Advances in Spectroscopic Monitoring of the Atmosphere

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Publisher : Elsevier
ISBN 13 : 0128156899
Total Pages : 634 pages
Book Rating : 4.1/5 (281 download)

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Book Synopsis Advances in Spectroscopic Monitoring of the Atmosphere by : Weidong Chen

Download or read book Advances in Spectroscopic Monitoring of the Atmosphere written by Weidong Chen and published by Elsevier. This book was released on 2021-06-09 with total page 634 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in Spectroscopic Monitoring of the Atmosphere provides a comprehensive overview of cutting-edge technologies and monitoring applications. Concepts are illustrated by numerous examples with information on spectroscopic techniques and applications widely distributed throughout the text. This information is important for researchers to gain an overview of recent developments in the field and make informed selections among the most suitable techniques. This volume also provides information that will allow researchers to explore implementing and developing new diagnostic tools or new approaches for trace gas and aerosol sensing themselves. Advances in Spectroscopic Monitoring of the Atmosphere covers advanced and newly emerging spectroscopic techniques for optical metrology of gases and particles in the atmosphere. This book will be a valuable reference for atmospheric scientists, including those whose focus is applying the methods to atmospheric studies, and those who develop instrumentation. It will also serve as a useful introduction to researchers entering the field and provide relevant examples to researchers and students developing and applying optical sensors for a variety of other scientific, technical, and industrial uses. - Overview of new applications including remote sensing by UAV, laser heterodyne radiometry, dual comb spectroscopy, and more - Features in-situ observations and measurements for real-world data - Includes content on leading edge optical sensors

Optoelectronic Devices

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Publisher : Elsevier
ISBN 13 : 9780080444260
Total Pages : 602 pages
Book Rating : 4.4/5 (442 download)

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Book Synopsis Optoelectronic Devices by : M Razeghi

Download or read book Optoelectronic Devices written by M Razeghi and published by Elsevier. This book was released on 2004 with total page 602 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tremendous progress has been made in the last few years in the growth, doping and processing technologies of the wide bandgap semiconductors. As a result, this class of materials now holds significant promis for semiconductor electronics in a broad range of applications. The principal driver for the current revival of interest in III-V Nitrides is their potential use in high power, high temperature, high frequency and optical devices resistant to radiation damage. This book provides a wide number of optoelectronic applications of III-V nitrides and covers the entire process from growth to devices and applications making it essential reading for those working in the semiconductors or microelectronics. Broad review of optoelectronic applications of III-V nitrides

Spectroscopic Applications of Terahertz Quantum-Cascade Lasers

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Author :
Publisher : Cuvillier Verlag
ISBN 13 : 3736962975
Total Pages : 132 pages
Book Rating : 4.7/5 (369 download)

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Book Synopsis Spectroscopic Applications of Terahertz Quantum-Cascade Lasers by : Tasmim Alam

Download or read book Spectroscopic Applications of Terahertz Quantum-Cascade Lasers written by Tasmim Alam and published by Cuvillier Verlag. This book was released on 2020-10-29 with total page 132 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantum cascade lasers (QCLs) are attractive for high-resolution spectroscopy because they can provide high power and a narrow linewidth. They are particularly promising in the terahertz (THz) range since they can be used as local oscillators for heterodyne detection as well as transmitters for direct detection. However, THz QCL-based technologies are still under development and are limited by the lack of frequency tunability as well as the frequency and output power stability for free-running operation. In this dissertation, frequency tuning and linewidth of THz QCLs are studied in detail by using rotational spectroscopic features of molecular species. In molecular spectroscopy, the Doppler eff ect broadens the spectral lines of molecules in the gas phase at thermal equilibrium. Saturated absorption spectroscopy has been performed that allows for sub-Doppler resolution of the spectral features. One possible application is QCL frequency stabilization based on the Lamb dip. Since the tunability of the emission frequency is an essential requirement to use THz QCL for high-resolution spectroscopy, a new method has been developed that relies on near-infrared (NIR) optical excitation of the QCL rear-facet. A wide tuning range has been achieved by using this approach. The scheme is straightforward to implement, and the approach can be readily applied to a large class of THz QCLs. The frequency and output stability of the local oscillator has a direct impact on the performance and consistency of the heterodyne spectroscopy. A technique has been developed for a simultaneous stabilization of the frequency and output power by taking advantage of the frequency and power regulation by NIR excitation. The results presented in this thesis will enable the routine use of THz QCLs for spectroscopic applications in the near future.

Advances in high-power lasers for interdisciplinary applications

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Author :
Publisher : Frontiers Media SA
ISBN 13 : 2832540929
Total Pages : 181 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis Advances in high-power lasers for interdisciplinary applications by : Shuo Liu

Download or read book Advances in high-power lasers for interdisciplinary applications written by Shuo Liu and published by Frontiers Media SA. This book was released on 2023-12-22 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Long Wavelength Infrared Emitters Based on Quantum Wells and Superlattices

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Author :
Publisher : CRC Press
ISBN 13 : 9789056996833
Total Pages : 424 pages
Book Rating : 4.9/5 (968 download)

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Book Synopsis Long Wavelength Infrared Emitters Based on Quantum Wells and Superlattices by : Manfred Helm

Download or read book Long Wavelength Infrared Emitters Based on Quantum Wells and Superlattices written by Manfred Helm and published by CRC Press. This book was released on 2000-10-31 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book offers a thorough survey of long wavelength infrared semiconductor emitters based primarily on quantum wells and superlattices. Featuring contributions from the most prominent researchers in the field, this volume allows readers to compare different types of lasers as well as examine investigations of potential far-infrared/terrahertz sources. This is an essential reference for researchers, engineers and graduate students who wish to obtain comprehensive knowledge about infrared semiconductor sources and recent developments in this field.

Tunable Laser Applications

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Publisher : CRC Press
ISBN 13 : 1498788149
Total Pages : 426 pages
Book Rating : 4.4/5 (987 download)

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Book Synopsis Tunable Laser Applications by : F.J. Duarte

Download or read book Tunable Laser Applications written by F.J. Duarte and published by CRC Press. This book was released on 2016-02-22 with total page 426 pages. Available in PDF, EPUB and Kindle. Book excerpt: Broadly tunable lasers continue to have a tremendous impact in many and diverse fields of science and technology. From a renaissance in laser spectroscopy to Bose-Einstein condensation, the one nexus is the tunable laser. Tunable Laser Applications describes the physics and architectures of widely applied tunable laser sources. Fully updated and ex

Handbook of Optoelectronics

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Publisher : CRC Press
ISBN 13 : 1351595601
Total Pages : 444 pages
Book Rating : 4.3/5 (515 download)

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Book Synopsis Handbook of Optoelectronics by : John P. Dakin

Download or read book Handbook of Optoelectronics written by John P. Dakin and published by CRC Press. This book was released on 2017-10-05 with total page 444 pages. Available in PDF, EPUB and Kindle. Book excerpt: Handbook of Optoelectronics offers a self-contained reference from the basic science and light sources to devices and modern applications across the entire spectrum of disciplines utilizing optoelectronic technologies. This second edition gives a complete update of the original work with a focus on systems and applications. Volume I covers the details of optoelectronic devices and techniques including semiconductor lasers, optical detectors and receivers, optical fiber devices, modulators, amplifiers, integrated optics, LEDs, and engineered optical materials with brand new chapters on silicon photonics, nanophotonics, and graphene optoelectronics. Volume II addresses the underlying system technologies enabling state-of-the-art communications, imaging, displays, sensing, data processing, energy conversion, and actuation. Volume III is brand new to this edition, focusing on applications in infrastructure, transport, security, surveillance, environmental monitoring, military, industrial, oil and gas, energy generation and distribution, medicine, and free space. No other resource in the field comes close to its breadth and depth, with contributions from leading industrial and academic institutions around the world. Whether used as a reference, research tool, or broad-based introduction to the field, the Handbook offers everything you need to get started. John P. Dakin, PhD, is professor (emeritus) at the Optoelectronics Research Centre, University of Southampton, UK. Robert G. W. Brown, PhD, is chief executive officer of the American Institute of Physics and an adjunct full professor in the Beckman Laser Institute and Medical Clinic at the University of California, Irvine.

Long-Wavelength Infrared Semiconductor Lasers

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Author :
Publisher : John Wiley & Sons
ISBN 13 : 9780471392002
Total Pages : 418 pages
Book Rating : 4.3/5 (92 download)

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Book Synopsis Long-Wavelength Infrared Semiconductor Lasers by : Hong K. Choi

Download or read book Long-Wavelength Infrared Semiconductor Lasers written by Hong K. Choi and published by John Wiley & Sons. This book was released on 2004-03-18 with total page 418 pages. Available in PDF, EPUB and Kindle. Book excerpt: Long-wavelength Infrared Semiconductor Lasers provides a comprehensive review of the current status of semiconductor coherent sources emitting in the mid-to far-infrared spectrum and their applications. It includes three topics not covered in any previous book: far-infrared emission from photo-mixers as well as from hot-hole lasers, and InP-based lasers emitting beyond two micrometers. Semiconductor lasers emitting at more than two micrometers have many applications such as in trace gas analysis, environmental monitoring, and industrial process control. Because of very rapid progress in recent years, until this book no comprehensive information beyond scattered journal articles is available at present.

Lasers and Optoelectronics

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Publisher : John Wiley & Sons
ISBN 13 : 1118688961
Total Pages : 771 pages
Book Rating : 4.1/5 (186 download)

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Book Synopsis Lasers and Optoelectronics by : Anil K. Maini

Download or read book Lasers and Optoelectronics written by Anil K. Maini and published by John Wiley & Sons. This book was released on 2013-08-05 with total page 771 pages. Available in PDF, EPUB and Kindle. Book excerpt: With emphasis on the physical and engineering principles, this book provides a comprehensive and highly accessible treatment of modern lasers and optoelectronics. Divided into four parts, it explains laser fundamentals, types of lasers, laser electronics & optoelectronics, and laser applications, covering each of the topics in their entirety, from basic fundamentals to advanced concepts. Key features include: exploration of technological and application-related aspects of lasers and optoelectronics, detailing both existing and emerging applications in industry, medical diagnostics and therapeutics, scientific studies and Defence. simple explanation of the concepts and essential information on electronics and circuitry related to laser systems illustration of numerous solved and unsolved problems, practical examples, chapter summaries, self-evaluation exercises, and a comprehensive list of references for further reading This volume is a valuable design guide for R&D engineers and scientists engaged in design and development of lasers and optoelectronics systems, and technicians in their operation and maintenance. The tutorial approach serves as a useful reference for under-graduate and graduate students of lasers and optoelectronics, also PhD students in electronics, optoelectronics and physics.

Quantum Cascade Lasers

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Author :
Publisher : Oxford University Press
ISBN 13 : 0198528248
Total Pages : 321 pages
Book Rating : 4.1/5 (985 download)

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Book Synopsis Quantum Cascade Lasers by : Jérôme Faist

Download or read book Quantum Cascade Lasers written by Jérôme Faist and published by Oxford University Press. This book was released on 2013-03-14 with total page 321 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes the physics, fabrication technology, and applications of the quantum cascade laser.

More Things in Heaven and Earth

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Publisher : Springer Science & Business Media
ISBN 13 : 1461215129
Total Pages : 855 pages
Book Rating : 4.4/5 (612 download)

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Book Synopsis More Things in Heaven and Earth by : Benjamin Bederson

Download or read book More Things in Heaven and Earth written by Benjamin Bederson and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 855 pages. Available in PDF, EPUB and Kindle. Book excerpt: The 20th century has been the century of unparalleled scientific advances fuelled primarily by discoveries made by physicists. The century also represents the life span of the American Physical Society, not coincidentally, and to celebrate both its own centennial and this remarkable century, the APS has prepared this book highlighting the seminal discoveries of the 20th century, with invited articles by the world's most eminent living physicists, including 12 physics Nobel Prize winners. Some 40 chapters cover a broad range of topics in physics written in an engaging and personal style. While the technical level is high, these are not review articles, but rather perspectives on discoveries written by those scientists most closely associated with the original work, as well as future directions of research.

Terahertz and Mid Infrared Radiation: Detection of Explosives and CBRN (Using Terahertz)

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Author :
Publisher : Springer
ISBN 13 : 9401785724
Total Pages : 201 pages
Book Rating : 4.4/5 (17 download)

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Book Synopsis Terahertz and Mid Infrared Radiation: Detection of Explosives and CBRN (Using Terahertz) by : Mauro F. Pereira

Download or read book Terahertz and Mid Infrared Radiation: Detection of Explosives and CBRN (Using Terahertz) written by Mauro F. Pereira and published by Springer. This book was released on 2014-03-10 with total page 201 pages. Available in PDF, EPUB and Kindle. Book excerpt: The reader will find here a timely update on new THz sources and detection schemes as well as concrete applications to the detection of Explosives and CBRN. Included is a method to identify hidden RDX-based explosives (pure and plastic ones) in the frequency domain study by Fourier Transformation, which has been complemented by the demonstration of improvement of the quality of the images captured commercially available THz passive cameras. The presented examples show large potential for the detection of small hidden objects at long distances (6-10 m). Complementing the results in the short-wavelength range, laser spectroscopy with a mid-infrared, room temperature, continuous wave, DFB laser diode and high performance DFB QCL have been demonstrated to offer excellent enabling sensor technologies for environmental monitoring, medical diagnostics, industrial and security applications. From the new source point of view a number of systems have been presented - From superconductors to semiconductors, e.g. Detection of Terahertz Waves from Superconducting Bi2Sr2CaCu2O8+δ Intrinsic Josephson Junctions. The quest for a compact room temperature THz source and the recent advances in high power mid-IR QCLs lead to the development of a semiconductor THz source based on intracavity difference frequency generation. Furthermore, alternative electrically pumped THz sources based on the high emission efficiency predicted for polaritonic states in the ultra-strong coupling regime led to the demonstration of electroluminescent devices. Finally, antipolaritons in dispersive media were discussed and different aspects of the interaction of THz radiation with biomatter were presented.

Optoelectronics for Low-Intensity Conflicts and Homeland Security

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Author :
Publisher : Artech House
ISBN 13 : 1630815721
Total Pages : 335 pages
Book Rating : 4.6/5 (38 download)

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Book Synopsis Optoelectronics for Low-Intensity Conflicts and Homeland Security by : Anil Maini

Download or read book Optoelectronics for Low-Intensity Conflicts and Homeland Security written by Anil Maini and published by Artech House. This book was released on 2018-11-30 with total page 335 pages. Available in PDF, EPUB and Kindle. Book excerpt: This authoritative new resource provides an overview of the deployment of various devices in systems in actual field conditions and efficacy established in warfare. The book covers laser and optronic technologies that have evolved over the years to build practical devices and systems for use in Homeland Security and low-intensity conflict scenarios. Readers will be able to assess combat and battle-worthiness of various available devices and systems. This book covers state-of-the-art and emerging trends in various optoelectronics technologies having applications in Homeland Security. It provides information on operational aspects, deployment scenarios, and actual usage of laser and optoelectronics based technologies for low intensity conflicts, offering insight into the utility of each technology/device for a given operational requirement. This book evaluates the merits of various laser and optoelectronic sensor based technologies intended for low intensity conflict operations, including counter-insurgency and anti-terrorist operations. It is a useful reference for those specializing in defense electronics and optronics and professionals in the defence industry involved in operation and maintenance of laser based security equipment. Packed with tables, photographs, and a comprehensive list of references in every chapter, this is the only book that covers all topics related to Laser and Optoelectronics devices intended for low intensity conflict operations in a single volume.

Explosives Detection

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Publisher : Springer Nature
ISBN 13 : 940241729X
Total Pages : 343 pages
Book Rating : 4.4/5 (24 download)

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Book Synopsis Explosives Detection by : Lorenzo Capineri

Download or read book Explosives Detection written by Lorenzo Capineri and published by Springer Nature. This book was released on 2020-01-29 with total page 343 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume presents selected contributions from the “Advanced Research Workshop on Explosives Detection” hosted by the Department of Information Engineering of the University of Florence, Italy in 2018. The main goal of the workshop was to find out how Science for Peace and Security projects in the field of Explosives Detection contribute to the development and/or refinement of scientific and technical knowledge and competencies. The findings of the workshop, presented in the last section of the book, determine future actions and direction of the SPS Programme in the field of explosives detection and management.The NATO Science for Peace and Security (SPS) Programme, promotes dialogue and practical cooperation between NATO member states and partner nations based on scientific research, technological innovation and knowledge exchange. Several initiatives were launched in the field of explosive detection and clearance, as part of NATO’s enhanced role in the international fight against terrorism. Experts and scientists from NATO members and partner countries have been brought together in multi-year projects, within the framework of the SPS Programme, to cooperate in the scientific research in explosive detection field, developing new technologies and methods to be implemented in order to detect explosive substances in different contexts.

Modern Vibrational Spectroscopy and Micro-Spectroscopy

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Publisher : John Wiley & Sons
ISBN 13 : 1118824989
Total Pages : 469 pages
Book Rating : 4.1/5 (188 download)

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Book Synopsis Modern Vibrational Spectroscopy and Micro-Spectroscopy by : Max Diem

Download or read book Modern Vibrational Spectroscopy and Micro-Spectroscopy written by Max Diem and published by John Wiley & Sons. This book was released on 2015-06-16 with total page 469 pages. Available in PDF, EPUB and Kindle. Book excerpt: Modern Vibrational Spectroscopy and Micro-Spectroscopy: Theory, Instrumentation and Biomedical Applications unites the theory and background of conventional vibrational spectroscopy with the principles of microspectroscopy. It starts with basic theory as it applies to small molecules and then expands it to include the large biomolecules which are the main topic of the book with an emphasis on practical experiments, results analysis and medical and diagnostic applications. This book is unique in that it addresses both the parent spectroscopy and the microspectroscopic aspects in one volume. Part I covers the basic theory, principles and instrumentation of classical vibrational, infrared and Raman spectroscopy. It is aimed at researchers with a background in chemistry and physics, and is presented at the level suitable for first year graduate students. The latter half of Part I is devoted to more novel subjects in vibrational spectroscopy, such as resonance and non-linear Raman effects, vibrational optical activity, time resolved spectroscopy and computational methods. Thus, Part 1 represents a short course into modern vibrational spectroscopy. Part II is devoted in its entirety to applications of vibrational spectroscopic techniques to biophysical and bio-structural research, and the more recent extension of vibrational spectroscopy to microscopic data acquisition. Vibrational microscopy (or microspectroscopy) has opened entirely new avenues toward applications in the biomedical sciences, and has created new research fields collectively referred to as Spectral Cytopathology (SCP) and Spectral Histopathology (SHP). In order to fully exploit the information contained in the micro-spectral datasets, methods of multivariate analysis need to be employed. These methods, along with representative results of both SCP and SHP are presented and discussed in detail in Part II.

State-of-the-Art Laser Spectroscopy and its Applications : Volume II

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Author :
Publisher : Frontiers Media SA
ISBN 13 : 283251412X
Total Pages : 492 pages
Book Rating : 4.8/5 (325 download)

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Book Synopsis State-of-the-Art Laser Spectroscopy and its Applications : Volume II by : Yufei Ma

Download or read book State-of-the-Art Laser Spectroscopy and its Applications : Volume II written by Yufei Ma and published by Frontiers Media SA. This book was released on 2023-02-09 with total page 492 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Mid-Infrared and Terahertz Quantum Cascade Lasers

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Author :
Publisher : Cambridge University Press
ISBN 13 : 1108427936
Total Pages : 551 pages
Book Rating : 4.1/5 (84 download)

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Book Synopsis Mid-Infrared and Terahertz Quantum Cascade Lasers by : Dan Botez

Download or read book Mid-Infrared and Terahertz Quantum Cascade Lasers written by Dan Botez and published by Cambridge University Press. This book was released on 2023-06-30 with total page 551 pages. Available in PDF, EPUB and Kindle. Book excerpt: A state-of-the-art overview of this rapidly expanding field, featuring fundamental theory, practical applications, and real-life examples.