Download or read book Optical Control of Microwave Circuits for Active Phased Array Radars written by and published by . This book was released on 1992 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Combining GaAs Microwave Monolithic Integrated Circuits (MIMICs) and fiber optic technologies offers microwave system designers many advantages for remote antennas, communication links, and phased array antennas. Fiber optic transmission systems have become an attractive alternative for the distribution of microwave and control signals, because of their desirable features, such as high speed, large bandwidth, good electrical isolation, small size, and their immunity to electromagnetic interference (EMI) and electromagnetic pulse (EMP). Presented in this report are four optically controlled microwave circuits, which take advantage of the GaAs MESFET as an optical detector, to demonstrate that fiber optic technology can be integrated into GaAs MMIC based microwave systems. Fiber optics, GaAs MESFET, Microwave Monolithic Circuits.
Download or read book An Investigation of the Channel Crosstalk in Optical Heterodyne Controlled Phased Array Radars written by and published by . This book was released on 1995 with total page 7 pages. Available in PDF, EPUB and Kindle. Book excerpt: The principal objective of this project is to develop a calibrated simulation model which can accurately predict the effects on overall phased array system performance when conventional subsystems are replaced with optically assisted subsystems. Various components of single side band (SSB) modulator have been designed and fabricated. The designs used for this task employed a commercially available microwave design software (MDS) developed for the microwave components, while the optical modulators are fabricated using the annealed proton exchange technique. This structure was one of the most complex microwave structures on LiNbO3 to date. The design of this structure requires a complexity well beyond a simple overlap integral. Therefore a real mixture of optical CAD with microwave design can be implemented. Microwave Optics, Phased Array Radar, Single Sideband Modulator, Active Nonlinear Circuit, An Investigation of the Channel Crosstalk in Optical Heterodyne Controlled Phased Array Radars.
Download or read book Quasi Optical Control of Intense Microwave Transmission written by Jay L. Hirshfield and published by Springer Science & Business Media. This book was released on 2006-02-12 with total page 394 pages. Available in PDF, EPUB and Kindle. Book excerpt: Between February 17 and 20, 2004, approximately fifty scientists from ten countries came together at the Institute of Applied Physics (IAP), Nizhny Novgorod, Russia to participate in a NATO sponsored Advanced Research Workshop whose appellation is re flected in the title of this volume, namely Quasi Optical Control of Intense Microwave Transmission. The fashionable label “quasi optical ” has come into use in recent decades to denote structures whose characteristic dimensions exceed (sometimes by large factors) the free space radiation wavelength. Such structures were and are developed to replace the traditional single eigenmode ones in situations when high frequenc ies (short wavelengths) are combined with high powers, a combination that could otherwise lead to RF breakdown and high Ohmic wall heating rates. Treatments of guided wave propagation in oversized structures is aimed at pr eserving the propagating field coherence and thus to provide efficient transmission of RF power to remote destinations such as antennas, microwave ovens, plasma chemical reactors, nuclear fusion machines, and the like.
Download or read book Active Antennas and Quasi Optical Arrays written by Amir Mortazwi and published by Wiley-IEEE Press. This book was released on 1999 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: Electrical Engineering Active Antennas and Quasi-Optical Arrays Whether communications, radar, transportation, or defense drives your interest in solid-state devices at microwave and millimeter-wave frequencies, this ready reference book provides you with a useful review of quasi-optical power combining and active integrated antennas. Brought to you in one convenient volume are key reprinted papers from leading experts in microwave technology. Their valuable perspectives range from the most current advances to historical developments. Included as a special feature is an invited paper, never-before-published, which presents an overview of quasi-optical power combining by noted authority J. W. Mink and colleagues. You will discover other helpful highlighted topics such as: Transmitting and receiving active antennas Spatial power combining oscillators Spatial combining amplifiers Beam control Active integrated antennas and quasi-optical systems Analysis and CAD Emerging technologies—two dimensional quasi-optics
Download or read book National Symposium on Advances in Microwaves and Lightwaves written by and published by Allied Publishers. This book was released on 1998 with total page 514 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Characterization of Microwave MESFET Circuits Under Laser Illumination written by Sheryl M. Genco and published by . This book was released on 1994 with total page 786 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Optoelectronic Signal Processing for Phased array Antennas IV written by Brian M. Hendrickson and published by . This book was released on 1994 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Special Technology Area Review on Optical Control of Phased Arrays written by and published by . This book was released on 1993 with total page 15 pages. Available in PDF, EPUB and Kindle. Book excerpt: Future DoD systems requirements will push current device electronics technology beyond its limits. Therefore, new technology will have to be developed to meet these requirements. One particular type of system, the phased array radar, has been given particularly stringent future requirements for size, weight, and performance. In an effort to try and meet these requirements several DoD agencies have conducted preliminary research in replacing the coaxial cable in current phased array radars with fiber optic cable. Unlike ordinary coaxial cable, fiber optic cable can carry an RF signal juxtaposed on a light wave, with very little attenuation or dispersion over wide frequency bandwidths. Furthermore, the fiber optic cable is mechanically more flexible and approximately 75% smaller and lighter than ordinary coaxial cable, allowing it to be assembled in more compact modules. Fiber optic cable is also impervious to harmful electromagnetic radiation. Consequently, fiber optic cables are presently being considered to replace the coaxial cable in phased arrays for such functions as RF signal distribution, phase shifter amplitude taper controls, true time delay beamforming and data transmission in systems with digital beamforming. As one of its many functions as an advisor to the DoD, the Advisory Group on Electron Devices (AGED) conducted a Special Technology Area Review (STAR) to examine and assess optically integrated phased array configurations by AGED Working Groups A (Microwaves) and C (Electro-optics) on 12 March 1992. The report summarizes the information presented at the STAR and outlines the findings and recommendations that emerged from an extended review of the area by those working groups.
Download or read book Handbook of Microwave and Optical Components Microwave Passive and Antenna Components written by Kai Chang and published by Wiley-Interscience. This book was released on 1989-05-12 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: "The editor has succeeded in collecting over 900 printed pages of significant material. . . . This text will find ample use on the desks of microwave and antenna engineers." -Microwave Journal With its unparalleled scope of coverage and its roster of eminent contributing authors, Microwave Passive and Antenna Components offers a wealth of detailed information that will prove useful to engineers dealing with microwave components. Includes coverage of: * Transmission Lines * Transmission-Line Discontinuities * Filters, Hybrids and Couplers, Power Combiners, and Matching Networks * Cavities and Resonators * Ferrite Control Components * Microwave Surface Acoustic Wave Devices p9e Quasi-Optical Techniques * Components for Surveillance and Electronic Warfare Receivers * Microwave Measurements * Antennas -Fundamental and Numeric Methods * Reflector, Lens, Horn, and Other Microwave Antennas of Conventional Configuration * Array, Millimeter Wave, and Integrated Antennas * Microstrip Antennas
Download or read book IEEE Microwave and Millimeter Wave Monolithic Circuits Symposium Digest of Papers written by and published by . This book was released on 1986 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Monolithic Microwave Integrated Circuits for Sensors Radar and Communications Systems written by Regis F. Leonard and published by . This book was released on 1991 with total page 374 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1995 with total page 704 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Active Array Antennas for High Resolution Microwave Imaging Radar written by Jiaguo Lu and published by Springer Nature. This book was released on 2023-05-04 with total page 455 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights the application of active array antennas in high-resolution microwave imaging radar systems. It introduces the basic principles, analytical methods, and performance parameters of active array antennas to achieve low profile, high efficiency, and lightweight. The book systematically elaborates the architecture, analysis, and engineering practice to achieve wideband, multi-band, multi-polarization, and common aperture in active array antennas. It explores hotspot technologies of digital array antennas, microwave photonic array antennas, and active packaging antennas. By presenting over 300 illustrations and diagrams, including schematic diagrams, block diagrams, relation diagrams, and breakdown drawings, the book enables a thorough understanding of the antenna array microsystem as the advanced phase of active array antennas and the direction of future R&D. The book is a good reference source for researchers and engineers interested in the engineering and implementation of microwave imaging radar systems and antenna technology.
Download or read book International Conference Radar 82 written by Institution of Electrical Engineers. Electronics Division and published by . This book was released on 1982 with total page 532 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Broadband Microwave Applications of Fiber Optics written by IGIC, Inc. Staff and published by Information Gatekeepers Inc. This book was released on 1994 with total page 302 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Applied Optics Fundamentals and Device Applications written by Mark A. Mentzer and published by CRC Press. This book was released on 2017-12-19 with total page 417 pages. Available in PDF, EPUB and Kindle. Book excerpt: How does the field of optical engineering impact biotechnology? Perhaps for the first time, Applied Optics Fundamentals and Device Applications: Nano, MOEMS, and Biotechnology answers that question directly by integrating coverage of the many disciplines and applications involved in optical engineering, and then examining their applications in nanobiotechnology. Written by a senior U.S. Army research scientist and pioneer in the field of optical engineering, this book addresses the exponential growth in materials, applications, and cross-functional relevance of the many convergent disciplines making optical engineering possible, including nanotechnology, MEMS, (MOEMS), and biotechnology. Integrates Coverage of MOEMS, Optics, and Nanobiotechnology—and Their Market Applications Providing an unprecedented interdisciplinary perspective of optics technology, this book describes everything from core principles and fundamental relationships, to emerging technologies and practical application of devices and systems—including fiber-optic sensors, integrated and electro-optics, and specialized military applications. The author places special emphasis on: Fiber sensor systems Electro-optics and acousto-optics Optical computing and signal processing Optical device performance Thin film magnetic memory MEMS, MOEMS, nano- and bionanotechnologies Optical diagnostics and imaging Integrated optics Design constraints for materials, manufacturing, and application space Bridging the technology gaps between interrelated fields, this reference is a powerful tool for students, engineers and scientists in the electrical, chemical, mechanical, biological, aerospace, materials, and optics fields. Its value also extends to applied physicists and professionals interested in the relationships between emerging technologies and cross-disciplinary opportunities. Author Mark A. Mentzer is a pioneer in the field of optical engineering. He is a senior research scientist at the U.S. Army Research Laboratory in Maryland. Much of his current work involves extending the fields of optical engineering and solid state physics into the realm of biochemistry and molecular biology, as well as structured research in biophotonics.
Download or read book IEEE 1986 Microwave and Millimeter Wave Monolithic Circuits Symposium written by and published by . This book was released on 1986 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt:
