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Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 31
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Book Description
Fundamental research issues on infrared photodetectors are reported. These include the following: Task 1. HgCdTe (MCT) defect study Continuing the research on degradation of MCT, we explore the size changing of the dislocation loops and the effect of low-dose electron beam irradiation during TEM analysis. Self-energy correction is included to calculate the MCT defect states. For the photoluminescence image, we correlate the PL images from MCTs and their CZT substrates. Task 2. Antimony-based type-II superlattice (T2-SL) photodetectors We explored the temperature dependent and noise current characteristics of interband cascade detectors (ICDs). We also acquired type-II superlattice photodiodes from Jet Propulsion Lab and obtained a high detectivity of 5.23x1010 cmHz1/2/W at 77 K with devices of 10.5 m cutoff wavelength. Moreover, MOCVD growth of InAs/GaSb type-II superlattices was explored with substrates of both GaSb and GaAs. Task 3. Quantum dot infrared photodetectors (QDIPs) Our work has been focused on the growth and fabrication of high performance QDIP devices based on technologies developed. Defect-free 100-period InAs QD structure has been demonstrated. For InAs QDIPs grown on InP substrates by molecular beam epitaxy (MBE), peak detectivity of 2.1x109 cmHz1/2/W was achieved at a bias voltage of 0.8V.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 31
Get Book Here
Book Description
Fundamental research issues on infrared photodetectors are reported. These include the following: Task 1. HgCdTe (MCT) defect study Continuing the research on degradation of MCT, we explore the size changing of the dislocation loops and the effect of low-dose electron beam irradiation during TEM analysis. Self-energy correction is included to calculate the MCT defect states. For the photoluminescence image, we correlate the PL images from MCTs and their CZT substrates. Task 2. Antimony-based type-II superlattice (T2-SL) photodetectors We explored the temperature dependent and noise current characteristics of interband cascade detectors (ICDs). We also acquired type-II superlattice photodiodes from Jet Propulsion Lab and obtained a high detectivity of 5.23x1010 cmHz1/2/W at 77 K with devices of 10.5 m cutoff wavelength. Moreover, MOCVD growth of InAs/GaSb type-II superlattices was explored with substrates of both GaSb and GaAs. Task 3. Quantum dot infrared photodetectors (QDIPs) Our work has been focused on the growth and fabrication of high performance QDIP devices based on technologies developed. Defect-free 100-period InAs QD structure has been demonstrated. For InAs QDIPs grown on InP substrates by molecular beam epitaxy (MBE), peak detectivity of 2.1x109 cmHz1/2/W was achieved at a bias voltage of 0.8V.
Author: John David Vincent
Publisher: Wiley-Interscience
ISBN: 9780471502722
Category : Technology & Engineering
Languages : en
Pages : 504
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Book Description
A comprehensive text/reference for the operation and testing of infrared (IR) detectors. Includes formulas and examples for most laboratory applications. Covers detector types, radiometric concepts, test equipment, measurements and error analysis.
Author: Michael Vollmer
Publisher: John Wiley & Sons
ISBN: 3527413510
Category : Science
Languages : en
Pages : 803
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Book Description
This new up-to-date edition of the successful handbook and ready reference retains the proven concept of the first, covering basic and advanced methods and applications in infrared imaging from two leading expert authors in the field. All chapters have been completely revised and expanded and a new chapter has been added to reflect recent developments in the field and report on the progress made within the last decade. In addition there is now an even stronger focus on real-life examples, with 20% more case studies taken from science and industry. For ease of comprehension the text is backed by more than 590 images which include graphic visualizations and more than 300 infrared thermography figures. The latter include many new ones depicting, for example, spectacular views of phenomena in nature, sports, and daily life.
Author: John David Vincent
Publisher: John Wiley & Sons
ISBN: 1118094883
Category : Technology & Engineering
Languages : en
Pages : 594
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Book Description
Presents a comprehensive introduction to the selection, operation, and testing of infrared devices, including a description of modern detector assemblies and their operation This book discusses how to use and test infrared and visible detectors. The book provides a convenient reference for those entering the field of IR detector design, test or use, those who work in the peripheral areas, and those who teach and train others in the field. Chapter 1 contains introductory material. Radiometry is covered in Chapter 2. The author examines Thermal detectors in Chapter 3; the “Classical” photon detectors – simple photoconductors and photovoltaics in Chapter 4; and “Modern Photon Detectors” in Chapter 5. Chapters 6 through 8 consider respectively individual elements and small arrays of elements the “readouts” (ROICs) used with large imaging arrays; and Electronics for FPA Operation and Testing. The Test Set and The Testing Process are analyzed in Chapters 9 and 10, with emphasis on uncertainty and trouble shooting. Chapters 11 through 15 discuss related skills, such as Uncertainty, Cryogenics, Vacuum, Optics, and the use of Fourier Transforms in the detector business. Some highlights of this new edition are that it Discusses radiometric nomenclature and calculations, detector mechanisms, the associated electronics, how these devices are tested, and real-life effects and problems Examines new tools in Infrared detector operations, specifically: selection and use of ROICs, electronics for FPA operation, operation of single element and very small FPAs, microbolometers, and multi-color FPAs Contains five chapters with frequently sought-after information on related subjects, such as uncertainty, optics, cryogenics, vacuum, and the use of Fourier mathematics for detector analyses Fundamentals of Infrared and Visible Detector Operation and Testing, Second Edition, provides the background and vocabulary necessary to help readers understand the selection, operation, and testing of modern infrared devices.
Author: Antonio Rogalski
Publisher: CRC Press
ISBN: 1420076728
Category : Science
Languages : en
Pages : 900
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Book Description
Completely revised and reorganized while retaining the approachable style of the first edition, Infrared Detectors, Second Edition addresses the latest developments in the science and technology of infrared (IR) detection. Antoni Rogalski, an internationally recognized pioneer in the field, covers the comprehensive range of subjects necessary to un
Author: Michael A. Kinch
Publisher: SPIE Press
ISBN: 9780819467317
Category : Technology & Engineering
Languages : en
Pages : 190
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Book Description
The choice of available infrared (IR) detectors for insertion into modern IR systems is both large and confusing. The purpose of this volume is to provide a technical database from which rational IR detector selection criteria evolve, and thus clarify the options open to the modern IR system designer. Emphasis concentrates mainly on high-performance IR systems operating in a tactical environment, although there also is discussion of both strategic environments and low- to medium-performance system requirements.
Author: John David Vincent
Publisher: John Wiley & Sons
ISBN: 1119011876
Category : Technology & Engineering
Languages : en
Pages : 594
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Book Description
Presents a comprehensive introduction to the selection, operation, and testing of infrared devices, including a description of modern detector assemblies and their operation This book discusses how to use and test infrared and visible detectors. The book provides a convenient reference for those entering the field of IR detector design, test or use, those who work in the peripheral areas, and those who teach and train others in the field. Chapter 1 contains introductory material. Radiometry is covered in Chapter 2. The author examines Thermal detectors in Chapter 3; the “Classical” photon detectors – simple photoconductors and photovoltaics in Chapter 4; and “Modern Photon Detectors” in Chapter 5. Chapters 6 through 8 consider respectively individual elements and small arrays of elements the “readouts” (ROICs) used with large imaging arrays; and Electronics for FPA Operation and Testing. The Test Set and The Testing Process are analyzed in Chapters 9 and 10, with emphasis on uncertainty and trouble shooting. Chapters 11 through 15 discuss related skills, such as Uncertainty, Cryogenics, Vacuum, Optics, and the use of Fourier Transforms in the detector business. Some highlights of this new edition are that it Discusses radiometric nomenclature and calculations, detector mechanisms, the associated electronics, how these devices are tested, and real-life effects and problems Examines new tools in Infrared detector operations, specifically: selection and use of ROICs, electronics for FPA operation, operation of single element and very small FPAs, microbolometers, and multi-color FPAs Contains five chapters with frequently sought-after information on related subjects, such as uncertainty, optics, cryogenics, vacuum, and the use of Fourier mathematics for detector analyses Fundamentals of Infrared and Visible Detector Operation and Testing, Second Edition, provides the background and vocabulary necessary to help readers understand the selection, operation, and testing of modern infrared devices.
Author: Antonio Rogalski
Publisher: CRC Press
ISBN: 9789056992033
Category : Technology & Engineering
Languages : en
Pages : 710
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Book Description
Infrared Detectors provides comprehensive coverage of this important aspect of infrared technology, including details of recent research efforts directed toward improving the performance of single element devices, large electronically scanned arrays, and higher operating temperatures. Discussions include HgCdTe detectors, Schottky barrier photoemissive devices, silicon, germanium, and InSb detectors, and quantum well infrared photodetectors. The author also considers IR thermal detectors, including details on phyroelectric detectors, micromachined silicon bolometers, and high Tc superconductor detectors.
Author: R. H. Kingston
Publisher: Springer
ISBN: 3540359486
Category : Science
Languages : en
Pages : 151
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Book Description
This text treats the fundamentals of optical and infrared detection in terms of the behavior of the radiation field, the physical properties of the detector, and the statistical behavior of the detector output. Both incoherent and coherent detection are treated in a unified manner, after which selected applications are analyzed, following an analysis of atmospheric effects and signal statistics. The material was developed during a one-semester course at M.I.T. in 1975, revised and presented again in 1976 at Lincoln Laboratory, and rewritten for publication in 1977. Chapter 1 reviews the derivation of Planck's thermal radiation law and also presents several fundamental concepts used throughout the text. These include the three thermal distribution laws (Boltzmann, Fermi-Dirac, Bose Einstein), spontaneous and stimulated emission, and the definition and counting of electromagnetic modes of space. Chapter 2 defines and analyzes the perfect photon detector and calculates the ultimate sensitivity in the presence of thermal radiation. In Chapter 3, we turn from incoherent or power detection to coherent or heterodyne detection and use the concept of orthogonal spatial modes to explain the antenna theorem and the mixing theorem. Chapters 4 through 6 then present a detailed analysis of the sensitivity of vacuum and semiconductor detectors, including the effects of amplifier noise.
Author: J. Caniou
Publisher: Springer Science & Business Media
ISBN: 1475761406
Category : Technology & Engineering
Languages : en
Pages : 650
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Book Description
Familiarization with the infrared world Thermal imaging systems extend human perception beyond the visible spectrum. Since their principle is based on the natural emission of energy by physical bodies, they represent today the subject of a great deal of interest in many fields, whether in the military field or in industry or in research laboratories. They can be employed to analyse physical properties of objects, such as their energy level or their surface appearance; they are also commonly used to observe scenes in particular conditions like night vision, or in order to increase the visibility range through haze and fogs. All of these applications exploit the properties of infrared radiation whose characteristics are described in this book. This is achieved in a manner which differs from other publications on the same subject in that the book is governed by the intention to progressively lead the reader to a complete understanding of the infrared. The author intends to link physical theory to each specific aspect of the elements involved in the detection process, from their physical origin up to energy mapping in a two-dimensional picture. However we thought that it was unnecessary to demonstrate again that which the reader will easily find in scientific literature, nor to write another data book. Our aim is to fill the gap between theory and practical application. The subject is vast: infrared systems combines a wide variety of disciplines and image interpretation depends on the precise understanding of various phenomena.
