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Author: Vladimir Kochergin
Publisher: Springer Science & Business Media
ISBN: 1475737939
Category : Science
Languages : en
Pages : 253
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Book Description
Optical Filters play an important role in the areas of imaging, sensing, MEMS and photonics. Omnidirectional Optical Filters gives an integrated presentation of this new type of filter design that is rapidly becoming an integral part of these areas. Not only does the book give the reader a fresh look at the development of optical filter material; it is the first text dedicated to the explanation of omnidirectional optical filters. Beginning with the description of the basic optical phenomena behind these filters, the book moves on to classical filter design, and then newer designs. For the first time, omnidirectional short-pass, band pass, band-blocking and narrow band-pass filter designs are explained in detail. For graduate and undergraduate students interested in optics, photonics and MEMS, this book will give a thorough understanding of the design, fabrication and theory behind omnidirectional optical filters. Engineers in imaging, sensing and MEMS looking to learn more about these filters will also find it a valuable reference and tool.
Author: Vladimir Kochergin
Publisher: Springer Science & Business Media
ISBN: 1475737939
Category : Science
Languages : en
Pages : 253
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Book Description
Optical Filters play an important role in the areas of imaging, sensing, MEMS and photonics. Omnidirectional Optical Filters gives an integrated presentation of this new type of filter design that is rapidly becoming an integral part of these areas. Not only does the book give the reader a fresh look at the development of optical filter material; it is the first text dedicated to the explanation of omnidirectional optical filters. Beginning with the description of the basic optical phenomena behind these filters, the book moves on to classical filter design, and then newer designs. For the first time, omnidirectional short-pass, band pass, band-blocking and narrow band-pass filter designs are explained in detail. For graduate and undergraduate students interested in optics, photonics and MEMS, this book will give a thorough understanding of the design, fabrication and theory behind omnidirectional optical filters. Engineers in imaging, sensing and MEMS looking to learn more about these filters will also find it a valuable reference and tool.
Author: H. Angus MacLeod
Publisher: CRC Press
ISBN: 1420073036
Category : Technology & Engineering
Languages : en
Pages : 810
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Book Description
Written by a world-renowned authority of optical coatings, Thin-Film Optical Filters, Fourth Edition presents an introduction to thin-film optical filters for both manufacturers and users. The preeminent author covers an assortment of design, manufacture, performance, and application topics. He also includes enough of the basic mathematics of optical thin films to enable readers to carry out thin-film calculations. This new edition of a bestseller retains most of the descriptions of older design techniques because of their importance in understanding how designs work. However, this edition includes a substantial amount of new material as well. A new chapter on color takes into account the increasing importance of color in optical coatings. In addition, a new section discusses the effects of gain in optical coatings. This comprehensive yet accessible book continues to offer valuable insight into the principles, techniques, and processes of successful coating design. It provides the sound foundation required to make further advances in the field.
Author: Hugh Angus Macleod
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 550
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Book Description
Optical coatings found in almost all optical instruments and devices are frequently the ultimate determinants of performance. This text is a rigorous review of the theory, manufacture and use of thin-film coatings, ranging from basic electromagnetic ideas to the operation of coating plants. The book collects data from a wide range of sources and will provide a useful introductory text for graduates in physics, optics and electrical engineering, technicians and specialists in optics, aerospace and the scientific instrument industry, newcomers to the field, and an invaluable reference for the wide range of specialists using thin-film coatings. This edition is a complete revision of the first, containing much new material and now using SI units.
Author: S. Jang
Publisher: The Electrochemical Society
ISBN: 1607685914
Category :
Languages : en
Pages : 347
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Book Description
Author: Dennis Hohlfeld
Publisher:
ISBN:
Category :
Languages : en
Pages : 0
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Book Description
Author: Abderrahim Elmoataz
Publisher: Springer
ISBN: 3642312543
Category : Computers
Languages : en
Pages : 607
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Book Description
This book constitutes the refereed proceedings of the 5th International Conference on Image and Signal Processing, ICISP 2012, held in Agadir, Morocco, in June 2012. The 75 revised full papers presented were carefully reviewed and selected from 158 submissions. The contributions are grouped into the following topical sections: multi/hyperspectral imaging; image itering and coding; signal processing; biometric; watermarking and texture; segmentation and retieval; image processing; pattern recognition.
Author: Fethallah Karim
Publisher: Cambridge Scholars Publishing
ISBN: 1527522954
Category : Technology & Engineering
Languages : en
Pages : 214
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Book Description
This book presents a collection of research articles related to optical filters, commonly used on optical communication systems like the Bragg grating filter, the hybrid Solc filter, the stratified photonic crystal and the two dimensional photonic crystal fiber. These devices were designed and optimized to filter with a high accuracy one or more channels from multiplexed optical signals through the wavelength tenability, which was produced via the thermo-optic, electro-optic and strain effects.
Author: Harald Haas
Publisher: Artech House
ISBN: 1630816566
Category : Technology & Engineering
Languages : en
Pages : 364
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Book Description
The use of the optical spectrum for wireless communications has gained significant interest in recent years. Applications range from low-rate simplex transmission links using existing embedded CMOS cameras in smartphones, referred to as optical camera communications (OCC), mobile light fidelity (LiFi) networking in homes, offices, urban and sub-sea environments to free-space gigabit interconnects in data centers and point-to-point long-range wireless backhaul links outdoors and in space. This exciting book focuses on the use of optical wireless communications (OWC) for mobile use cases. The book discusses existing conventional radio frequency (RF)-based wireless access technology and presents the challenges that can impact the requirements of the future wave of new wireless services in the context of artificial intelligence (AI) driven autonomous systems and machine-type communications. The relationship between visible light communications (VLC) and light fidelity (LiFi), is explored, and the major advantages of VLC and LiFi such as security and data density, and discuss existing research challenges are also introduced. Channel modeling techniques are provided for mobile multiuser scenarios, and will introduce key building blocks to achieve LiFi cellular networks achieving orders of magnitude improvements of area spectral efficiency compared to state-of-the-art. Challenges that arise from moving from a static point-to-point visible light link to a LiFi network that is capable of serving hundreds of mobile and fixed nodes are discussed. An overview of recent standardization activities and the commercialization challenges of this disruptive technology is also provided.
Author: Mauro F. Pereira
Publisher: Springer
ISBN: 9401785724
Category : Science
Languages : en
Pages : 201
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Book Description
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.
Author: United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 470
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Book Description
