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Author: Zilong Wu (Ph. D.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 322
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Book Description
Optical metamaterials and metasurfaces, which are properly designed assembly of man-made building blocks with strong interactions with electromagnetic waves, have emerged as promising candidates to replace natural materials due to extraordinary capabilities in light manipulation. In particular, plasmonic metamaterials and metasurfaces have shown their potentials in surpassing diffraction limit, manipulating light beams, and enhancing energy conversion by substantially enhancing light-matter interactions through effects of surface plasmon polaritons (SPPs) or localized surface plasmons (LSPs). Although enormous breakthroughs in plasmonic metamaterials and metasurfaces have been made in the recent decades, the further development of this field towards practical applications has been limited by the lack of high throughput fabrication and the poor tunability in conventional designs. This dissertation presents the cost-effective nanofabrication, rationale design, numerical modelling, experimental demonstration, and application prototyping of new classes of plasmonic metamaterials and metasurfaces featured by moiré patterns. Firstly, we developed novel techniques based on conventional nanosphere lithography to achieve high-throughput nanofabrication of metamaterials and metasurfaces with three-dimensional (3D) and two-dimensional (2D) moiré configurations. Secondly, we demonstrated multiband moiré metasurfaces with flexible tunability based on plasmonic materials including Au and graphene, which have shown potentials as multifunctional biomedical platforms. Thirdly, we developed moiré chiral metamaterials with ultrathin thickness and precisely tunable chiroptical responses, which have been applied as ultrasensitive sensors to achieve label-free enantiodiscrimination of chiral molecules. Finally, we introduced dynamic tunability in moiré chiral metamaterials through stimuli-responsive manipulation of optical coupling in the metamaterials. The results presented in this dissertation could provide guidance to the development of tunable moiré metamaterials and metasurfaces from design and fabrication to characterization and device implementation, benefiting a range of applications from light manipulation to molecular sensing
Author: Zilong Wu (Ph. D.)
Publisher:
ISBN:
Category :
Languages : en
Pages : 322
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Book Description
Optical metamaterials and metasurfaces, which are properly designed assembly of man-made building blocks with strong interactions with electromagnetic waves, have emerged as promising candidates to replace natural materials due to extraordinary capabilities in light manipulation. In particular, plasmonic metamaterials and metasurfaces have shown their potentials in surpassing diffraction limit, manipulating light beams, and enhancing energy conversion by substantially enhancing light-matter interactions through effects of surface plasmon polaritons (SPPs) or localized surface plasmons (LSPs). Although enormous breakthroughs in plasmonic metamaterials and metasurfaces have been made in the recent decades, the further development of this field towards practical applications has been limited by the lack of high throughput fabrication and the poor tunability in conventional designs. This dissertation presents the cost-effective nanofabrication, rationale design, numerical modelling, experimental demonstration, and application prototyping of new classes of plasmonic metamaterials and metasurfaces featured by moiré patterns. Firstly, we developed novel techniques based on conventional nanosphere lithography to achieve high-throughput nanofabrication of metamaterials and metasurfaces with three-dimensional (3D) and two-dimensional (2D) moiré configurations. Secondly, we demonstrated multiband moiré metasurfaces with flexible tunability based on plasmonic materials including Au and graphene, which have shown potentials as multifunctional biomedical platforms. Thirdly, we developed moiré chiral metamaterials with ultrathin thickness and precisely tunable chiroptical responses, which have been applied as ultrasensitive sensors to achieve label-free enantiodiscrimination of chiral molecules. Finally, we introduced dynamic tunability in moiré chiral metamaterials through stimuli-responsive manipulation of optical coupling in the metamaterials. The results presented in this dissertation could provide guidance to the development of tunable moiré metamaterials and metasurfaces from design and fabrication to characterization and device implementation, benefiting a range of applications from light manipulation to molecular sensing
Author: Shangjr Gwo
Publisher: Elsevier
ISBN: 0323860184
Category : Technology & Engineering
Languages : en
Pages : 347
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Book Description
Plasmonic Materials and Metastructures: Fundamentals, Current Status, and Perspectives reviews the current status and emerging trends in the development of conventional and alternative plasmonic materials. Sections cover fundamentals and emerging trends of plasmonic materials development, including synthesis strategies (chemical and physical) and optical characterization techniques. Next, the book addresses fundamentals, properties, remaining barriers for commercial translation, and the latest advances and opportunities for conventional noble metal plasmonic materials. Fundamentals and advances for alternative plasmonic materials are also reviewed, including two-dimensional hybrid materials composed of graphene, monolayer transition metal dichalcogenides, boron nitride, etc. In addition, other sections cover applications of plasmonic metastructures enabled by plasmonic materials with improved material properties and newly discovered functionalities. Applications reviewed include quantum plasmonics, topological plasmonics, chiral plasmonics, nanolasers, imaging (metalens), active, and integrated technologies. Provides an overview of materials properties, characterization and fabrication techniques for plasmonic metastructured materials Includes key concepts and advances for a wide range of metastructured materials, including metamaterials, metasurfaces and epsilon-near-zero plasmonic metastructures Discusses emerging applications and barriers to commercial translation for quantum plasmonics, topological plasmonics, nanolasers, imaging and integrated technologies
Author: G. Shvets
Publisher: World Scientific
ISBN: 9814355283
Category : Science
Languages : en
Pages : 469
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Book Description
Manipulation of plasmonics from nano to micro scale. 1. Introduction. 2. Form-Birefringent metal and its plasmonic anisotropy. 3. Plasmonic photonic crystal. 4. Fourier plasmonics. 5. Nanoscale optical field localization. 6. Conclusions and outlook -- 11. Dielectric-loaded plasmonic waveguide components. 1. Introduction. 2. Design of waveguide dimensions. 3. Sample preparation and near-field characterization. 4. Excitation and propagation of guided modes. 5. Waveguide bends and splitters. 6. Coupling between waveguides. 7. Waveguide-ring resonators. 8. Bragg gratings. 9. Discussion-- 12. Manipulating nanoparticles and enhancing spectroscopy with surface plasmons. 1. Introduction. 2. Propulsion of gold nanoparticles with surface plasmon polaritons. 3. Double resonance substrates for surface-enhanced raman spectroscopy. 4. Conclusions and outlook -- 13. Analysis of light scattering by nanoobjects on a plane surface via discrete sources method. 1. Introduction. 2. Light scattering by a nanorod. 3. Light scattering by a nanoshell. 4. Summary -- 14. Computational techniques for plasmonic antennas and waveguides. 1. Introduction. 2. Time domain solvers. 3. Frequency domain solvers. 4. Plasmonic antennas. 5. Plasmonic waveguides. 6. Advanced structures. 7. Conclusions
Author: Anatoly V. Zayats
Publisher: John Wiley & Sons
ISBN: 111863442X
Category : Science
Languages : en
Pages : 266
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Book Description
This book, edited by two of the most respected researchers in plasmonics, gives an overview of the current state in plasmonics and plasmonic-based metamaterials, with an emphasis on active functionalities and an eye to future developments. This book is multifunctional, useful for newcomers and scientists interested in applications of plasmonics and metamaterials as well as for established researchers in this multidisciplinary area.
Author: Masafumi Kimata
Publisher: MDPI
ISBN: 3039360140
Category : Technology & Engineering
Languages : en
Pages : 124
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Book Description
Plasmonics and metamaterials are growing fields that consistently produce new technologies for controlling electromagnetic waves. Many important advances in both fundamental knowledge and practical applications have been achieved in conjunction with a wide range of materials, structures and wavelengths, from the ultraviolet to the microwave regions of the spectrum. In addition to this remarkable progress across many different fields, much of this research shares many of the same underlying principles, and therefore, significant synergy is expected. This Special Issue introduces the recent advances in plasmonics and metamaterials and discusses various applications, while addressing a wide range of topics, in order to explore the new horizons emerging for such research.
Author: Constantin Simovski
Publisher: Cambridge University Press
ISBN: 1108602878
Category : Science
Languages : en
Pages : 349
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Book Description
Metamaterials have established themselves as one of the most important topics in physics and engineering, and have found practical application across a wide variety of fields including photonics, condensed matter physics, materials science, and biological and medical physics. This modern and self-contained text delivers a pedagogical treatment of the topic, rooted within the fundamental principles of nanophotonics. A detailed and unified description of metamaterials and metasurfaces is developed, beginning with photonic crystals and their underlying electromagnetic properties before introducing plasmonic effects and key metamaterial configurations. Recent developments in research are also presented along with cutting-edge applications in the field. This advanced textbook will be invaluable to students and researchers working in the fields of optics and nanophotonics.
Author: Wenxiang Chen
Publisher:
ISBN:
Category :
Languages : en
Pages : 246
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Book Description
Metamaterials are artificial materials designed to create optical properties that do not exist in nature. They are assemblies of subwavelength structures that are tailored in size, shape, composition, and orientation to realize the desired property. Metamaterials are promising for applications in diverse areas: optical filters, lenses, holography, sensors, photodetectors, photovoltaics, photocatalysts, medical devices, and many more, because of their excellent abilities in bending, absorbing, enhancing and blocking light. However, the practical use of metamaterials is challenged by the lack of plasmonic materials with proper permittivity for different applications and the slow and expensive fabrication methods available to pattern sub-wavelength structures. We have also only touched the surface in exploring the innovative uses of metamaterials to solve world problems.In this thesis, we study the fundamental optical properties of metamaterial building blocks by designing material permittivity. We continuously tune the interparticle distance in colloidal Au nanocrystal (NC) solids via the partial ligand exchange process. Then we combine top-down nanoimprint lithography with bottom-up assembly of colloidal NCs to develop a large-area, low-cost fabrication method for subwavelength nanostructures. Via this method, we fabricate and characterize nano-antenna arrays of different sizes and demonstrate metasurface quarter wave-plates of different bandwidth, and compare their performances with simulation results. We also integrate the metasurfaces with chemically- and mechanically-responsive polymers for strong-signal sensing. In the first design, we combine ultrathin plasmonic nanorods with hydrogel to fabricate optical moisture sensors for agricultural use. In the second application, we design mechanically tunable Au grating resonances on a polydimethylsiloxane (PDMS) substrate. The dimensions of Au grating are carefully engineered to achieve a hybridized, ultrasharp, and ultrasensitive resonance peak.
Author: Zhen Liao
Publisher: Frontiers Media SA
ISBN: 2889768325
Category : Science
Languages : en
Pages : 147
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Book Description
Author: Paloma Arroyo Huidobro
Publisher: Cambridge University Press
ISBN: 9781108451055
Category : Technology & Engineering
Languages : en
Pages : 123
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Book Description
Metamaterials offer the possibility to control and manipulate electromagnetic radiation. Spoof surface plasmon metamaterials are the focus of this Element of the Metamaterials Series. The fundamentals of spoof surface plasmons are reviewed, and advances on plasmonic metamaterials based on spoof plasmons are presented. Spoof surface plasmon metamaterials on a wide range of geometries are discussed: from planar platforms to waveguides and localized modes, including cylindrical structures, grooves, wedges, dominos or conformal surface plasmons in ultrathin platforms. The Element closes with a review of recent advances and applications such as Terahertz sensing or integrated devices and circuits.
Author: Masanobu Iwanaga
Publisher: CRC Press
ISBN: 9814745073
Category : Science
Languages : en
Pages : 325
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Book Description
Plasmonic resonators, composed of metallic micro- and nanostructures, belong to the category of excited-state physics on resonances from gigahertz to petahertz. Dynamical physics is in contrast to ground-state physics, which includes thermal states, and is connected to diverse applications to enhance existing photo-induced effects and phenomena such as plasmon-enhanced photoluminescence and Raman scattering. This book has three main aims: to provide fundamental knowledge on plasmonic resonators, to explain diverse plasmonic resonators, and to stimulate further development in plasmonic resonators. Plasmon-related studies, which are sometimes called plasmonics and include a substantial portion of metamaterials, have shown significant development since the 1980s. The piled-up results are too numerous to study from the beginning, but this book summarizes those results, including the history (past), all the possible types of plasmonic resonators (present), and their wide range of applications (future). It provides the basics of plasmons and resonant physics for undergraduate students, the systematic knowledge on plasmonic resonators for graduate students, and cutting-edge and in-depth information on plasmon-enhancement studies for researchers who are not experts in plasmonics and metamaterials, thereby benefitting a wide range of readers who are interested in the nanotechnology involving metallic nanostructures.
