Detection Of Low Level Optical Signals
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Detection of Low Level Optical Signals
Author | : M.A. Trishenkov |
Publsiher | : Springer Science & Business Media |
Total Pages | : 481 |
Release | : 2012-12-06 |
Genre | : Science |
ISBN | : 9789401512909 |
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This book is addressed to designers of photodetectors and photodetecting systems, designers of focal plane arrays, charge-coupled devices, specialists in IR technologies, designers of optoelectronic detecting, guiding and tracking systems, systems for IR direction finders, lidars, lightwave communication systems, IR imagers. All these specialists are united by one common purpose: they are all striving to catch the weakest possible optical signal. The most important characteristic of photosensitive devices is their detectivity, which determines the lowest level of optical signal they are able to detect above the noise level. These threshold characteristics define the most important tactical and technical parameters of the entire optoelectronic system, such as its range, resolution, precision. The threshold characteristics of optoelectronic system depend on many of its components; all designers agree, however, that the critically responsible part of the system is the photodetector [1]. By the end of the 1960s the physicists and the engineers were able to overcome many obstacles and to create photodetectors (at least single-element or few-element ones) which covered all the main optical bands (0. 4 . . . 2,2 . . . 3, 3 . . . 5,8 . . . 14 J. . Lm), carried out the detection almost without any loss (the quantum yield being as high as 0. 7 . . . 0. 9), and reduced the noise level to the lowest possible limit.
Detection of Optical Signals
Author | : Antoni Rogalski,Zbigniew Bielecki |
Publsiher | : CRC Press |
Total Pages | : 551 |
Release | : 2022-06-09 |
Genre | : Science |
ISBN | : 9781000543483 |
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Detection of Optical Signals provides a comprehensive overview of important technologies for photon detection, from the X-ray through ultraviolet, visible, infrared to far-infrared spectral regions. It uniquely combines perspectives from many disciplines, particularly within physics and electronics, which are necessary to have a complete understanding of optical receivers. This interdisciplinary textbook aims to: Guide readers into more detailed and technical treatments of readout optical signals Give a broad overview of optical signal detection including terahertz region and two-dimensional material Help readers further their studies by offering chapter-end problems and recommended reading. This is an invaluable resource for graduate students in physics and engineering, as well as a helpful refresher for those already working with aerospace sensors and systems, remote sensing, thermal imaging, military imaging, optical telecommunications, infrared spectroscopy, and light detection.
Optical Wireless Communications
Author | : Roberto Ramirez-Iniguez,Sevia M. Idrus,Ziran Sun |
Publsiher | : CRC Press |
Total Pages | : 318 |
Release | : 2008-04-03 |
Genre | : Technology & Engineering |
ISBN | : 9781000654523 |
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Over the last three decades, interest in Infrared (IR) technology as a medium to convey information has grown considerably. This is reflected by the increasing number of devices such as laptops, PDAs, and mobile phones that incorporate optical wireless transceivers and also by the increasing number of optical wireless links available for indoor and
Rubidium Atomic Clock The Workhorse Of Satellite Navigation
Author | : G M Saxena,Bikash Ghosal |
Publsiher | : World Scientific |
Total Pages | : 317 |
Release | : 2020-03-05 |
Genre | : Science |
ISBN | : 9789813279506 |
Download Rubidium Atomic Clock The Workhorse Of Satellite Navigation Book in PDF, Epub and Kindle
The Rubidium atomic clock (Rb) is the workhorse of the satellite navigation systems of which GPS is now a household name. With just the tap of a few keys, drivers and navigators all over the world are able to reach their destination effortlessly with high precision. People are now curious to know what makes this possible. Hence, the need to explain in simplistic terms the Rb atomic clocks that are onboard these satellite navigation systems because no good satellite navigation system is possible without such clocks.But why only Rb atomic clocks when far better and exotic atomic clocks are available? The reasons are as simple as that they are slim, low in weight, easy to build inexpensively. They are also used in numerous military applications such as secure communications, electronic warfare, command and control, telemetry and navigation. Besides, they are used in the measurements of the variation in fine-structure constant, test of relativity, precise spectroscopy and scientific research.This book details the history of time keeping and the chronological development of the Rb atomic clocks, with special focus on the physics Package that accounts for the actual performance of the clock. Researchers and industrialists will find that producing such clocks is relatively simple and inexpensive.
Silicon on Insulator Technology and Devices 14
Author | : Yasuhisa Omura |
Publsiher | : The Electrochemical Society |
Total Pages | : 357 |
Release | : 2009 |
Genre | : Semiconductors |
ISBN | : 9781566777124 |
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This issue of ECS Transactions contains papers on silicon-on-insulator subjects including devices, device physics, modelling, simulations, microelectronics, photonics, nano-technology, integrated circuits, radiation hardness, material characterization, reliability, and sensors
Applications in Industry
Author | : Anonim |
Publsiher | : Elsevier |
Total Pages | : 1064 |
Release | : 1998-12-17 |
Genre | : Technology & Engineering |
ISBN | : 0080557201 |
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Volume I contains a brief review of adsorption history and its development for practical purposes up until now. It also presents some important information on adsorbents and catalysts as well as on the methods of their characterization. The part of this volume dealing with practical industrial applications includes chapters presenting advanced technical tools for high capacity adsorption separation of liquid and gas mixtures, development of new adsorbents for removal of hazardous contaminants from combustion flue gases and wastewaters, degasification of coal seams and fabrication of inorganic membranes and their applications. A comprehensive review is also included on contemporary utility of self-assembled monolayers, adsorption proteins and their role in modern industry, adsorption methods in technology of optical fibre glasses, sol-gel technology, solid desiccant dehumidification systems, etc. The articles give both the scientific backgrounds of the phenomena discussed and emphasize their practical aspects. The chapters give not only brief current knowledge about the studied problems, but are also a source of topical literature on the subject. A comprehensive bibliography on adsorption principles, design data and adsorbent materials for industrial applications for the period 1967-1997 concludes the book.
Physics and Engineering of Radiation Detection
Author | : Syed Naeem Ahmed |
Publsiher | : Academic Press |
Total Pages | : 800 |
Release | : 2007-04-12 |
Genre | : Science |
ISBN | : 0080569641 |
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This book presents an overview of the physics of radiation detection and its applications. It covers the origins and properties of different kinds of ionizing radiation, their detection and measurement, and the procedures used to protect people and the environment from their potentially harmful effects. It details the experimental techniques and instrumentation used in different detection systems in a very practical way without sacrificing the physics content. It provides useful formulae and explains methodologies to solve problems related to radiation measurements. With abundance of worked-out examples and end-of-chapter problems, this book enables the reader to understand the underlying physical principles and their applications. Detailed discussions on different detection media, such as gases, liquids, liquefied gases, semiconductors, and scintillators make this book an excellent source of information for students as well as professionals working in related fields. Chapters on statistics, data analysis techniques, software for data analysis, and data acquisition systems provide the reader with necessary skills to design and build practical systems and perform data analysis. * Covers the modern techniques involved in detection and measurement of radiation and the underlying physical principles * Illustrates theoretical and practical details with an abundance of practical, worked-out examples * Provides practice problems at the end of each chapter
Information Photonics
Author | : Asit Kumar Datta,Soumika Munshi |
Publsiher | : CRC Press |
Total Pages | : 363 |
Release | : 2016-11-25 |
Genre | : Technology & Engineering |
ISBN | : 9781315355764 |
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The main aim of this book is to introduce the concept of photonic information processing technologies to the graduate and post-graduate students, researchers, engineers and scientists. It is expected to give the readers an insight into the concepts of photonic techniques of processing as a system, the photonic devices as required components which are applied in the areas of communication, computation and intelligent pattern recognition.