This book aims to provide a comprehensive examination of the fundamental aspects of lasers and holography. It represents a self-contained treatment of the basic and state-of-the-art topics on the two subjects in a single volume. The book covers the latest technological developments and major advances that have taken place in the past decade and includes recent applications in medicine and information processing. The book is intended to fulfill the needs of both researchers and graduate students for a single source book containing the necessary and relevant material in the areas of lasers and holography.