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Submillimeter waves. --- Submillimeter radiation --- Submillimeter-terahertz radiation --- Terahertz radiation --- Waves, Submillimeter --- Electromagnetic waves --- Radiation

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The last research frontier in high frequency electronics lies in the so-called terahertz (or submillimeter wave) regime, between the traditional microwave and the infrared domains. Significant scientific and technical challenges within the terahertz (THz) frequency regime have recently motivated an array of new research activities. During the last few years, major research programs have emerged that are focused on advancing the state of the art in THz frequency electronic technology and on investigating novel applications of THz frequency sensing. This book provides a detailed review of the n

Infrared detectors. --- Microwave detectors. --- Microwave devices. --- Submillimeter waves. --- Submillimeter radiation --- Submillimeter-terahertz radiation --- Terahertz radiation --- Waves, Submillimeter --- Electromagnetic waves --- Radiation --- Electronic apparatus and appliances --- Microwaves --- Detectors, Microwave --- Detectors

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This book highlights advances in the field of THz engineering along with limitations of radio frequency (RF) technology. All engineering applications have been designed to operate over a specific frequency or wavelength range in electromagnetic spectrum. In recent years, the unexplored domain of THz range of electromagnetic spectrum has paved the way for terahertz technology due to its nonionizing nature and sensitivity to water content. A wide range of applications with THz techniques such as terahertz time-domain spectroscopy (THz-TDS), biological, medical and pharmaceutical sciences, explosives inspection, information and communication technology (ICT) sector and many more, have potential to be the technology of future. Different designing aspects and evolving application areas are addressed to enrich the technical knowledge of readers. This book provides an overview of state of the art in terms of research and industrial progress in THz spectrum.

Submillimeter waves. --- Optical materials. --- Photonics. --- Optical engineering. --- Telecommunication. --- Materials. --- Detectors. --- Signal processing. --- Terahertz Optics. --- Optical Materials. --- Photonics and Optical Engineering. --- Microwaves, RF Engineering and Optical Communications. --- Sensors and biosensors. --- Signal, Speech and Image Processing . --- Sensors --- Engineering instruments --- Physical instruments --- Engineering --- Engineering materials --- Industrial materials --- Engineering design --- Manufacturing processes --- Processing, Signal --- Information measurement --- Signal theory (Telecommunication) --- Electric communication --- Mass communication --- Telecom --- Telecommunication industry --- Telecommunications --- Communication --- Information theory --- Telecommuting --- Mechanical engineering --- New optics --- Optics --- Materials --- Submillimeter radiation --- Submillimeter-terahertz radiation --- Terahertz radiation --- Waves, Submillimeter --- Electromagnetic waves --- Radiation --- Terahertz technology. --- High technology --- Electromagnetic devices

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Terahertz science and technology is attracting great interest due to its application in a wide array of fields made possible by the development of new and improved terahertz radiation sources and detectors. This book focuses on the development and characterization of one such source - namely the semi-large aperture photoconducting (PC) antenna fabricated on Fe-doped bulk Ga0.69In0.31As substrate. The high ultrafast carrier mobility, high resistivity, and subpicosecond carrier lifetime along with low bandgap make Ga0.69In0.31As an excellent candidate for PC antenna based THz emitter that can be photoexcited by compact Yb-based multiwatt laser systems for high power THz emission. The research is aimed at evaluating the impact of physical properties of a semi-large aperture Ga0.69In0.31As PC antenna upon its THz generation efficiency, and is motivated by the ultimate goal of developing a high-power terahertz radiation source for time-domain terahertz spectroscopy and imaging systems. This Doctoral Thesis has been accepted by Rensselaer Polytechnic Institute, Troy, USA.

Femtochemistry. --- Millimeter wave devices. --- Optoelectronic devices. --- Submillimeter waves. --- Terahertz technology. --- Submillimeter waves --- Physics --- Physical Sciences & Mathematics --- Light & Optics --- Electricity & Magnetism --- Microwave spectroscopy. --- Photo electric devices --- Photo electronic devices --- Photoelectronic devices --- Submillimeter radiation --- Submillimeter-terahertz radiation --- Terahertz radiation --- Waves, Submillimeter --- Physics. --- Semiconductors. --- Lasers. --- Photonics. --- Spectroscopy. --- Microscopy. --- Optical materials. --- Electronic materials. --- Spectroscopy and Microscopy. --- Laser Technology, Photonics. --- Optical and Electronic Materials. --- Molecular spectroscopy --- Radiofrequency spectroscopy --- Electronic apparatus and appliances --- Optical instruments --- Electrooptical devices --- Integrated optics --- Electromagnetic waves --- Radiation --- Optics, Lasers, Photonics, Optical Devices. --- Optics --- Materials --- Electronic materials --- New optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators --- Crystalline semiconductors --- Semi-conductors --- Semiconducting materials --- Semiconductor devices --- Crystals --- Electrical engineering --- Electronics --- Solid state electronics --- Analysis, Microscopic --- Light microscopy --- Micrographic analysis --- Microscope and microscopy --- Microscopic analysis --- Optical microscopy --- Analysis, Spectrum --- Spectra --- Spectrochemical analysis --- Spectrochemistry --- Spectroscopy --- Chemistry, Analytic --- Interferometry --- Wave-motion, Theory of --- Absorption spectra --- Light --- Spectroscope --- Qualitative --- Spectrometry --- Analytical chemistry

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Principles of Terahertz Science and Technology aims to elucidate the fundamentals of THz technology and science for potential new users. It surveys major techniques of generating, detecting, and manipulating THz waves and also discusses a number of essential processes where THz waves interact with physical, chemical, and biological systems. This book serves as an introduction to THz technology for new researchers in various fields. Many different disciplines, such as ultrafast spectroscopy, semiconductor device fabrication, bio-medical imaging and more, involve the recent development of THz technology. It is necessary to lay down a strong, common foundation among researchers, so that communication can proceed smoothly. Previous THz research activities have concentrated on generation and detection, but the focus has now shifted to practical applications of this technology, such as high-speed optoelectronic signal processing and molecular spectroscopy. Drawing upon years of practical experience and using numerous examples and illustrative applications Yun-Shik Lee discusses The major techniques of generating, detecting, and manipulating THz waves Essential processes where THz waves interact with physical, chemical, and biological systems Medical Applications of T-Ray Imaging including, optical properties of human tissue, cancer diagnostics, reflective imaging of skin burns and detection of dental caries Principles of Terahertz Science and Technology is an ideal book for applied physicists, microwave engineers, biomedical engineers, electrical engineers, and analytical chemists interested in the fundamentals and applications of THz engineering.

Electromagnetic interactions --Congresses. --- Nuclear physics --Congresses. --- Electrical & Computer Engineering --- Engineering & Applied Sciences --- Electrical Engineering --- Millimeter wave devices. --- Optoelectronic devices. --- Submillimeter waves. --- Terahertz technology. --- Wave guides. --- Waveguides --- Submillimeter radiation --- Submillimeter-terahertz radiation --- Terahertz radiation --- Waves, Submillimeter --- Photo electric devices --- Photo electronic devices --- Photoelectronic devices --- Théorie axiomatique des ensembles --- Théorie axiomatique des ensembles --- Engineering. --- Microwaves. --- Optical engineering. --- Electronics. --- Microelectronics. --- Electronics and Microelectronics, Instrumentation. --- Microwaves, RF and Optical Engineering. --- Classical Electrodynamics. --- Optics, Lasers, Photonics, Optical Devices. --- Electric conductors --- Electric waves --- Electromagnetic waves --- Gyrators --- Microwave transmission lines --- Radio --- Transducers --- High technology --- Electromagnetic devices --- Radiation --- Electronic apparatus and appliances --- Optical instruments --- Electrooptical devices --- Integrated optics --- Microwave devices --- Millimeter waves --- Equipment and supplies --- Game theory --- Negotiation --- Axiomatic set theory --- Mathematical models --- Théorie des jeux --- Electrical engineering --- Physical sciences --- Hertzian waves --- Geomagnetic micropulsations --- Radio waves --- Shortwave radio --- Optics. --- Electrodynamics. --- Lasers. --- Photonics. --- New optics --- Optics --- Light amplification by stimulated emission of radiation --- Masers, Optical --- Optical masers --- Light amplifiers --- Light sources --- Optoelectronic devices --- Nonlinear optics --- Optical parametric oscillators --- Dynamics --- Physics --- Light --- Mechanical engineering --- Microminiature electronic equipment --- Microminiaturization (Electronics) --- Electronics --- Microtechnology --- Semiconductors --- Miniature electronic equipment --- Negotiation - Mathematical models