Terahertz Frequency Detection And Identification Of Materials And Objects
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| Author | : R.E. Miles |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 365 |
| Release | : 2007-09-08 |
| Genre | : Technology & Engineering |
| ISBN | : 1402065035 |
Download Terahertz Frequency Detection and Identification of Materials and Objects Book in PDF, Epub and Kindle
Want an overview of where the technology of terahertz detection has been going? Here it is. The technology has largely been developed around expensive and bulky femtosecond laser systems but, as described in this book, advances in semiconductor superlattice technology are leading to compact "electronic" sources such as the quantum cascade laser, two-terminal "Gunn" type oscillators and even a THz frequency amplifier. These advances towards electronic (as opposed to optical) THz systems mean that the technology will become portable and much less costly.
| Author | : National Research Council |
| Publisher | : National Academies Press |
| Total Pages | : 88 |
| Release | : 2007-04-06 |
| Genre | : Political Science |
| ISBN | : 0309104696 |
Download Assessment of Millimeter-Wave and Terahertz Technology for Detection and Identification of Concealed Explosives and Weapons Book in PDF, Epub and Kindle
The security of the U.S. commercial aviation system has been a growing concern since the 1970's when the hijacking of aircraft became a serious problem. Over that period, federal aviation officials have been searching for more effective ways for non-invasive screening of passengers, luggage, and cargo to detect concealed explosives and weapons. To assist in this effort, the Transportation Security Administration (TSA) asked the NRC for a study of emerging screening technologies. This report-the third of four-focuses on currently maturing millimeter-wavelength/terahertz imaging and spectroscopy technologies that offer promise in meeting aviation security requirements. The report provides a description of the basic operation of these imaging systems, an assessment of their component technologies, an analysis of various system concepts, and an implementation strategy for deployment of millimeter-wavelength/terahertz technology screening systems.
| Author | : T. Anukiruthika |
| Publisher | : CRC Press |
| Total Pages | : 290 |
| Release | : 2023-08-22 |
| Genre | : Technology & Engineering |
| ISBN | : 1000914372 |
Download Terahertz Technology Book in PDF, Epub and Kindle
Explores broader applications of the THz regime in the agri-food sector Describes system components, different forms of THz systems, and the working principle of THz waves for spectroscopic and imaging techniques Provides insights on future research needs for industrial implementation of THz technology Complements the knowledge of other existing non-destructive spectroscopy and imaging techniques for food analysis
| Author | : Kumud Ranjan Jha |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 221 |
| Release | : 2014-01-10 |
| Genre | : Technology & Engineering |
| ISBN | : 3319023411 |
Download Terahertz Planar Antennas for Next Generation Communication Book in PDF, Epub and Kindle
This book describes various methods to enhance the directivity of planar antennas, enabling the next generation of high frequency, wireless communication. The authors discuss various applications to the terahertz regime of the electromagnetic spectrum, with an emphasis on gain enhancement mechanisms. The numerical models of these antennas are presented and the analytical results are supported, using commercial simulators. The multilayer substrate microstrip transmission line at terahertz frequency is also explored and a method to obtain the various parameters of this interconnect at high frequency is described. This book will be a valuable resource for anyone needing to explore the terahertz band gap for future wireless communication, in an effort to solve the bandwidth (spectrum scarcity) problem.
| Author | : Walter Belardi |
| Publisher | : MDPI |
| Total Pages | : 184 |
| Release | : 2019-07-29 |
| Genre | : Technology & Engineering |
| ISBN | : 3039210882 |
Download Hollow Core Optical Fbers Book in PDF, Epub and Kindle
This book is a printed edition of the Special Issue Hollow core optical fibers that was published in Fibers
| Author | : Xi-Cheng Zhang |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 250 |
| Release | : 2009-12-01 |
| Genre | : Technology & Engineering |
| ISBN | : 1441909788 |
Download Introduction to THz Wave Photonics Book in PDF, Epub and Kindle
Terahertz (THz) radiation, which is electromagnetic radiation in a frequency int- val from 0.3 to 10 THz (1 mm–30 ?m wavelength), is the next frontier in science and technology. This band occupies a large portion of the electromagnetic sp- trum between the infrared and microwave bands. Basic research, new initiatives, and developments in advanced sensing and imaging technology with regard to the THz band remain unexplored compared to the relatively well-developed science and technology in the microwave and optical frequencies. Historically, THz technologies were used mainly within the astronomy c- munity for studying the background of cosmic far-infrared radiation, and by the laser-fusion community for the diagnostics of plasmas. Since the ?rst demonstration of THz wave time-domain spectroscopy in the late 1980s, there has been a series of signi?cant advances (particularly in recent years) as more intense THz sources and higher sensitivity detectors provide new opportunities for understanding the basic science in the THz frequency range.
| Author | : |
| Publisher | : Newnes |
| Total Pages | : 3572 |
| Release | : 2011-01-28 |
| Genre | : Science |
| ISBN | : 0080932282 |
Download Comprehensive Semiconductor Science and Technology Book in PDF, Epub and Kindle
Semiconductors are at the heart of modern living. Almost everything we do, be it work, travel, communication, or entertainment, all depend on some feature of semiconductor technology. Comprehensive Semiconductor Science and Technology, Six Volume Set captures the breadth of this important field, and presents it in a single source to the large audience who study, make, and exploit semiconductors. Previous attempts at this achievement have been abbreviated, and have omitted important topics. Written and Edited by a truly international team of experts, this work delivers an objective yet cohesive global review of the semiconductor world. The work is divided into three sections. The first section is concerned with the fundamental physics of semiconductors, showing how the electronic features and the lattice dynamics change drastically when systems vary from bulk to a low-dimensional structure and further to a nanometer size. Throughout this section there is an emphasis on the full understanding of the underlying physics. The second section deals largely with the transformation of the conceptual framework of solid state physics into devices and systems which require the growth of extremely high purity, nearly defect-free bulk and epitaxial materials. The last section is devoted to exploitation of the knowledge described in the previous sections to highlight the spectrum of devices we see all around us. Provides a comprehensive global picture of the semiconductor world Each of the work's three sections presents a complete description of one aspect of the whole Written and Edited by a truly international team of experts
| Author | : Guillermo Carpintero |
| Publisher | : John Wiley & Sons |
| Total Pages | : 426 |
| Release | : 2015-09-28 |
| Genre | : Technology & Engineering |
| ISBN | : 1118920422 |
Download Semiconductor TeraHertz Technology Book in PDF, Epub and Kindle
Key advances in Semiconductor Terahertz (THz) Technology now promises important new applications enabling scientists and engineers to overcome the challenges of accessing the so-called "terahertz gap". This pioneering reference explains the fundamental methods and surveys innovative techniques in the generation, detection and processing of THz waves with solid-state devices, as well as illustrating their potential applications in security and telecommunications, among other fields. With contributions from leading experts, Semiconductor Terahertz Technology: Devices and Systems at Room Temperature Operation comprehensively and systematically covers semiconductor-based room temperature operating sources such as photomixers, THz antennas, radiation concepts and THz propagation as well as room-temperature operating THz detectors. The second part of the book focuses on applications such as the latest photonic and electronic THz systems as well as emerging THz technologies including: whispering gallery resonators, liquid crystals, metamaterials and graphene-based devices. This book will provide support for practicing researchers and professionals and will be an indispensable reference to graduate students in the field of THz technology. Key features: Includes crucial theoretical background sections to photomixers, photoconductive switches and electronic THz generation & detection. Provides an extensive overview of semiconductor-based THz sources and applications. Discusses vital technologies for affordable THz applications. Supports teaching and studying increasingly popular courses on semiconductor THz technology.
| Author | : Saim Ghafoor |
| Publisher | : CRC Press |
| Total Pages | : 559 |
| Release | : 2021-08-11 |
| Genre | : Computers |
| ISBN | : 1000416372 |
Download Next Generation Wireless Terahertz Communication Networks Book in PDF, Epub and Kindle
The rapid growth of the data traffic demands new ways to achieve high-speed wireless links. The backbone networks, data centers, mission-critical applications, as well as end-users sitting in office or home, all require ultra-high throughput and ultra-low latency wireless links. Sophisticated technological advancement and huge bandwidth are required to reduce the latency. Terahertz band, in this regard, has a huge potential to provide these high-capacity links where a user can download the file in a few seconds. To realize the high-capacity wireless links for future applications, in this book, different aspects of the Terahertz band wireless communication network are presented. This book highlights the Terahertz channel characteristics and modeling, antenna design and beamforming, device characterization, applications, and protocols. It also provides state-of-the-art knowledge on different communication aspects of Terahertz communication and techniques to realize the true potential of the Terahertz band for wireless communication.
| Author | : Gun-Sik Park |
| Publisher | : Springer Science & Business Media |
| Total Pages | : 428 |
| Release | : 2012-10-19 |
| Genre | : Technology & Engineering |
| ISBN | : 9400739648 |
Download Convergence of Terahertz Sciences in Biomedical Systems Book in PDF, Epub and Kindle
Recent technological breakthrough in the field of Terahertz radiation has triggered new applications in biology and biomedicine. Particularly, biological applications are based on the specific spectroscopic fingerprints of biological matter in this spectral region. Historically with the discovery of new electromagnetic wave spectrum, we have always discovered new medical diagnostic imaging systems. The use of terahertz wave was not realized due to the absence of useful terahertz sources. Now after successful generation of THz waves, it is reported that a great potential for THz wave exists for its resonance with bio-molecules. There are many challenging issues such as development of THz passive and active instrumentations, understanding of THz-Bio interaction for THz spectroscopy, THz-Bio nonlinear phenomena and safety guideline, and THz imaging systems. Eventually the deeper understanding of THz-Bio interaction and novel THz systems enable us to develop powerful THz biomedical imaging systems which can contribute to biomedical industry. This is a truly interdisciplinary field and convergence technology where the communication between different disciplines is the most challenging issue for the success of the great works. One of the first steps to promote the communications in this convergence technology would be teaching the basics of these different fields to the researchers in a plain language with the help of Convergence of Terahertz Science in Biomedical Systems which is considered to be 3-4th year college students or beginning level of graduate students. Therefore, this type of book can be used by many people who want to enter or understand this field. Even more it can be used for teaching in universities or research institutions.
