1# Library to Find Best eBook for Read
Author :
Release : 2018
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Kind : eBook
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Book Synopsis Design of a Graphene‐Based Tunable Frequency Selective Surface and Its Application for Variable Radiation Pattern of a Dipole at Terahertz by :
Download or read book Design of a Graphene‐Based Tunable Frequency Selective Surface and Its Application for Variable Radiation Pattern of a Dipole at Terahertz written by . This book was released on 2018. Available in PDF, EPUB and Kindle. Book excerpt:
Author :
Release : 2015
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Book Synopsis Tunable Electromagnetically Induced Transparency at Terahertz Frequencies in Coupled Graphene Metamaterial*Project Supported by the National Natural Science Foundation of China (Grant No. 61307052), the Youth Funding for Science & Technology Innovation in Nanjing University of Aeronautics and Astronautics, China (Grant No. NS2014039), the Chinese Specialized Research Fund for the Doctoral Program of Higher Education (Grant No. 20123218110017), the Innovation Program for Graduate Education of Jiangsu Province, China (Grant Nos. KYLX_0272, CXZZ13_0166, and CXLX13_155), the Open Research Program in National State Key Laboratory of Millimeter Waves of China (Grant No. K201609), and the Fundamental Research Funds for the Central Universities of China (Grant No. Kfjj20150407). by :
Download or read book Tunable Electromagnetically Induced Transparency at Terahertz Frequencies in Coupled Graphene Metamaterial*Project Supported by the National Natural Science Foundation of China (Grant No. 61307052), the Youth Funding for Science & Technology Innovation in Nanjing University of Aeronautics and Astronautics, China (Grant No. NS2014039), the Chinese Specialized Research Fund for the Doctoral Program of Higher Education (Grant No. 20123218110017), the Innovation Program for Graduate Education of Jiangsu Province, China (Grant Nos. KYLX_0272, CXZZ13_0166, and CXLX13_155), the Open Research Program in National State Key Laboratory of Millimeter Waves of China (Grant No. K201609), and the Fundamental Research Funds for the Central Universities of China (Grant No. Kfjj20150407). written by . This book was released on 2015. Available in PDF, EPUB and Kindle. Book excerpt: Abstract: A graphene-based metamaterial with tunable electromagnetically induced transparency (EIT)-like transmission is numerically studied in this paper. The proposed structure consists of a graphene layer composed of coupled cut-wire pairs printed on a substrate. The simulation confirms that an EIT-like transparency window can be observed due to indirect coupling in a terahertz frequency range. More importantly, the peak frequency of the transmission window can be dynamically controlled over a broad frequency range by varying the Fermi energy levels of the graphene layer through controlling the electrostatic gating. The proposed metamaterial structure offers an additional opportunity to design novel applications such as switches or modulators.
Author : Vladimir Mitin
Release : 2020-11-23
Genre : Medical
Kind : eBook
Book Rating : 906/5 ( reviews)
Book Synopsis Graphene-Based Terahertz Electronics and Plasmonics by : Vladimir Mitin
Download or read book Graphene-Based Terahertz Electronics and Plasmonics written by Vladimir Mitin. This book was released on 2020-11-23. Available in PDF, EPUB and Kindle. Book excerpt: Graphene demonstrates interesting electrical, optical, and optoelectronic properties. A number of other one-atom-thick material structures have been discovered and studied. Industrially applicable technologies for these structures are currently under active development. In spite of enormous research in the area of devices based on graphene, the number of extensive review publications on THz devices based on graphene is small. This review volume would fill the gap. Researchers and engineers working in the fields of electronics and plasmonics can use it to understand the influence of plasmonics on device performance. The book can be also be used as a required text for doctorate courses and as a supplementary material for postgraduate courses. The material presented in the book is reviewed in detail in Chapter 1. Chapter 2 discusses the electronic and plasmonic properties of graphene and heterostructures based on graphene for all devices. Chapters 3–7 focus on the concepts of detectors and emitters with a special emphasis on plasmonic enhancement of those devices as well as on population inversion and lasing.
Author : Xuefeng Gu
Release : 2013
Genre :
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Book Synopsis Graphene-based Surface Plasmon-polaritons for Terahertz Applications by : Xuefeng Gu
Download or read book Graphene-based Surface Plasmon-polaritons for Terahertz Applications written by Xuefeng Gu. This book was released on 2013. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, we focus on graphene-based surface plasmon-polaritons at terahertz frequencies and their possible applications. The primary motivation is to efficiently couple free-space terahertz radiation into an ultra-compact and low-loss waveguide. Characteristics of surface plasmon-polaritons on monolayer and double-layer graphene are first re-derived and reviewed. Then we propose two novel waveguide structures: graphene-metal structure and graphene-wrapped fibers. Possible modes that can be supported by the structures are analyzed and how to excite them is addressed. Also, promising applications are briefly described. Our work reveals that graphene-metal structure is a good starting point for exploration of both new physics and innovative devices, and that graphene-wrapped fibers can also be of substantial interest as the quality of graphene is improved.
Author : Yan Shi
Release : 2020
Genre : Electronic books
Kind : eBook
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Book Synopsis Design of Graphene-Based Metamaterial Absorber and Antenna by : Yan Shi
Download or read book Design of Graphene-Based Metamaterial Absorber and Antenna written by Yan Shi. This book was released on 2020. Available in PDF, EPUB and Kindle. Book excerpt: Graphene is a monolayer of carbon atoms arranged in a honeycomb structure which exhibits remarkable properties including high electron mobility, mechanical flexibility, and saturable absorption. In this chapter, the conductivity model of the graphene is first reviewed. Based on the conductivity model of graphene, the equivalent circuit model of graphene is discussed. By varying graphene,Äôs chemical potential via external biasing voltage, graphene conductivity can be flexibly tuned in the terahertz and infrared frequencies. With the tunable characteristic, graphene-based metamaterial absorber and reflectarray have been designed. Good performance in these examples illustrates that graphene promises sufficient flexibility in the design of metamaterial devices.
