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Optical Antennas
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Download or read book Optical Antennas written by Mario Agio and published by Cambridge University Press. This book was released on 2013-01-03 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: This consistent and systematic review of recent advances in optical antenna theory and practice brings together leading experts in the fields of electrical engineering, nano-optics and nano-photonics, physical chemistry and nanofabrication. Fundamental concepts and functionalities relevant to optical antennas are explained, together with key principles for optical antenna modelling, design and characterisation. Recognising the tremendous potential of this technology, practical applications are also outlined. Presenting a clear translation of the concepts of radio antenna design, near-field optics and field-enhanced spectroscopy into optical antennas, this interdisciplinary book is an indispensable resource for researchers and graduate students in engineering, optics and photonics, physics and chemistry.
Download or read book Optical Antennas written by Mario Agio and published by Cambridge University Press. This book was released on 2013-01-03 with total page 481 pages. Available in PDF, EPUB and Kindle. Book excerpt: This consistent and systematic review of recent advances in optical antenna theory and practice brings together leading experts in the fields of electrical engineering, nano-optics and nano-photonics, physical chemistry and nanofabrication. Fundamental concepts and functionalities relevant to optical antennas are explained, together with key principles for optical antenna modelling, design and characterisation. Recognising the tremendous potential of this technology, practical applications are also outlined. Presenting a clear translation of the concepts of radio antenna design, near-field optics and field-enhanced spectroscopy into optical antennas, this interdisciplinary book is an indispensable resource for researchers and graduate students in engineering, optics and photonics, physics and chemistry.
Book Synopsis Optical Antennas by : Matthias Dominik Wissert
Download or read book Optical Antennas written by Matthias Dominik Wissert and published by KIT Scientific Publishing. This book was released on 2014-09-03 with total page 212 pages. Available in PDF, EPUB and Kindle. Book excerpt: The linear and nonlinear resonance behaviour of optical antennas (metallic nanostructures showing resonance behaviour at optical frequencies) made of gold and aluminum using electron-beam lithography is investigated. Specifically, it is of interest how the emission behaviour is changed by the coupling of two antenna arms via a small gap. Experimental techniques applied include dark-field spectroscopy and two-photon luminescence.
Book Synopsis Plasmonic Optical Antennas for Enhanced Light Detection and Emission by : Edward Simon Barnard
Download or read book Plasmonic Optical Antennas for Enhanced Light Detection and Emission written by Edward Simon Barnard and published by Stanford University. This book was released on 2011 with total page 118 pages. Available in PDF, EPUB and Kindle. Book excerpt: Antennas are used across a wide range of frequencies in the electromagnetic spectrum to concentrate wave energy into electronic circuits. The principles that govern the operation of conventional radio-frequency antennas can be extended to much higher frequencies and be applied to produce nano-metallic (i.e. plasmonic) antennas that act as "receivers" and "transmitters" for visible light. These traits make them excellent candidates for light trapping in solar cells, light concentration in sub-wavelength photodetectors, or even localized heating for cancer therapies. The unique optical properties of metals at visible frequencies make it difficult to apply traditional antenna design rules. Using full-field electromagnetic simulations and analytical antenna models, we developed new design rules for producing optical antennas with a desired set of optical properties. We then applied these design rules to create antennas that resonantly enhance absorption on thin silicon detectors as well as enhance emission of cathodoluminescence (CL). Through spatial and spectral mapping of both photocurrent and CL we clearly show the fundamental and higher-order resonant modes of these antennas. With CL we are also able to map the spatial distribution of these resonant modes with nanometer resolution. In addition to these specific demonstrated applications, the results of this work enable optical engineers to more easily design a myriad of plasmonic devices that employ optical antenna structures, including nanoscale photodetectors, light sources, sensors, and modulators.
Book Synopsis Rectenna Solar Cells by : Garret Moddel
Download or read book Rectenna Solar Cells written by Garret Moddel and published by Springer Science & Business Media. This book was released on 2013-09-16 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rectenna Solar Cells discusses antenna-coupled diode solar cells, an emerging technology that has the potential to provide ultra-high efficiency, low-cost solar energy conversion. This book will provide an overview of solar rectennas, and provide thorough descriptions of the two main components: the diode, and the optical antenna. The editors discuss the science, design, modeling, and manufacturing of the antennas coupled with the diodes. The book will provide concepts to understanding the challenges, fabrication technologies, and materials required to develop rectenna structures. Written by experts in their specialized fields.
Author :Javier Alda Publisher :SPIE-International Society for Optical Engineering ISBN 13 :9781510613584 Total Pages :0 pages Book Rating :4.6/5 (135 download)
Book Synopsis Infrared Antennas and Resonant Structures by : Javier Alda
Download or read book Infrared Antennas and Resonant Structures written by Javier Alda and published by SPIE-International Society for Optical Engineering. This book was released on 2017 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains the basics of electromagnetism applicable to the interaction of light with metallic structures having a size comparable to the wavelength, then discusses the special behaviour of metals; how to model, design, and validate through simulation of the proposed geometries; how to fabricate the most promising device designs; and various characterization techniques.
Book Synopsis Fundamentals of Antennas by : Christos G. Christodoulou
Download or read book Fundamentals of Antennas written by Christos G. Christodoulou and published by SPIE Press. This book was released on 2001 with total page 112 pages. Available in PDF, EPUB and Kindle. Book excerpt: Annotation This tutorial explains antenna theory and operation and is intended for students, engineers, and researchers. Basic wire antennas and array antennas are described in detail and other types are introduced, including reflectors, lenses, horns, microstrip, Yagi, and frequency-independent antennas.
Download or read book Optical Antennas written by Mario Agio and published by . This book was released on 2012 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: A consistent and systematic review of recent advances in optical antenna theory and practice, written by leading experts.
Book Synopsis Principles of Nano-Optics by : Lukas Novotny
Download or read book Principles of Nano-Optics written by Lukas Novotny and published by Cambridge University Press. This book was released on 2012-09-06 with total page 583 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fully revised and in its second edition, this standard reference on nano-optics is ideal for graduate students and researchers alike.
Book Synopsis Surface Electromagnetics by : Fan Yang
Download or read book Surface Electromagnetics written by Fan Yang and published by Cambridge University Press. This book was released on 2019-06-20 with total page 489 pages. Available in PDF, EPUB and Kindle. Book excerpt: Written by the leading experts in the field, this text provides systematic coverage of the theory, physics, functional designs, and engineering applications of advanced engineered electromagnetic surfaces. All the essential topics are included, from the fundamental theorems of surface electromagnetics, to analytical models, general sheet transmission conditions (GSTC), metasurface synthesis, and quasi-periodic analysis. A plethora of examples throughout illustrate the practical applications of surface electromagnetics, including gap waveguides, modulated metasurface antennas, transmit arrays, microwave imaging, cloaking, and orbital angular momentum (OAM ) beam generation, allowing readers to develop their own surface electromagnetics-based devices and systems. Enabling a fully comprehensive understanding of surface electromagnetics, this is an invaluable text for researchers, practising engineers and students working in electromagnetics antennas, metasurfaces and optics.
Book Synopsis Modern Lens Antennas for Communications Engineering by : John Thornton
Download or read book Modern Lens Antennas for Communications Engineering written by John Thornton and published by John Wiley & Sons. This book was released on 2013-03-06 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt: The aim of this book is to present the modern design principles and analysis of lens antennas. It gives graduates and RF/Microwave professionals the design insights in order to make full use of lens antennas. Why do we want to write a book in lens antennas? Because this topic has not been thoroughly publicized, its importance is underestimated. As antennas play a key role in communication systems, recent development in wireless communications would indeed benefit from the characteristics of lens antennas: low profile, and low cost etc. The major advantages of lens antennas are narrow beamwidth, high gain, low sidelobes and low noise temperature. Their structures can be more compact and weigh less than horn antennas and parabolic antennas. Lens antennas with their quasi-optical characteristics, also have low loss, particularly at near millimeter and submillimeter wavelengths where they have particular advantages. This book systematically conducts advanced and up-to-date treatment of lens antennas.
Book Synopsis Dielectric Optical Antenna Thermal Emitters and Metamaterials by : Jonathan Aaron Schuller
Download or read book Dielectric Optical Antenna Thermal Emitters and Metamaterials written by Jonathan Aaron Schuller and published by . This book was released on 2009 with total page 64 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Antennas by : Aluc Andrea Agio Mario
Download or read book Optical Antennas written by Aluc Andrea Agio Mario and published by . This book was released on 2013 with total page 482 pages. Available in PDF, EPUB and Kindle. Book excerpt: This consistent and systematic review of recent advances in optical antenna theory and practice brings together leading experts in the fields of electrical engineering, nano-optics and nano-photonics, physical chemistry and nanofabrication. Fundamental concepts and functionalities relevant to optical antennas are explained, together with key principles for optical antenna modelling, design and characterisation. Recognising the tremendous potential of this technology, practical applications are also outlined. Presenting a clear translation of the concepts of radio antenna design, near-field optics and field-enhanced spectroscopy into optical antennas, this interdisciplinary book is an indispensable resource for researchers and graduate students in engineering, optics and photonics, physics and chemistry.
Book Synopsis Reflectarray Antennas by : Payam Nayeri
Download or read book Reflectarray Antennas written by Payam Nayeri and published by John Wiley & Sons. This book was released on 2018-02-23 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides engineers with a comprehensive review of the state-of-the-art in reflectarray antenna research and development. The authors describe, in detail, design procedures for a wide range of applications, including broadband, multi-band, multi-beam, contour-beam, beam-scanning, and conformal reflectarray antennas. They provide sufficient coverage of basic reflectarray theory to fully understand reflectarray antenna design and analysis such that the readers can pursue reflectarray research on their own. Throughout the book numerous illustrative design examples including numerical and experimental results are provided. Featuring in-depth theoretical analysis along with practical design examples, em style="mso-bidi-font-style: normal;"Reflectarray Antennas is an excellent text/reference for engineering graduate students, researchers, and engineers in the field of antennas. It belongs on the bookshelves of university libraries, research institutes, and industrial labs and research facilities.
Download or read book Metamaterials written by Tie Jun Cui and published by Springer Science & Business Media. This book was released on 2009-10-30 with total page 376 pages. Available in PDF, EPUB and Kindle. Book excerpt: Metamaterials:Theory, Design, and Applications goes beyond left-handed materials (LHM) or negative index materials (NIM) and focuses on recent research activity. Included here is an introduction to optical transformation theory, revealing invisible cloaks, EM concentrators, beam splitters, and new-type antennas, a presentation of general theory on artificial metamaterials composed of periodic structures, coverage of a new rapid design method for inhomogeneous metamaterials, which makes it easier to design a cloak, and new developments including but not limited to experimental verification of invisible cloaks, FDTD simulations of invisible cloaks, the microwave and RF applications of metamaterials, sub-wavelength imaging using anisotropic metamaterials, dynamical metamaterial systems, photonic metamaterials, and magnetic plasmon effects of metamaterials.
Book Synopsis Nanoantennas and Plasmonics by : Douglas H. Werner
Download or read book Nanoantennas and Plasmonics written by Douglas H. Werner and published by SciTech Publishing. This book was released on 2020-09-17 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book presents cutting-edge research advances in the rapidly growing areas of nanoantennas and plasmonics as well as their related enabling technologies and applications. It provides a comprehensive treatment of the field on subjects ranging from fundamental theoretical principles and new technological developments, to state-of-the-art device design, as well as examples encompassing a wide range of related sub-areas. The content of the book also covers highly-directive nanoantennas, all-dielectric and tuneable/reconfigurable devices, metasurface optical components, and other related topics.
Book Synopsis Optical Antennas for Single Emitters by : Tim Hugo Taminiau
Download or read book Optical Antennas for Single Emitters written by Tim Hugo Taminiau and published by . This book was released on 2014 with total page 108 pages. Available in PDF, EPUB and Kindle. Book excerpt: The interaction of light with matter is a central topic in both fundamental science and applied technology. At the heart of this interaction lies the absorption or emission of a photon by an electronic transition in for example an atom, molecule or semiconductor. Because such quantum emitters are generally much smaller than the wavelength of light, they interact slowly and omnidirectionally with light, limiting their absorption and emission. At radio frequencies similar issues were encountered and addressed long ago. Electrical circuits radiate little because they are much smaller than the corresponding wavelength. To enable wireless communication, they are connected to antennas that have dimensions in the order of the wavelength. These antennas are designed to effectively convert electrical signals into radiation and vice versa. The same concept can be applied in optics. The central idea of this thesis is that the interaction of a quantum emitter with light can be improved by near-field coupling it to the resonant plasmon modes of a metal nano-particle, which then acts as an optical antenna. In this way, excitation and emission rates can be enhanced, and the angular, polarization, and spectral dependence controlled. Chapter 1 of this thesis outlines these concepts and introduces optical antennas for single emitters. The experimental demonstration of optical antennas requires the near-field coupling of a single emitter to a resonant optical antenna. We fabricated optical monopole antennas on scanning probes, so that they can be precisely positioned near single fluorescent molecules. In this way we directly mapped the changes in the excitation and emission of a single quantum emitter as it is scanned near the antenna. Chapter 2 presents the results for the excitation part of the interaction. The enhanced excitation field at the antenna is highly confined (within 25 nm); the emitter only interacts with the antenna mode over this short distance. The antenna resonances were probed directly in the near-field and show that the antenna is indeed an optical analog of a monopole antenna. The experiments in Chapter 3 demonstrate how the antenna controls the emission. If the emitter is placed at the right position and if the antenna is tuned to resonance, the angular emission of the coupled system is determined by the antenna mode, regardless of the orientation of the emitter. In Chapter 4, we exploit that fact. We demonstrate, theoretically and experimentally, that the radiation from a single emitter coupled to a multi-element optical Yagi-Uda antenna is highly directed. We show that by reciprocity such a high directivity both enhances the excitation field and the collection efficiency. An intuitive way to understand optical antennas is as cavities for surface plasmon polaritons. In chapter 5, I present an extended description of the interaction of dipolar emitters with radiation through nano-rod antenna modes, by treating the antenna as a cavity. The results demonstrate how the properties of the antenna modes evolve from macroscopic perfectly conducting antennas to nanoscale plasmonic antennas, and highlight the similarities and differences between optical and conventional antennas. The results presented in this thesis show that optical antennas provide a new way to link single emitters to light. By designing the antenna the absorption and emission properties of the emitter can be tailored. More generally, optical antennas enhance and control light-matter interaction on the nano-scale, making them promising tools for applications in topics as diverse as high resolution near-field scanning optical microscopy, non-linear optics and spectroscopy, and photovoltaic devices.
