In this book the authors present several examples of techniques used to overcome the Abby diffraction limit using flat and 3D diffractive optical elements, photonic crystal lenses, photonic jets, and surface plasmon diffractive optics. The structures discussed can be used in the microwave and THz range and also as scaled models for optical frequencies. Such nano-optical microlenses can be integrated, for example, into existing semiconductor heterostructure platforms for next-generation optoelectronic applications. Chapter 1 considers flat diffractive lenses and innovative 3D radiating structures including a conical millimeter-wave Fresnel zone plate (FZP) lens proposed for subwavelength focusing. In chapter 2 the subwavelength focusing properties of diffractive photonic crystal lenses are considered and it is shown that at least three different types of photonic crystal lens are possible. With the aim of achieving subwavelength focusing, in chapter 3 an alternative mechanism to produce photonic jets at Terahertz frequencies (terajets) using 3D dielectric particles of arbitrary size (cuboids) is considered. A scheme to create a 2D “teraknife” using dielectric rods is also discussed. In the final chapter the successful adaptation of free-space 3D binary phase-reversal conical FZPs for operation on surface plasmon-polariton (SPP) waves demonstrates that analogues of Fourier diffractive components can be developed for in-plane SPP 3D optics. Review ing theory, modelling and experiment, this book will be a valuable resource for students and researchers working on nanophotonics and sub-wavelength focusing and imaging.
This book describes the recently-discovered artificially curved light beam known as the photonic hook. Self-bending of light, a long-time goal of optical scientists, was realized in 2007 with the Airy beam, followed by the first demonstration of the photonic hook by the authors of this book and their collaborators in 2015 and experimentally in 2019. The photonic hook has curvature less than the wavelength, along with other unique features described in this book that are not shared by Airy-like beams, and so deepens our understanding of light propagation. This book discusses the general principles of artificial near-field structured curved light and the full-wave simulations of the photonic hook along with their experimental confirmation. The book goes on to show how the photonic hook has implications for acoustic and surface plasmon waves and as well as applications in nanoparticle manipulation.
Antennas represent a critical technology in any of these wireless systems. Not only do they directly affect the received power of the system, they are also typically the largest and most visible part. Recently, the need for low-cost, low-profile, and lightweight antenna in the frequency range of the microwave/millimeter wave/THz band has regained momentum. "Basic Principles of Fresnel Antenna Arrays" provides us a with the basics of the various Fresnel Antenna approaches, in order to achieve low-cost, low-profile, and lightweight antenna in the microwave/millimeter wave band. A potential solution of the antenna problem lies in using lens technology in an array. The Fresnel zone plate lens (FZPL) antenna is in particular an interesting candidate for the array element. The limiting focusing properties of FZPL including subwave length focus are described in detail. The book further presents a novel hexagonal FZPL antenna which can be more effectively packed in an array due to its shape. Before considering the hexagonal FZPL antenna in an array, the authors investigate two ideas, described as methods to potentially improve the radiation characteristics. The first idea is to change the reference phase of the Fresnel zone radii - a novel free parameter in the usual design of zone plate’s lenses and antennas. To further improve the radiation characteristics of the hexagonal FZPL antenna, a technique involving Fresnel zone rotation is investigated. The book is of interest for designers of optical systems because, taking scaling effects into account, the characteristics of diffractive quasioptical elements are valid for diffractive focusing elements of integrated optics.
This book describes the recently-discovered artificially curved light beam known as the photonic hook. Self-bending of light, a long-time goal of optical scientists, was realized in 2007 with the Airy beam, followed by the first demonstration of the photonic hook by the authors of this book and their collaborators in 2015 and experimentally in 2019. The photonic hook has curvature less than the wavelength, along with other unique features described in this book that are not shared by Airy-like beams, and so deepens our understanding of light propagation. This book discusses the general principles of artificial near-field structured curved light and the full-wave simulations of the photonic hook along with their experimental confirmation. The book goes on to show how the photonic hook has implications for acoustic and surface plasmon waves and as well as applications in nanoparticle manipulation.
This book is planned to publish with an objective to provide a state-of-art reference book in the area of microsensors for engineers, scientists, applied physicists and post-graduate students. Also the aim of the book is the continuous and timely dissemination of new and innovative research and developments in microsensors. This reference book is a collection of 13 chapters characterized in 4 parts: magnetic sensors, chemical, optical microsensors and applications. This book provides an overview of resonant magnetic field microsensors based on MEMS, optical microsensors, the main design and fabrication problems of miniature sensors of physical, chemical and biochemical microsensors, chemical microsensors with ordered nanostructures, surface-enhanced Raman scattering microsensors based on hybrid nanoparticles, etc. Several interesting applications area are also discusses in the book like MEMS gyroscopes for consumer and industrial applications, microsensors for non invasive imaging in experimental biology, a heat flux microsensor for direct measurements in plasma surface interactions and so on.
Antennas represent a critical technology in any of these wireless systems. Not only do they directly affect the received power of the system, they are also typically the largest and most visible part. Recently, the need for low-cost, low-profile, and lightweight antenna in the frequency range of the microwave/millimeter wave/THz band has regained momentum. "Basic Principles of Fresnel Antenna Arrays" provides us a with the basics of the various Fresnel Antenna approaches, in order to achieve low-cost, low-profile, and lightweight antenna in the microwave/millimeter wave band. A potential solution of the antenna problem lies in using lens technology in an array. The Fresnel zone plate lens (FZPL) antenna is in particular an interesting candidate for the array element. The limiting focusing properties of FZPL including subwave length focus are described in detail. The book further presents a novel hexagonal FZPL antenna which can be more effectively packed in an array due to its shape. Before considering the hexagonal FZPL antenna in an array, the authors investigate two ideas, described as methods to potentially improve the radiation characteristics. The first idea is to change the reference phase of the Fresnel zone radii - a novel free parameter in the usual design of zone plate’s lenses and antennas. To further improve the radiation characteristics of the hexagonal FZPL antenna, a technique involving Fresnel zone rotation is investigated. The book is of interest for designers of optical systems because, taking scaling effects into account, the characteristics of diffractive quasioptical elements are valid for diffractive focusing elements of integrated optics.
In the years following the Russian Revolution, a bitter civil war was waged between the Bolsheviks, with their Red Army of Workers and Peasants on the one side, and the various groups that constituted the anti-Bolshevik movement on the other. The major anti-Bolshevik force was the White Army, whose leadership consisted of former officers of the Russian imperial army. In the received—and simplified—version of this history, those Jews who were drawn into the political and military conflict were overwhelmingly affiliated with the Reds, while from the start, the Whites orchestrated campaigns of anti-Jewish violence, leading to the deaths of thousands of Jews in pogroms in the Ukraine and elsewhere. In Russian Jews Between the Reds and the Whites, 1917-1920, Oleg Budnitskii provides the first comprehensive historical account of the role of Jews in the Russian Civil War. According to Budnitskii, Jews were both victims and executioners, and while they were among the founders of the Soviet state, they also played an important role in the establishment of the anti-Bolshevik factions. He offers a far more nuanced picture of the policies of the White leadership toward the Jews than has been previously available, exploring such issues as the role of prominent Jewish politicians in the establishment of the White movement of southern Russia, the "Jewish Question" in the White ideology and its international aspects, and the attempts of the Russian Orthodox Church and White diplomacy to forestall the establishment of a Jewish state in Palestine. The relationship between the Jews and the Reds was no less complicated. Nearly all of the Jewish political parties severely disapproved of the Bolshevik coup, and the Red Army was hardly without sin when it came to pogroms against the Jews. Budnitskii offers a fresh assessment of the part played by Jews in the establishment of the Soviet state, of the turn in the policies of Jewish socialist parties after the first wave of mass pogroms and their efforts to attract Jews to the Red Army, of Bolshevik policies concerning the Jewish population, and of how these stances changed radically over the course of the Civil War.
Islamic Visual Culture, 1100-1800 is the second in a set of four volumes of studies on Islamic art by Oleg Grabar. Between them they bring together more than eighty articles, studies and essays, work spanning half a century by a master of the field. Each volume takes a particular section of the topic, the three other volumes being entitled: Early Islamic Art 650-1100; Islamic Art and Beyond; and Jerusalem. Reflecting the many incidents of a long academic life, they illustrate one scholar's attempt at making order and sense of 1400 years of artistic growth. They deal with architecture, painting, objects, iconography, theories of art, aesthetics and ornament, and they seek to integrate our knowledge of Islamic art with Islamic culture and history as well as with the global concerns of the History of Art. In addition to the articles selected, each volume contains an introduction which describes, often in highly personal ways, the context in which Grabar's scholarship developed and the people who directed and mentored his efforts. The focus of the present volume is on the key centuries - the eleventh through fourteenth - during which the main directions of traditional Islamic art were created and developed and for which classical approaches of the History of Art were adopted. Manuscript illustrations and the arts of objects dominate the selection of articles, but there are also forays into later times like Mughal India and into definitions of area and period styles, as with the Mamluks in Egypt and the Ottomans, or into parallels between Islamic and Christian medieval arts.
In this book the authors present several examples of techniques used to overcome the Abby diffraction limit using flat and 3D diffractive optical elements, photonic crystal lenses, photonic jets, and surface plasmon diffractive optics. The structures discussed can be used in the microwave and THz range and also as scaled models for optical frequencies. Such nano-optical microlenses can be integrated, for example, into existing semiconductor heterostructure platforms for next-generation optoelectronic applications. Chapter 1 considers flat diffractive lenses and innovative 3D radiating structures including a conical millimeter-wave Fresnel zone plate (FZP) lens proposed for subwavelength focusing. In chapter 2 the subwavelength focusing properties of diffractive photonic crystal lenses are considered and it is shown that at least three different types of photonic crystal lens are possible. With the aim of achieving subwavelength focusing, in chapter 3 an alternative mechanism to produce photonic jets at Terahertz frequencies (terajets) using 3D dielectric particles of arbitrary size (cuboids) is considered. A scheme to create a 2D “teraknife” using dielectric rods is also discussed. In the final chapter the successful adaptation of free-space 3D binary phase-reversal conical FZPs for operation on surface plasmon-polariton (SPP) waves demonstrates that analogues of Fourier diffractive components can be developed for in-plane SPP 3D optics. Review ing theory, modelling and experiment, this book will be a valuable resource for students and researchers working on nanophotonics and sub-wavelength focusing and imaging.
This book discusses in depth many of the key problems in non-equilibrium physics. The origin of macroscopic irreversible behavior receives particular attention and is illustrated in the framework of solvable models. An updated discussion on the linear response focuses on the correct electrodynamic aspects, which are essential for example, in the proof of the Nyquist theorem. The material covers the scaling relationship between different levels of description (kinetic to hydrodynamic) as well as spontaneous symmetry breaking in real time in terms of nonlinear dynamics (attractors), illustrated using the example of Bose-Einstein condensation. The presentation also includes the latest developments - quantum kinetics - related to modern ultrafast spectroscopy, where transition from reversible to irreversible behavior occurs.
The monograph covers the issues related to the evolution of land tenure systems, land reforms, the main features of formal land law that is in force in the various legal systems of the countries of South, East, and Southeast Asia, and customary land rights. The current state of land law in Asian countries: land rights, the provision and suspension of these rights, the relationship between formal law and customary land tenure systems, the problems of recognizing customary communal land rights are analyzed. For students, graduate students and teachers of law schools, employees of legislative, executive and judicial authorities, as well as for all those interested in issues of land, civil law and comparative jurisprudence.
Russia is the worlds largest country. It has a vast history dating back more than one thousand years. During its existence it has seen many wars, different leaders, and political confrontations. Today Russia is an independent nation with many traditions. Its people are diverse. This book takes an in-depth look at Russia and describes how it became the country it is today. All books of the critically-acclaimed Cultures of the World® series ensure an immersive experience by offering vibrant photographs with descriptive nonfiction narratives, and interactive activities such as creating an authentic traditional dish from an easy-to-follow recipe. Copious maps and detailed timelines present the past and present of the country, while exploration of the art and architecture help your readers to understand why diversity is the spice of Life.
The monograph being proposed for the English-speaking research community is concentrated on the atmospheric correction of satellite images as a part of thematic interpretation procedures while processing remote sensing data. For linguistic reasons a large section of the community may have been unaware of the progress made in Russia in this field of science and technology. Meanwhile, Russia was the first country to launch the first artificial satellite in 1957 and to obtain from space for the first time spectra of the Earth's atmosphere in the 1960's. New applications of the radiation transfer theory for the atmosphere underlying surface system appeared first in Russia in the 1970's. Direct and in verse problems of the atmospheric optics were then formulated giving the scientific basis for studies of natural resources from space. Since that time new mathematical treatments for the atmospheric correction procedures have been widely developed in Russia, including both analytical and numerical tech niques to simulate spectral, angular, and spatial distributions of the outgoing radiation in visual and infrared regions. The authors of the book were at the beginning of the scientific approach. A wide range of mathematical im provements to elaborate polinomial approximations for dependencies between atmospheric radiation field and parameters of space surveying was due to the necessity to process satellite images in real time using special software of ex isted computer means for the studies.
Over 43,000 Il-2/10s were built between 1941 and 1955, more than any other combat aircraft in history, making this one of the most important Soviet aircraft deployed in World War II. Built originally as a two-seater, the Il-2 had lost the rear gunner's position by the time it started to reach frontline units. Armed with ground-attack rockets, the aircraft proved deadly against Wehrmacht panzers as pairs of Il-2s roamed the frontline at low level. However, the Shturmoviks (armoured attackers) were vulnerable to attack from the rear by enemy fighters, so Ilyushin reverted to the two-seat layout in September 1942. Oleg Rastrenin provides a fascinating account of the complex development history of a plane that was crucial to Russia's defence. From Stalingrad to Kursk to Berlin, this book charts the aeroplane's vital contribution to the most famous battles of the Eastern front.
Handbook of Non-Ferrous Metal Powders: Technologies and Applications, Second Edition, provides information on the manufacture and use of powders of non-ferrous metals that has taken place for many years in the area previously known as Soviet Russia. It presents the huge amount of knowledge and experience that has built up over the last fifty years. Originally published in Russia by several prominent scientists, researchers and engineers, this presents an update to the first book that includes sections on classification, properties, treatment methods and production. This updated edition contains new content on the powders, along with newer methods of 3D printing. Covers the manufacturing methods, properties and importance of the following metals: aluminum, titanium, magnesium, copper, nickel, cobalt, zinc, cadmium, noble metals, rare earth metals, lead, tin and bismuth Includes new content on recent advances, such as additive manufacturing and 3D printing of non-ferrous metal alloys and specific powders for advanced techniques, including metal injection molding technologies Expands on topics such as safety engineering in the production of powders and advanced areas of engineering research, such as nanopowder processes
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