This book unfolds the innovative aspects of the advanced techniques used in optical physics. It concentrates on the applications of optical physics, which aids in advancing communications, medicine, manufacturing, and various other sectors. The study of electromagnetic radiation and the primary focus of this field. This book is a compilation of chapters that discuss the most vital concepts and emerging trends in this area of study. The various advancements in optical physics are glanced at and their applications as well as ramifications are looked at in detail. Scientists, students and researchers actively engaged in the field of optical physics will find this book full of crucial and unexplored concepts.