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Including numerous results and many illustrations, this book describes waves in focal regions. After an introductory section, it discusses approximate diffraction theories, efficient numerical methods, the physical interpretation of the theories, their accuracy, and the computational savings obtained. The next part deals with the focusing of scalar waves, followed by the diffraction and focusing of electromagnetic waves. The following part examines the focusing of sound and water waves by means of zone-plate lenses. The book concludes with a study of the diffraction and focusing of water waves and a comparison of the results of both linear and nonlinear theories with those of experiments.

This book explores a biomimetic approach for developing and improving photonic devices and structures. Leaders in the field discuss not only the mimicking of natural structures and solutions to engineering problems, but also the true understanding of natural processes and the application of these techniques to established technologies. Suitable for researchers and graduate students, the book does more than describe how to extract good design from nature¿it highlights natural design techniques in context, allowing for a more complete modeling picture.

Stimulated Brillouin scattering (SBS) is the important example of a stimulated scattering process - light scattering that occurs when the intensity of the light field itself affects the propagating medium. This work describes the underlying physics of SBS, much of which applies to other fields of research including, to some extent, plasma physics.

Choosing from the numerous 3D vision methods available can be frustrating for scientists and engineers, especially without a comprehensive resource to consult. Filling this gap, this handbook gives an in-depth look at the most popular 3D imaging techniques. Written by key players in the field and inventors of important imaging technologies, it helps you understand the core of 3D imaging technology and choose the proper 3D imaging technique for your needs. For each technique, the book provides its mathematical foundations, summarizes its successful applications, and discusses its limitations.

This book highlights how an understanding of singular optics provides a completely different way to look at light. Whereas traditional optics focuses on the shape and structure of the non-zero portions of the wavefield, singular optics describes a wave¿s properties from its null regions. The contents cover the three main areas of the field: the study of generic features of wavefields, determination of unusual properties of vortices and wavefields that contain singularities, and practical applications of vortices and other singularities.