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Littérature scientifique sur le sujet « All-Dielectric Metamaterial »

Auteur : Grafiati

Publié le 11 janvier 2025

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Articles de revues sur le sujet "All-Dielectric Metamaterial"

Peng, Mengyue, Faxiang Qin, Liping Zhou, Huijie Wei, Zihao Zhu et Xiaopeng Shen. « Material–structure integrated design for ultra-broadband all-dielectric metamaterial absorber ». Journal of Physics : Condensed Matter 34, n^o 11 (28 décembre 2021) : 115701. http://dx.doi.org/10.1088/1361-648x/ac431e.

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Abstract Material and structure are the essential elements of all-dielectric metamaterials. Structure design for specific dielectric materials has been studied while the contribution of material and synergistic effect of material and structure have been overlooked in the past years. Herein, we propose a material–structure integrated design (MSID) methodology for all-dielectric metamaterials, increasing the degree of freedom in the metamaterial design, to comprehensively optimize microwave absorption performance and further investigate the contribution of material and structure to absorption. A dielectric metamaterial absorber with an ultra-broadband absorption from 5.3 to 18.0 GHz is realized. Theoretical calculation and numerical simulation demonstrate that the symphony of material and structure excites multiple resonance modes encompassing quarter-wavelength interference cancellation, spoof surface plasmon polariton mode, dielectric resonance mode and grating mode, which is essential to afford the desirable absorption performance. This work highlights the superiority of coupling of material and structure and provides an effective design and optimization strategy for all-dielectric metamaterial absorbers.

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Luo, Tianhuan, Bo Li, Qian Zhao et Ji Zhou. « Dielectric Behavior of Low Microwave Loss Unit Cell for All Dielectric Metamaterial ». International Journal of Antennas and Propagation 2015 (2015) : 1–6. http://dx.doi.org/10.1155/2015/291234.

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With a deep study of the metamaterial, its unit cells have been widely extended from metals to dielectrics. The dielectric based unit cells attract much attention because of the advantage of easy preparation, tunability, and higher frequency response, and so forth. Using the conventional solid state method, we prepared a kind of incipient ferroelectrics (calcium titanate, CaTiO3) with higher microwave permittivity and lower loss, which can be successfully used to construct metamaterials. The temperature and frequency dependence of dielectric constant are also measured under different sintering temperatures. The dielectric spectra showed a slight permittivity decrease with the increase of temperature and exhibited a loss of 0.0005, combined with a higher microwave dielectric constant of ~167 and quality factorQof 2049. Therefore, CaTiO3is a kind of versatile and potential metamaterial unit cell. The permittivity of CaTiO3at higher microwave frequency was also examined in the rectangular waveguide and we got the permittivity of 165, creating a new method to test permittivity at higher microwave frequency.

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Fan, Wen, Bing Yan, Zengbo Wang et Limin Wu. « Three-dimensional all-dielectric metamaterial solid immersion lens for subwavelength imaging at visible frequencies ». Science Advances 2, n^o 8 (août 2016) : e1600901. http://dx.doi.org/10.1126/sciadv.1600901.

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Although all-dielectric metamaterials offer a low-loss alternative to current metal-based metamaterials to manipulate light at the nanoscale and may have important applications, very few have been reported to date owing to the current nanofabrication technologies. We develop a new “nano–solid-fluid assembly” method using 15-nm TiO2 nanoparticles as building blocks to fabricate the first three-dimensional (3D) all-dielectric metamaterial at visible frequencies. Because of its optical transparency, high refractive index, and deep-subwavelength structures, this 3D all-dielectric metamaterial-based solid immersion lens (mSIL) can produce a sharp image with a super-resolution of at least 45 nm under a white-light optical microscope, significantly exceeding the classical diffraction limit and previous near-field imaging techniques. Theoretical analysis reveals that electric field enhancement can be formed between contacting TiO2 nanoparticles, which causes effective confinement and propagation of visible light at the deep-subwavelength scale. This endows the mSIL with unusual abilities to illuminate object surfaces with large-area nanoscale near-field evanescent spots and to collect and convert the evanescent information into propagating waves. Our all-dielectric metamaterial design strategy demonstrates the potential to develop low-loss nanophotonic devices at visible frequencies.

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Bi, Ke, Qingmin Wang, Jianchun Xu, Lihao Chen, Chuwen Lan et Ming Lei. « All‐Dielectric Metamaterial Fabrication Techniques ». Advanced Optical Materials 9, n^o 1 (20 novembre 2020) : 2001474. http://dx.doi.org/10.1002/adom.202001474.

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Kivshar, Yuri. « All-dielectric meta-optics and non-linear nanophotonics ». National Science Review 5, n^o 2 (23 janvier 2018) : 144–58. http://dx.doi.org/10.1093/nsr/nwy017.

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Abstract Most optical metamaterials fabricated and studied to date employ metallic components resulting in significant losses, heat and overall low efficiencies. A new era of metamaterial physics is associated with all-dielectric meta-optics, which employs electric and magnetic Mie resonances of subwavelength particles with high refractive index for an optically induced magnetic response, thus underpinning a new approach to design and fabricate functional and practical metadevices. Here we review the recent developments in meta-optics and subwavelength dielectric photonics and demonstrate that the Mie resonances can play a crucial role in the realization of the unique functionalities of meta-atoms, also driving novel effects in the fields of metamaterials and nanophotonics. We discuss the recent research frontiers in all-dielectric meta-optics and uncover how Mie resonances can be employed for a flexible control of light with full phase and amplitude engineering, including unidirectional metadevices, highly transparent metasurfaces, non-linear nanophotonics and topological photonics.

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Wang, Jun, Shaobo Qu, Liyang Li, Jiafu Wang, Mingde Feng, Hua Ma, Hongliang Du et Zhuo Xu. « All-dielectric metamaterial frequency selective surface ». Journal of Advanced Dielectrics 07, n^o 05 (octobre 2017) : 1730002. http://dx.doi.org/10.1142/s2010135x1730002x.

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Frequency selective surface (FSS) has been extensively studied due to its potential applications in radomes, antenna reflectors, high-impedance surfaces and absorbers. Recently, a new principle of designing FSS has been proposed and mainly studied in two levels. In the level of materials, dielectric materials instead of metallic patterns are capable of achieving more functional performance in FSS design. Moreover, FSSs made of dielectric materials can be used in different extreme environments, depending on their electrical, thermal or mechanical properties. In the level of design principle, the theory of metamaterial can be used to design FSS in a convenient and concise way. In this review paper, we provide a brief summary about the recent progress in all-dielectric metamaterial frequency selective surface (ADM-FSS). The basic principle of designing ADM-FSS is summarized. As significant tools, Mie theory and dielectric resonator (DR) theory are given which illustrate clearly how they are used in the FSS design. Then, several design cases including dielectric particle-based ADM-FSS and dielectric network-based ADM-FSS are introduced and reviewed. After a discussion of these two types of ADM-FSSs, we reviewed the existing fabrication techniques that are used in building the experiment samples. Finally, issues and challenges regarding the rapid fabrication techniques and further development aspects are discussed.

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Lepetit, T., É Akmansoy, M. Paté et J. P. Ganne. « Broadband negative magnetism from all-dielectric metamaterial ». Electronics Letters 44, n^o 19 (2008) : 1119. http://dx.doi.org/10.1049/el:20081447.

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Sifat, Abid Anjum, Ayed Al Sayem et M. Mahmudul Hasan Sajeeb. « All dielectric metamaterial loaded tunable plasmonic waveguide ». AIP Advances 7, n^o 8 (août 2017) : 085312. http://dx.doi.org/10.1063/1.4989528.

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Shankhwar, Nishant, Yogita Kalra, Qiang Li et Ravindra Kumar Sinha. « Zero-index metamaterial based all-dielectric nanoantenna ». AIP Advances 9, n^o 3 (mars 2019) : 035115. http://dx.doi.org/10.1063/1.5086234.

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Moitra, Parikshit, Brian A. Slovick, Wei li, Ivan I. Kravchencko, Dayrl P. Briggs, S. Krishnamurthy et Jason Valentine. « Large-Scale All-Dielectric Metamaterial Perfect Reflectors ». ACS Photonics 2, n^o 6 (14 mai 2015) : 692–98. http://dx.doi.org/10.1021/acsphotonics.5b00148.

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Plus de sources

Thèses sur le sujet "All-Dielectric Metamaterial"

Lei, Qin. « All dielectric composites for metamaterial applications ». Thesis, University of Oxford, 2015. https://ora.ox.ac.uk/objects/uuid:2dd643a5-7590-44a2-833a-148ffaa655f6.

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This thesis describes my work on manufacturing of all dielectric polymer/ceramic composites for electromagnetic property customisation at microwave frequencies. Electromagnetic wave manipulation can be achieved with the help of transformation optics concept and metamaterials with desired permittivity and permeability properties. The use of all-dielectric metamaterials, in particular, offers a novel solution to broadband, low loss microwave devices. In this work, polymer/ceramic composites were studied to provide materials with a wide range of permittivity that can be customised precisely by optimised manufacturing routes. Thermoplastic perfluoroalkoxy (PFA) and thermoset epoxy were mainly used as polymer matrices and ferroelectric powders such as barium titanate used as ceramic fillers. Different composite types were fabricated by spraying, casting and 3D printing, with each manufacturing method carefully studied to produce stable and uniform composite quality. The microstrcutures of these composites were examined by microtomy and SEM and the dielectric properties were assessed by impedance and waveguide measurements for difference microwave frequency ranges. Controllable dielectric constants from 3 to 18 with high accuracy in epoxy/BT composites were achieved at 12 - 18 GHz. These composites were then used to fabricate advanced microwave devices such as the power divider lens to demonstrate my capability of permittivity customisation. Simulations for these advanced applications were done in Comsol Multiphysics and were compared to the experimental results.

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Djemmah, Djihad Amina. « All-Dielectric Metamaterials for THz applications ». Electronic Thesis or Diss., université Paris-Saclay, 2024. http://www.theses.fr/2024UPAST104.

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Depuis les premières explorations philosophiques sur la nature de la lumière jusqu'aux avancées récentes en physique quantique, la compréhension et la manipulation des ondes électromagnétiques ont été au cœur des progrès scientifiques et technologiques. De l'amélioration des lentilles optiques à l'invention des lasers, chaque avancée dans la manipulation de la lumière a renforcé notre maîtrise des matériaux, ouvrant la voie à de nouvelles applications technologiques.Conventionnellement, les matériaux naturels suivent les lois de l'électromagnétisme avec des indices de réfraction positifs, la permittivité ε et la perméabilité µ étant toutes les deux positives. Au-delà de ces matériaux classiques, il existe des métamatériaux aux propriétés électromagnétiques remarquables, tels que les matériaux à indice de réfraction négatif. Ces structures, caractérisées par une permittivité et une perméabilité simultanément négatives, engendrent des phénomènes contre-intuitifs comme la réfraction négative, permettant des effets surprenants tels que l'inversion de la direction de propagation des ondes. Conceptualisés par Victor Veselago en 1968, ces métamatériaux à indice négatif présentent des propriétés uniques, comme l'inversion de la loi de Snell et la capacité potentielle de créer des superlentilles capables de dépasser les limites de diffraction des lentilles ordinaires.Plus récemment, les métamatériaux entièrement diélectriques ont émergé comme une alternative prometteuse dans la gamme de fréquences térahertz (THz). Contrairement aux métamatériaux métalliques, ils offrent des avantages significatifs comme une faible perte et une géometrie simple. Ces structures utilisent des résonateurs diélectriques qui leur permettent d'avoir des propriétés électromagnétiques uniques.Les deux premières résonances de Mie, en particulier la résonance dipolaire électrique et la résonance dipolaire magnétique, jouent un rôle essentiel dans la manipulation des ondes électromagnétiques. En couplant ces deux résonances, il est possible de concevoir des métamatériaux avec des réponses électromagnétiques contrôlables, nécessaires pour les applications THz.L'importance de la gamme de fréquences THz réside dans ses applications révolutionnaires potentielles. Les ondes THz peuvent pénétrer divers matériaux non conducteurs, permettant des techniques d'imagerie non destructives et la détection de substances cachées. De plus, elles offrent une bande passante plus large pour les communications sans fil à haute vitesse et jouent un rôle clé dans la spectroscopie moléculaire.Dans ce contexte, le dioxyde de titane (TiO2) émerge comme un bon candidat pour la fabrication de métamatériaux entièrement diélectriques. Le TiO2 est particulièrement intéressant en raison de ses propriétés optiques favorables, telles que la permittivité élevée et la faible absorption dans la gamme THz. En exploitant les résonances de Mie dans des structures en TiO2 et en couplant les deux premières résonances de Mie, il est possible de concevoir des métamatériaux optimisés pour fonctionner à des fréquences THz, en particulier autour de 0,3 et 0,6 THz.Ma thèse vise à concevoir par simulation un métamatéiau tout diélectrique, puis le fabriquer et le caractériser au térahertz pour démontrer un indice négatif. En combinant simulation, caractérisation THz et fabrication, cette recherche interdisciplinaire apporte des contributions significatives à l'avancement des procédés de microstructuration basés sur le TiO2
From the earliest philosophical inquiries into the nature of light to recent advances in quantum physics, the understanding and manipulation of electromagnetic waves have been at the core of scientific and technological progress. Each step in this journey, from the refinement of optical lenses to the invention of lasers, has marked a crucial advance in our ability to control and exploit the properties of materials for innovative applications.Conventionally, natural materials follow the laws of electromagnetism with positive refractive indices, both permittivity and permeability being positive. These right-handed materials are commonly used in the fabrication of optical and electronic devices. Their interaction with electromagnetic waves is well understood and exploited in various applications, such as optical lenses, fiber optics, and communication devices.However, beyond these conventional materials lie metamaterials with extraordinary electromagnetic properties, such as negative refractive index materials. These left-handed materials possess both negative permittivity and permeability. This unique configuration leads to counter-intuitive phenomena, such as negative refraction of electromagnetic waves, resulting in fascinating effects like the reversal of wave propagation direction.Negative index materials, theorized by Victor Veselago in 1968, exhibit distinctive characteristics such as the reversal of Snell's law and the potential to create superlenses capable of overcoming the diffraction limits of conventional lenses. These properties open revolutionary prospects in various fields, ranging from the design of advanced optical devices to ultra-high-resolution imaging and telecommunications.More recently, all-dielectric metamaterials have emerged as a promising alternative in the THz frequency range. Unlike metallic metamaterials, all-dielectric metamaterials offer significant advantages, including low loss and controllable nonlinear response. These structures utilize dielectric resonators to achieve unique electromagnetic properties without the high losses associated with metallic metamaterials.At the heart of these all-dielectric metamaterials are Mie resonances, which play a crucial role in their ability to manipulate electromagnetic waves. The first two Mie resonances, the electric dipole resonance and the magnetic dipole resonance, are particularly important. The electric dipole resonance occurs when electromagnetic waves induce oscillating polarization in dielectric particles, while the magnetic dipole resonance results from the circulation of displacement currents induced by the magnetic field. By coupling these two resonances, it is possible to design metamaterials with precisely controlled electromagnetic responses, essential for THz applications.The importance of the THz frequency range, often referred to as the "THz gap" due to the historical difficulty in generating and detecting these waves, lies in its revolutionary potential applications. THz waves can penetrate various non-conductive materials, enabling non-destructive imaging techniques and the detection of hidden substances. Moreover, they offer a broader bandwidth for high-speed wireless communications and play a key role in molecular spectroscopy, revealing unique information about molecular structure and interactions.In this context, TiO2 emerges as a promising base material for the fabrication of all-dielectric metamaterials. TiO2 is particularly interesting due to its favorable optical properties, such as high permittivity and low absorption in the THz range. By exploiting Mie resonances in TiO2 structures and coupling the electric and magnetic resonances, it is possible to design metamaterials optimized to operate at THz frequencies, specifically around 0.3 THz and 0.6 THz.My thesis aims to design a fully dielectric metamaterial through simulation, then fabricate and characterize it at THz frequencies to demonstrate a negative index

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Hsieh, Chih-Hung Ph D. Massachusetts Institute of Technology. « Design and manufacturing of all-dielectric optical metamaterial with gradient index of refraction ». Thesis, Massachusetts Institute of Technology, 2015. http://hdl.handle.net/1721.1/100120.

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Thesis: Ph. D., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 103-106).
Gradient index (GRIN) materials offer the most general manipulation over wave fields of light compared to conventional refractive optics, where the light is deflected by the curved surface. The creative way to implementing GRIN optics is to construct a subwavelength structure with the electromagnetic characteristics that are unavailable via the natural material. This artificial GRIN structure also known as "metamaterial" can be classified into two general categories: film and slab GRIN optics, depending on the propagation direction of light penetrating through or propagating along the metamaterial. In this dissertation, two different purposes of all-dielectric GRIN optics on (1) film: light extraction enhancement of the scintillator; (2) slab: aberration-free focusing using Lüneburg lens, are both investigated. The scintillator made by ceramics like Lutetium Yttrium Orthosilicate (LYSO) possesses higher index of refraction at 1.82 than the surrounding environment, which causes extraction loss due to index mismatching and total internal reflection (TIR) from scintillator to photodetector. A hybrid structure including two-dimensional photonic slab covered by the nanocone structure on the top was devised to recycle the energy loss from TIR and to create an index-matching layer in between. Design parameters of the hybrid structure were optimized by the simulation based on rigorous coupled-wave analysis, and the fabrication of hybrid structure was patterned by nanospheres (for nanocone structure) and laser interference (for photonic slab) lithography, respectively. Reactive ion etching (RIE) facilitated pattern transfer after two separate lithography processes. Finally, the characterization of nanostructured scintillator was performed with the ionizing source. The rest of this research focuses on the implementation of the slab GRIN optics: Nanostructured Lüneburg lens. The Lineburg lens is an aberration-free lens that can perfectly focus light on the opposite edge of the lens area, and such property can be used for light coupling from fiber to waveguide in the Silicon photonics. We designed the nanostructured Lineburg lens on the silicon-on-insulator substrate using effective index of refraction computed by photonic band theory, and the fabrication was carried out by the e-beam lithography and RIE process. The device characterized by near-field scanning optical microscopy exhibited the single focusing behavior under fundamental mode illumination via the intensity map over the lens region. In addition, the bi-foci phenomenon under higher order mode illumination was also revealed in the finite difference time domain simulation, and the ray picture for explaining the bi-foci was also included using Wigner distribution function and Hamiltonian ray-tracings.
by Chih-Hung Hsieh.
Ph. D.

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Karvounis, Artemios. « All dielectric reconfigurable metamaterials ». Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/424497/.

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This thesis reports on my research efforts towards all-dielectric metamaterials with reconfigurable functionalities: • I have reported the first optomechanical nonlinear dielectric metamaterial. I have shown that such metamaterials provide extremely large optomechanical nonlinearities at near infrared, operating at intensities of only a few μW per unit cell and modulation frequencies as high as 152 MHz, thereby offering a path to fast, compact, and energy efficient all-optical metadevices. • I have experimentally demonstrated the first all-dielectric electro-optical nanomechanical modulator based on all-dielectric nanomembrane metamaterial. Furthermore, I have shown the dynamical control of optical properties of this device, with modulation frequency up to 7 MHz. I have also establish an encapsulation technique where any nano-membrane can be embedded within a fiber setup with electrical feedthroughs and pressure control. • I have studied for first time the optical properties of Diamond nano-membrane metamaterials. Diamond membranes after nanostructuring with Focus Ion Beam, present broadband, polarization-independent absorption that can be used as efficient coherent absorbers for optical pulses as short as 6 fs. This novel class of metamaterials have been used for coherent modulation with modulation contrast up to 40% at optical fluences of few nJ/cm2 across the visible spectrum. • I have reported the first optically-switchable, all-chalcogenide phase-change metamaterial. Germanium antimony telluride alloys (GST) after nanostructuring subwavelength-thickness films of GST present high-quality resonances that are spectrally shifted by laser-induced structural transitions, providing reflectivity and transmission switching contrast ratios of up to 5:1 (7 dB) at near-infrared wavelengths selected by design, or strong colour contrast in visible due to its plasmonic nature. • This work has introduced dielectric nano-membrane metamaterials, as a platform to provide optically switchable, nonlinear, reconfigurable responses. Due to nanomechanical actuation based on optical/electromagnetic forces, coherent modulation based on the diamond absorbers and phase change media of Chalcogenide glasses.

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Chapitres de livres sur le sujet "All-Dielectric Metamaterial"

Khardikov, Vyacheslav V., et Sergey L. Prosvirnin. « New Type High-Q THz Planar All-Dielectric Metamaterial ». Dans NATO Science for Peace and Security Series B : Physics and Biophysics, 47–52. Dordrecht : Springer Netherlands, 2014. http://dx.doi.org/10.1007/978-94-017-8572-3_7.

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Tang, Wenxuan, et Yang Hao. « Transformation Electromagnetics Design of All-Dielectric Antennas ». Dans Transformation Electromagnetics and Metamaterials, 191–219. London : Springer London, 2013. http://dx.doi.org/10.1007/978-1-4471-4996-5_7.

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Djemmah, Djihad Amina, Pierre-Marie Geffroy, Thierry Chartier, Jean-François Roux, Fayçal Bouamrane et Éric Akmansoy. « Processing High Permittivity TiO2 for All-Dielectric Metamaterials Applications at Terahertz Frequencies ». Dans Proceedings of the Sixth International Symposium on Dielectric Materials and Applications (ISyDMA’6), 177–83. Cham : Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-031-11397-0_15.

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Yu, F., S. Qu, J. Wang, H. Du, J. Wang et L. Lu. « Analysis of stop-band FSS with all dielectric metamaterial ». Dans Material Science and Environmental Engineering, 421–23. CRC Press, 2015. http://dx.doi.org/10.1201/b19346-88.

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« Circular Fibres Made of All-Dielectric Metamaterials ». Dans Nanostructured and Subwavelength Waveguides, 167–83. Chichester, UK : John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781118343227.ch11.

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KRASNOK, ALEXANDER, ROMAN SAVELEV, DENIS BARANOV et PAVEL BELOV. « All-Dielectric Nanophotonics : Fundamentals, Fabrication, and Applications ». Dans World Scientific Handbook of Metamaterials and Plasmonics, 337–85. World Scientific, 2017. http://dx.doi.org/10.1142/9789813228696_0008.

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Vendik, Irina, Mikhail Odit et Dmitry Kozlov. « ALL-DIELECTRIC METAMATERIALS BASED ON SPHERICAL AND CUBIC INCLUSIONS ». Dans Selected Topics in Photonic Crystals and Metamaterials, 195–214. WORLD SCIENTIFIC, 2011. http://dx.doi.org/10.1142/9789814355193_0006.

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Shvartsburg, Alexander B., Yuri A. Obod et Oleg D. Volpian. « Tunneling of Electromagnetic Waves in All-Dielectric Gradient Metamaterials ». Dans Progress in Optics, 489–563. Elsevier, 2015. http://dx.doi.org/10.1016/bs.po.2015.02.006.

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« Metamaterials in the Form of All-Dielectric Planar Multilayers ». Dans Nanostructured and Subwavelength Waveguides, 81–90. Chichester, UK : John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781118343227.ch6.

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« Planar Waveguides Containing All-Dielectric Metamaterials, Example of Porous Waveguides ». Dans Nanostructured and Subwavelength Waveguides, 91–102. Chichester, UK : John Wiley & Sons, Ltd, 2012. http://dx.doi.org/10.1002/9781118343227.ch7.

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Actes de conférences sur le sujet "All-Dielectric Metamaterial"

Kilic, Ufuk, Matthew Hilfiker, Alexander Ruder, Shawn Wimer, Sema G. Kilic, Eva Schubert, Christos Argyropoulos et Mathias Schubert. « The broadband enhanced chirality revealed by broken L-shape metamaterial platform ». Dans CLEO : Fundamental Science, FM3L.6. Washington, D.C. : Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_fs.2024.fm3l.6.

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We experimentally demonstrate and theoretically verify a spectrally controllable, extremely large, broadband chiroptical response from three-dimensional all-dielectric broken L-shape nano-boomenrang metamaterial platforms. This innovative design holds great potential for seamless integration into on-chip photonic devices.

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Piscopo, Giovanni, Liam O’Faolain et Giovanni Magno. « All Dielectric metasurface for enhancing Mid-IR spectroscopy ». Dans 2024 Eighteenth International Congress on Artificial Materials for Novel Wave Phenomena (Metamaterials), 1–3. IEEE, 2024. http://dx.doi.org/10.1109/metamaterials62190.2024.10703272.

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Bing Yan, Wen Fan, Liyang Yue, Zengbo Wang et Limin Wu. « Nanoparticle-derived all-dielectric metamaterial superlens ». Dans 2016 Progress in Electromagnetic Research Symposium (PIERS). IEEE, 2016. http://dx.doi.org/10.1109/piers.2016.7735766.

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Rani, Sweta, Arun Jaiswal, Rahul Kumar Das, Gaurav Pratap Singh, Ajinkya Palwe, Sumit Saxena, Wenlong Cheng et Shobha Shukla. « Fabrication of All-dielectric, 3D Chiral Metamaterial Using Two-photon Lithography ». Dans Frontiers in Optics. Washington, D.C. : Optica Publishing Group, 2023. http://dx.doi.org/10.1364/fio.2023.jm7a.61.

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We report the fabrication of all-dielectric, 3D chiral metamaterial using two-photon lithography, addressing the limitations of metallic metamaterial. The electromagnetic behaviour of the structure has been numerically studied using COMSOL.

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Sang-Gil Park et Ki-Hun Jeong. « High performance label-free biosensing by all dielectric metamaterial ». Dans 2014 International Conference on Optical MEMS and Nanophotonics (OMN). IEEE, 2014. http://dx.doi.org/10.1109/omn.2014.6924590.

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Zhao, Xiaoguang, Yue Wang, Jacob Schalch, Guangwu Duan, Kevin Cremin, Jingdi Zhang, Chunxu Chen, Richard D. Averitt et Xin Zhang. « Optically Tunable All-Dielectric Broadband Terahertz Metamaterial Perfect Absorber ». Dans 2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz). IEEE, 2019. http://dx.doi.org/10.1109/irmmw-thz.2019.8874147.

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Rodrigues, Gustavo Simão, Hans Ingo Weber et Larissa Driemeier. « Elastic Metamaterial Design to Filter Harmonic Mechanical Wave Propagation ». Dans ASME 2018 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/imece2018-87753.

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The metamaterial concept was first oriented to electromagnetic field applications and the main objectives were to develop materials with peculiar properties such as negative dielectric constant, negative magnetic permeability and negative refraction index. Gradually, other areas started using parameters that do not exist in the materials found in nature and, classifying them as metamaterials. So, areas such as acoustics, optics and mechanics opened up space for applications of this innovative “material”. Many efforts for an adequate modeling were made searching also for all kinds of possible applications. One example of application in optics is the use of conformal transformation to design devices with new functionalities from non-homogeneous isotropic dielectric media. The mirages created in the desert are the result of these non-homogeneities. These studies are supposed being helpful to develop invisible cloaks using metamaterials. The present work deals with elastic metamaterial application in mechanical engineering. It is well knowing that metamaterials are able to filter harmonic wave propagation and many works present this capability caused by a bandgap that appears in some range of frequency due to the system’s features. However, it is not very clear how the parameters used for the metamaterials design should be defined. The purpose of this work is to propose a methodology to design an optimized metamaterial component to filter the mechanical wave propagation in a finite chain of masses. It is also in the scope of this work to analyze the borders of the bandgap of the studied chain of masses and how the propagated wave is attenuated along this region.

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Li, Liyang, Jun Wang, Jiafu Wang, Hua Ma, Mingde Feng, Mingbao Yan, Jieqiu Zhang et Shaobo Qu. « Toward band-stop all-dielectric metamaterial frequency selective surface via dielectric ceramic blocks ». Dans 2016 IEEE MTT-S International Microwave Workshop Series on Advanced Materials and Processes for RF and THz Applications (IMWS-AMP). IEEE, 2016. http://dx.doi.org/10.1109/imws-amp.2016.7588340.

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Gao, Ju, Kuang Zhang et Qun Wu. « A novel double zero metamaterial made by all dielectric resonator ». Dans 2014 3rd Asia-Pacific Conference on Antennas and Propagation. IEEE, 2014. http://dx.doi.org/10.1109/apcap.2014.6992698.

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Ma, Tian, Qiuping Huang et Yalin Lu. « All-dielectric Metamaterial Analogue for EIT effects in Terahertz range ». Dans 2020 45th International Conference on Infrared, Millimeter and Terahertz Waves (IRMMW-THz). IEEE, 2020. http://dx.doi.org/10.1109/irmmw-thz46771.2020.9370895.

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