Physics of Lasers: Laser Modes and Coherence, Laser Imaging, Biomedical Imaging, Applications, Comparison of Strategies and Implementations

The field of laser physics stands at the forefront of modern technology, revolutionizing diverse domains from communication to medicine. The book explores the fundamental principles and cutting-edge applications of laser technology. Beginning with the foundational concepts of light spectra and excitation-induced population inversion, the book delves into the intricate dynamics of laser coherence and modes. The diversity of laser applications is showcased through comprehensive discussions on optical data transmission, precision machining, military applications, and geophysical measurements. Highlighting the versatility of highly coherent lasers, the book explores their role in suppressing speckles and advancing imaging techniques with unprecedented clarity. Innovative technologies such as degenerate cavities and vertical cavity surface emitting lasers (VCSELs) are examined for their unique advantages in various practical contexts. Special attention is given to advanced imaging modalities in medicine, emphasizing ultrahigh-resolution and speckle-free imaging techniques. By evaluating different strategies and implementations, this book not only provides a thorough understanding of laser physics but also anticipates future trends in optical technology. It serves as an indispensable resource for researchers, engineers, and students navigating the dynamic landscape of laser science and its multifaceted applications.