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Readers will learn in which ways light can be "confined" within a subwavelength region smaller than half a wavelength. Strictly within the focal spot, all degrees of freedom of light interact and manifest themselves in a dramatic way. The size and shape of the focal spot and the magnitude of side-lobes depend on the polarization state alongside phase and amplitude distributions of a light beam. Readers will learn techniques in which inhomogeneously (i.e., azimuthally and radially) polarized optical beams can be focused. In sharp focus, exotic phenomena can occur, including the negative propagation of light and a toroidal optical flow. Throughout the book, the numerical simulation is performe...
This book summarizes the theoretical and experimental studies confirming the concept of the liquid-crystalline nature of boundary lubrication in synovial joints. It is shown that cholesteric liquid crystals in the synovial liquid play a significant role in the mechanism of intra-articular friction reduction. The results of structural, rheological and tribological research of the creation of artificial synovial liquids containing cholesteric liquid crystals in natural synovial liquids are described. These liquid crystals reproduce the lubrication properties of natural synovia and provide a high chondroprotective efficiency. They were tested in osteoarthritis models and in clinical practice.
In tribute to the memory of Sergei Akhmanov, a pioneer in the field, Frontiers in Nonlinear Optics presents an overview of quantum electronics and nonlinear optics. The contributors, world leaders in this field, provide up-to-date surveys and current trends to ensure comprehensive coverage in all aspects of nonlinear optics. This fascinating collection is necessary reading both for researchers entering the field and for established researchers in nonlinear optics.
Publishes papers reporting on research and development in optical science and engineering and the practical applications of known optical science, engineering, and technology.
The Handbook Series on Semiconductor Parameters will consist of 5 volumes and will include data on the most popular semiconductor materials. These volumes aim to be a basic reference for scientists, engineers, students and technicians working in semiconductor materials and devices. The books have been kept compact but comprehensive and contain the values of frequently needed parameters selected and commented by leading experts on these materials. The first volume will include data on Si, Ge, diamond, GaAs, GaP, GaSb, InAs, InP, and InSb.
Containing the most reliable parameter values for each of these semiconductor materials, along with applicable references, these data are organized in a structured, logical way for each semiconductor material. * Reviews traditional semiconductor materials as well as new, advanced semiconductors. * Essential authoritative handbook on the properties of semiconductor materials.
The contributors of Policy, Planning, and People argue for the promotion of social equity and quality of life by designing and evaluating urban policies and plans. Edited by Naomi Carmon and Susan S. Fainstein, the volume features original essays by leading authorities in the field of urban planning and policy, mainly from the United States, but also from Canada, Hungary, Italy, and Israel. The contributors discuss goal setting and ethics in planning, illuminate paradigm shifts, make policy recommendations, and arrive at best practices for future planning. Policy, Planning, and People includes theoretical as well as practice-based essays on a wide range of planning issues: housing and neighb...