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Optical Properties Of Organic Thin Films And Waveguides Fabricated By Ombd
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Book Synopsis Optical Properties of Organic Thin Films and Waveguides Fabricated by OMBD by : Venkatrshwar Rao Gangilenka
Download or read book Optical Properties of Organic Thin Films and Waveguides Fabricated by OMBD written by Venkatrshwar Rao Gangilenka and published by . This book was released on 2008 with total page 151 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Properties of Organic Films, Multilayers and Plasmonic Metal-organic Waveguides Fabricated by Organic Molecular Beam Deposition by : Niranjala D. Wickremasinghe
Download or read book Optical Properties of Organic Films, Multilayers and Plasmonic Metal-organic Waveguides Fabricated by Organic Molecular Beam Deposition written by Niranjala D. Wickremasinghe and published by . This book was released on 2015 with total page 146 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, the optical properties of tris (8-hydroxyquinoline) aluminum (Alq3) and 3,5,9,10-perylentetracarboxylic dianhydride (PTCDA) organic films, PTCDA/ Alq3 multilayers and plasmonic Alq3-metal waveguides are investigated. The organic films and heterostructures used for this work were fabricated by organic molecular beam deposition (OMBD). We investigated the quenching of the light emission in Alq3 films grown on a Si substrate as a function of cw laser excitation intensity at varying temperatures from 15 to 300 K. The saturation of the singlet-singlet annihilation coefficient was measured with spectrally-integrated (SI) photoluminescence (PL) using a photodiode. The bimolecular quenching coefficient was further studied with time-resolved (TR) PL as a function of 100 fs pulse fluences. The PL quenching is attributed to the annihilation of trapped excitons at Alq3 nanocrystal grain boundaries. The saturation is explained by the limited density of available trapping states at the grain boundaries. Our interpretation is supported by structural investigations of ultrathin Alq3 films with atomic force microscopy (AFM), scanning electron microscopy (SEM) and by comparing the experimental data with calculations using a coupled rate equation model. The wavelength dispersion of the refractive indices of PTCDA and Alq3 layers and of PTCDA/Alq3 multilayer waveguides grown on Pyrex substrates was investigated. The m-line technique, an evanescent prism coupling technique, was used to determine the layers' thickness and the in-plane (TE modes) and normal (TM modes) refractive indices. The potential for controlling the refractive index dispersion and anisotropy by tailored organic multilayer waveguides is discussed.
Book Synopsis Electrical and Optical Properties of Organic Thin Films by : Spencer Lewis Buckner
Download or read book Electrical and Optical Properties of Organic Thin Films written by Spencer Lewis Buckner and published by . This book was released on 1991 with total page 244 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Structural and Optical Properties of Organic Thin Films by : Kang Il Seo
Download or read book Structural and Optical Properties of Organic Thin Films written by Kang Il Seo and published by . This book was released on 1997 with total page 292 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Computing, Communication and Signal Processing by : Brijesh Iyer
Download or read book Computing, Communication and Signal Processing written by Brijesh Iyer and published by Springer. This book was released on 2018-09-14 with total page 1041 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book highlights cutting-edge research on various aspects of human–computer interaction (HCI). It includes selected research papers presented at the Third International Conference on Computing, Communication and Signal Processing (ICCASP 2018), organized by Dr. Babasaheb Ambedkar Technological University in Lonere-Raigad, India on January 26–27, 2018. It covers pioneering topics in the field of computer, electrical, and electronics engineering, e.g. signal and image processing, RF and microwave engineering, and emerging technologies such as IoT, cloud computing, HCI, and green computing. As such, the book offers a valuable guide for all scientists, engineers and research students in the areas of engineering and technology.
Book Synopsis Fundamentals and Sensing Applications of 2D Materials by : Chandra Sekhar Rout
Download or read book Fundamentals and Sensing Applications of 2D Materials written by Chandra Sekhar Rout and published by Woodhead Publishing. This book was released on 2019-06-15 with total page 512 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fundamentals and Sensing Applications of 2D Materials provides a comprehensive understanding of a wide range of 2D materials. Examples of fundamental topics include: defect and vacancy engineering, doping and advantages of 2D materials for sensing, 2D materials and composites for sensing, and 2D materials in biosystems. A wide range of applications are addressed, such as gas sensors based on 2D materials, electrochemical glucose sensors, biosensors (enzymatic and non-enzymatic), and printed, stretchable, wearable and flexible biosensors. Due to their sub-nanometer thickness, 2D materials have a high packing density, thus making them suitable for the fabrication of thin film based sensor devices. Benefiting from their unique physical and chemical properties (e.g. strong mechanical strength, high surface area, unparalleled thermal conductivity, remarkable biocompatibility and ease of functionalization), 2D layered nanomaterials have shown great potential in designing high performance sensor devices. Provides a comprehensive overview of 2D materials systems that are relevant to sensing, including transition metal dichalcogenides, metal oxides, graphene and other 2D materials system Includes information on potential applications, such as flexible sensors, biosensors, optical sensors, electrochemical sensors, and more Discusses graphene in terms of the lessons learned from this material for sensing applications and how these lessons can be applied to other 2D materials
Book Synopsis Optical Interconnects by : Ray T. Chen
Download or read book Optical Interconnects written by Ray T. Chen and published by Morgan & Claypool Publishers. This book was released on 2007 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes fully embedded board level optical interconnect in detail including the fabrication of the thin-film VCSEL array, its characterization, thermal management, the fabrication of optical interconnection layer, and the integration of devices on a flexible waveguide film. All the optical components are buried within electrical PCB layers in a fully embedded board level optical interconnect. Therefore, we can save foot prints on the top real estate of the PCB and relieve packaging difficulty reduced by separating fabrication processes. To realize fully embedded board level optical interconnects, many stumbling blocks need to be addressed such as thin-film transmitter and detector, thermal management, process compatibility, reliability, cost effective fabrication process, and easy integration. The material presented eventually will relieve such concerns and make the integration of optical interconnection highly feasible. The hybrid integration of the optical interconnection layer and electrical layers is ongoing.
Book Synopsis Photoacoustic Tomography by : Minghua Xu
Download or read book Photoacoustic Tomography written by Minghua Xu and published by CRC PressI Llc. This book was released on 2014-09-30 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis RF Photonic Technology in Optical Fiber Links by : William S. C. Chang
Download or read book RF Photonic Technology in Optical Fiber Links written by William S. C. Chang and published by Cambridge University Press. This book was released on 2007-05-14 with total page 423 pages. Available in PDF, EPUB and Kindle. Book excerpt: In many applications, radio frequency (RF) signals need to be transmitted and processed without being digitalized. Optical fiber provides a transmission medium in which RF modulated optical carriers can be transmitted and distributed with very low loss, making it more efficient and less costly than conventional electronic systems. This volume presents a review of RF photonic components, transmission systems, and signal processing examples in optical fibers from leading academic, government, and industry scientists working in this field. It also introduces the reader to various related technologies such as direct modulation of laser sources, external modulation techniques, and detectors. The text is aimed at engineers and scientists engaged in the research and development of optical fibers and analog RF applications. With an emphasis on design, performance and practical application, this book will be of particular interest to those developing systems based on this technology.
Book Synopsis The Magic Drum and Other Favourite Stories by : Sudhā Mūrti
Download or read book The Magic Drum and Other Favourite Stories written by Sudhā Mūrti and published by Penguin Books India. This book was released on 2006 with total page 164 pages. Available in PDF, EPUB and Kindle. Book excerpt: A princess thinks she was a bird, a coconut that cost a thousand rupees, and a shepherd with a bag of words...Kings and misers, princes and paupers, wise men and foolish boys, the funniest and oddest men and women come alive in this sparkling new collection of stories. The clever princess will only marry the man who can ask her a question she cannot answer; the orphan boy outwits his greedy uncles with a bag of ash; and an old couple in distress is saved by a magic drum. Sudha Murty's grandparents told her some of these stories when she was a child; others she heard from her friends from around the world. These delightful and timeless folktales have been her favourites for years, and she has recounted them many times over to the young people in her life. With this collection, they will be enjoyed by many more readers, of all ages. Age group of target audience is 8+.
Book Synopsis Automated Essay Scoring by : Mark D. Shermis
Download or read book Automated Essay Scoring written by Mark D. Shermis and published by Routledge. This book was released on 2003-01-30 with total page 256 pages. Available in PDF, EPUB and Kindle. Book excerpt: This new volume is the first to focus entirely on automated essay scoring and evaluation. It is intended to provide a comprehensive overview of the evolution and state-of-the-art of automated essay scoring and evaluation technology across several disciplines, including education, testing and measurement, cognitive science, computer science, and computational linguistics. The development of this technology has led to many questions and concerns. Automated Essay Scoring attempts to address some of these questions including: *How can automated scoring and evaluation supplement classroom instruction? *How does the technology actually work? *Can it improve students' writing? *How reliable is the technology? *How can these computing methods be used to develop evaluation tools? *What are the state-of the-art essay evaluation technologies and automated scoring systems? Divided into four parts, the first part reviews the teaching of writing and how computers can contribute to it. Part II analyzes actual automated essay scorers including e-raterTM, Intellimetric, and the Intelligent Essay Assessor. The third part analyzes related psychometric issues, and the final part reviews innovations in the field. This book is ideal for researchers and advanced students interested in automated essay scoring from the fields of testing and measurement, education, cognitive science, language, and computational linguistics.
Book Synopsis Thermophysical Properties of Solid Materials by : Armour Research Foundation (U.S.)
Download or read book Thermophysical Properties of Solid Materials written by Armour Research Foundation (U.S.) and published by . This book was released on 1959 with total page 434 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Building Intelligent Interactive Tutors by : Beverly Park Woolf
Download or read book Building Intelligent Interactive Tutors written by Beverly Park Woolf and published by Morgan Kaufmann. This book was released on 2010-07-28 with total page 480 pages. Available in PDF, EPUB and Kindle. Book excerpt: Building Intelligent Interactive Tutors discusses educational systems that assess a student's knowledge and are adaptive to a student's learning needs. The impact of computers has not been generally felt in education due to lack of hardware, teacher training, and sophisticated software. and because current instructional software is neither truly responsive to student needs nor flexible enough to emulate teaching. Dr. Woolf taps into 20 years of research on intelligent tutors to bring designers and developers a broad range of issues and methods that produce the best intelligent learning environments possible, whether for classroom or life-long learning. The book describes multidisciplinary approaches to using computers for teaching, reports on research, development, and real-world experiences, and discusses intelligent tutors, web-based learning systems, adaptive learning systems, intelligent agents and intelligent multimedia. It is recommended for professionals, graduate students, and others in computer science and educational technology who are developing online tutoring systems to support e-learning, and who want to build intelligence into the system. Combines both theory and practice to offer most in-depth and up-to-date treatment of intelligent tutoring systems available Presents powerful drivers of virtual teaching systems, including cognitive science, artificial intelligence, and the Internet Features algorithmic material that enables programmers and researchers to design building components and intelligent systems
Book Synopsis Broadband Optical Modulators by : Antao Chen
Download or read book Broadband Optical Modulators written by Antao Chen and published by CRC Press. This book was released on 2016-04-19 with total page 555 pages. Available in PDF, EPUB and Kindle. Book excerpt: "provides the full, exciting story of optical modulators. a comprehensive review, from the fundamental science to the material and processing technology to the optimized device design to the multitude of applications for which broadband optical modulators bring great value. Especially valuable in my view is that the authors are internationally
Book Synopsis Computer Graphics Through OpenGL® by : Sumanta Guha
Download or read book Computer Graphics Through OpenGL® written by Sumanta Guha and published by CRC Press. This book was released on 2018-12-19 with total page 732 pages. Available in PDF, EPUB and Kindle. Book excerpt: COMPREHENSIVE COVERAGE OF SHADERS AND THE PROGRAMMABLE PIPELINE From geometric primitives to animation to 3D modeling to lighting, shading and texturing, Computer Graphics Through OpenGL®: From Theory to Experiments is a comprehensive introduction to computer graphics which uses an active learning style to teach key concepts. Equally emphasizing theory and practice, the book provides an understanding not only of the principles of 3D computer graphics, but also the use of the OpenGL® Application Programming Interface (API) to code 3D scenes and animation, including games and movies. The undergraduate core of the book takes the student from zero knowledge of computer graphics to a mastery of the fundamental concepts with the ability to code applications using fourth-generation OpenGL®. The remaining chapters explore more advanced topics, including the structure of curves and surfaces, applications of projective spaces and transformations and the implementation of graphics pipelines. This book can be used for introductory undergraduate computer graphics courses over one to two semesters. The careful exposition style attempting to explain each concept in the simplest terms possible should appeal to the self-study student as well. Features • Covers the foundations of 3D computer graphics, including animation, visual techniques and 3D modeling • Comprehensive coverage of OpenGL® 4.x, including the GLSL and vertex, fragment, tessellation and geometry shaders • Includes 180 programs with 270 experiments based on them • Contains 750 exercises, 110 worked examples, and 700 four-color illustrations • Requires no previous knowledge of computer graphics • Balances theory with programming practice using a hands-on interactive approach to explain the underlying concepts
Book Synopsis 2019 International Conference on Electrical, Computer and Communication Engineering (ECCE) by : IEEE Staff
Download or read book 2019 International Conference on Electrical, Computer and Communication Engineering (ECCE) written by IEEE Staff and published by . This book was released on 2019-02-07 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Computer Vision, Image Processing, Internet of Things, Cognitive Radio, Wireless Sensor Networks, Algorithms and Complexity, Power and Energy, Nuclear Engineering, Electronics, VLSI, Signal and Systems, Bioinformatics, Medical Imaging, Human Computer Interaction, Robotics and Automation, Control Theory, Communication and Antenna, Phonetics, Embedded system, Intelligent Vehicle, Smart Grids, Green Technology
Book Synopsis Mission Into Light by : Steve Hammons
Download or read book Mission Into Light written by Steve Hammons and published by iUniverse. This book was released on 2001-01-21 with total page 255 pages. Available in PDF, EPUB and Kindle. Book excerpt: What starts out as a phone call and job offer to Arizonan Mike Green quickly evolves into a mystifying adventure into the unknown. Mike is recruited into a San Deigo-based Defense Department research team called the "Joint Reconnaissance Study Group." The group includes ten women and men, all well-trained and dedicated. The "JRSG" and its friends gather intelligence information on unusual phenomena: UFOs, crop circles, dolphin intelligence, deep-memory DNA theories, near-death experiences, "Earth changes" involving "pole shifts," and Native American culture and legends. Connections among these areas are discovered, as well as links to the past and future of Earth and the human race. The group explores ancient questions and modern discoveries crucial to the evolution of humanity. They conduct investigations in San Diego, Sedona, Arizona, the "Four Corners" region, and Hawaii. They face experiences that are scientific, physical, mental, emotional, and spiritual. The group faces deadly threats from opponents who want to stop them. In the midst of dangers, there is romantic and erotic heat betweeen Mike and Amy Mella, one of the group's dolphin researchers. Even with the support and fellowship from his friends, Mike faces extreme circumstances alone. This is a story of relationships between women and men, military and civilian, the intelligence community and the average American, the known and the unknown. It is an exploration of strange phenomena and mysteries that now hold the interest and attention of millions of people worldwide. The characters follow paths of discovery to find a new understanding of their nation, the human species, and a hoped-for breakthrough that will change the world.
