practical recommendations and suggestions on fiber laser research laser applications and laser product development. The book will be useful for students researchers and professionals who work with lasers in the optical communications chemical and biological industries etc