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Author : Yimin Hu
Publisher :
ISBN 13 :
Total Pages : 384 pages
Book Rating : 4.:/5 (481 download)
Download or read book Multilayer Dielectric Coatings for Optoelectronic Devices written by Yimin Hu and published by . This book was released on 2000 with total page 384 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Selected Articles Published by MDPI
Publisher : MDPI
ISBN 13 : 3039283340
Total Pages : 172 pages
Book Rating : 4.0/5 (392 download)
Download or read book Coatings to Improve Optoelectronic Devices written by Selected Articles Published by MDPI and published by MDPI. This book was released on 2020-04-09 with total page 172 pages. Available in PDF, EPUB and Kindle. Book excerpt: This selection is focused on coatings and films with applications in optoelectronics, such as photovoltaics, photocatalysis, and light-based sensors and phenomena. The studies investigate the optimal composition, crystalline structure, and morphology to deliver the different functionalities sought. Obtaining transparent p-type electrodes is challenging but extremely relevant in optoelectronics. Electric conduction mechanisms and the correlations with structure and doping are discussed. The important issue of the degradation pathways in perovskite-based solar cells and the possibilities offered by different types of coatings to encapsulate the devices as well as the beneficial effect of silica coating as an antireflection and antisoiling layer on well-established solar cells are discussed. New designs of nanoplasmonic films for chemical and biological molecule sensing are reviewed, such as the combination of metallic nanoparticles and nanostructured semiconductors and dispersing metallic or bi-metallic nanoparticles in CuO films. The impacts of structure, defects, and morphology on the photoactivated properties of WO3 films and on the shape memory behavior in Cu–Al–Ni thin films are discussed. Aggregated TiO2 nanoparticles on TiO2 layers are shown to enhance optical transmittance and confer a superhydrophilic characteristic. Finally, aspects of the fundamental characterization of thin films, Drude damping in thin films, and laser-induced deflection technique are discussed.
Download or read book Multilayer Optical Dielectric Coating written by and published by . This book was released on 1990 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: A highly damage resistant, multilayer, optical reflective coating includes alternating layers of doped and undoped dielectric material. The doping levels are low enough that there are no distinct interfaces between the doped and undoped layers so that the coating has properties nearly identical to the undoped material. The coating is fabricated at high temperature with plasma-assisted chemical vapor deposition techniques to eliminate defects, reduce energy-absorption sites, and maintain proper chemical stoichiometry. A number of differently-doped layer pairs, each layer having a thickness equal to one-quarter of a predetermined wavelength in the material are combined to form a narrowband reflective coating for a predetermined wavelength. Broadband reflectors are made by using a number of narrowband reflectors, each covering a portion of the broadband.
Author : John Macdonald
Publisher :
ISBN 13 :
Total Pages : 96 pages
Book Rating : 4.3/5 (91 download)
Download or read book Metal-dielectric Multilayers written by John Macdonald and published by . This book was released on 1971 with total page 96 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : S. Thakur
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (247 download)
Download or read book Development of Multilayer Optical Thin Film Coatings and Devices with Vaccum Coating Unit "VERA-902" written by S. Thakur and published by . This book was released on 1999 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : William S. C. Chang
Publisher : Cambridge University Press
ISBN 13 : 0521868238
Total Pages : 213 pages
Book Rating : 4.5/5 (218 download)
Download or read book Fundamentals of Guided-Wave Optoelectronic Devices written by William S. C. Chang and published by Cambridge University Press. This book was released on 2010 with total page 213 pages. Available in PDF, EPUB and Kindle. Book excerpt: Uniquely combines both the optical and electrical properties of guided-wave optoelectronic devices, providing key concepts and practical analytical techniques.
Author : Goutam Kumar Dalapati
Publisher : Elsevier
ISBN 13 : 0128221046
Total Pages : 318 pages
Book Rating : 4.1/5 (282 download)
Download or read book Energy Saving Coating Materials written by Goutam Kumar Dalapati and published by Elsevier. This book was released on 2020-05-14 with total page 318 pages. Available in PDF, EPUB and Kindle. Book excerpt: Energy Saving Coating Materials: Design, Process, Implementation and Developments provides comprehensive information regarding recent materials advancements and design aspects and integration for infra-red radiation regulators, along with future developments of zero emission buildings. The key opportunities and challenges for the usage of existing heat regulation materials and their implementation for commercial aspects are explored. The fundamental interaction between electromagnetic waves and materials are discussed, along with materials synthesis, design and integration of coatings for smart window applications. This book presents recent developments of innovative technologies comprising energy saving materials and coatings which are key considerations for achieving vital energy saving milestones. Provides knowledge-based information on the optical properties of materials and their utility for solar energy harvesting and energy saving applications Discusses innovative coatings for smart windows applications, including the progressive development of radiative cooling and cool paint Previews future developments for the synthesis, design and integration of heat regulative materials
Author : Claude Amra
Publisher : Cambridge University Press
ISBN 13 : 1108809758
Total Pages : 396 pages
Book Rating : 4.1/5 (88 download)
Download or read book Electromagnetic Optics of Thin-Film Coatings written by Claude Amra and published by Cambridge University Press. This book was released on 2021-01-14 with total page 396 pages. Available in PDF, EPUB and Kindle. Book excerpt: Three experts in the field of thin-film optics present a detailed and self-contained theoretical study of planar multilayers and how they can be effectively exploited in both traditional and modern applications. Starting with a discussion of the relevant electromagnetic optics, the fundamental optical properties of multilayers are introduced using an electromagnetic approach based on a direct solving of Maxwell's equations by Fourier transforms. This powerful approach is illustrated through the comprehensive description of two of the most important phenomena in multilayers, i.e. giant field enhancement in dielectric stacks and light scattering from thin-film optical filters. The same approach is extended to the description of the operation of planar microcavities and the balance of energy between radiated and trapped light. This book will be valuable to researchers, engineers and graduate students with interests in nanophotonics, optical telecommunications, observational astronomy and gravitational wave detection.
Author : RM. Brusasco
Publisher :
ISBN 13 :
Total Pages : 17 pages
Book Rating : 4.:/5 (125 download)
Download or read book Damage Resistant Optical Coatings Prepared Using High Temperature, Plasma Chemical-Vapor-Deposition written by RM. Brusasco and published by . This book was released on 1990 with total page 17 pages. Available in PDF, EPUB and Kindle. Book excerpt: Multilayer dielectric optical coatings, nominally consisting of 1000 or more optical-quarterwave layers, have been prepared by reacting SiCl4 and a halogenated dopant (e.g. GeCl4) with O2 in a microwave-driven plasma. The dopant concentration is such that the index difference (An) between adjacent quarterwave layers is about 0.02 or less. The deposition is carried out at high substrate temperatures (850 to 1100°C) producing a fully dense, fused silica coating. Surface damage thresholds of high reflectivity (HR) coatings prepared by this plasma process are comparable to those for fused silica. For example, at 1.06 ?m and 16-ns we measure surface damage thresholds greater than 45 J/cm2 compared to about 45-60 J/cm2 for super-polished optical fused silica.
Author : National Research Council
Publisher : National Academies Press
ISBN 13 : 0309174392
Total Pages : 357 pages
Book Rating : 4.3/5 (91 download)
Download or read book Harnessing Light written by National Research Council and published by National Academies Press. This book was released on 1998-08-25 with total page 357 pages. Available in PDF, EPUB and Kindle. Book excerpt: Optical science and engineering affect almost every aspect of our lives. Millions of miles of optical fiber carry voice and data signals around the world. Lasers are used in surgery of the retina, kidneys, and heart. New high-efficiency light sources promise dramatic reductions in electricity consumption. Night-vision equipment and satellite surveillance are changing how wars are fought. Industry uses optical methods in everything from the production of computer chips to the construction of tunnels. Harnessing Light surveys this multitude of applications, as well as the status of the optics industry and of research and education in optics, and identifies actions that could enhance the field's contributions to society and facilitate its continued technical development.
Author : H. Pulker
Publisher : Elsevier
ISBN 13 : 0080525555
Total Pages : 569 pages
Book Rating : 4.0/5 (85 download)
Download or read book Coatings on Glass written by H. Pulker and published by Elsevier. This book was released on 1999-03-29 with total page 569 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the second, revised edition of a book that has already proved invaluable to a wide range of readers. Written by a scientist for scientists and technical people, it goes beyond the subject matter indicated by the title, filling the gap which previously existed in the available technical literature. It includes a wealth of information for physicists, chemists and engineers who need to know more about thin films for research purposes, or who want to use this special form of solid material to achieve a variety of application-oriented goals.
Author : Keqian Zhang
Publisher : Springer Science & Business Media
ISBN 13 : 3540742956
Total Pages : 728 pages
Book Rating : 4.5/5 (47 download)
Download or read book Electromagnetic Theory for Microwaves and Optoelectronics written by Keqian Zhang and published by Springer Science & Business Media. This book was released on 2008 with total page 728 pages. Available in PDF, EPUB and Kindle. Book excerpt: A text on electromagnetic fields and waves. It is useful reference for researchers and engineers in the areas of microwaves and optoelectronics. It discusses the field analysis of electromagnetic waves confined in material boundaries, or so-called guided waves, and electromagnetic waves in the dispersive media and anisotropic media.
Author :
Publisher :
ISBN 13 :
Total Pages : 32 pages
Book Rating : 4.:/5 (893 download)
Download or read book 2−12-D Electromagnetic Modeling of Nodular Defects in High-power Multilayer Optical Coatings written by and published by . This book was released on 1996 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: Advances in the design and production of high damage threshold optical coatings for use in mirrors and polarizers have been driven by the design requirements of high-power laser systems such as the proposed 1.8-MJ National Ignition Facility (NIF) and the prototype 12- kJ Beamlet laser system. The present design of the NIF will include 192 polarizers and more than 1100 mirrors. Currently, the material system of choice for high-power multilayer optical coatings with high damage threshold applications near 1.06 [mu]m are e-beam deposited HfO2/Si02 coatings. However, the optical performance and laser damage thresholds of these coatings are limited by micron-scale defects and insufficient control over layer thickness. In this report, we will discuss the results of our 2-1/2-D finite-element time- domain (FDTD) EM modeling effort for rotationally-symmetric nodular defects in multilayer dielectric HR coatings. We have added a new diagnostic to the 2-1/2-D FDTD EM code, AMOS, that enables us to calculate the peak steady-state electric fields throughout a 2-D planar region containing a 2-D r-z cross-section of the axisymmetric nodular defect and surrounding multilayer dielectric stack. We have also generated a series of design curves to identify the range of loss tangents for Si02 and HfO2 consistent with the experimentally determined power loss of the HR coatings. In addition, we have developed several methods to provide coupling between the EM results and the thermal-mechanical simulation effort.
Author : Rudolf Hartmann
Publisher :
ISBN 13 :
Total Pages : 620 pages
Book Rating : 4.3/5 (91 download)
Download or read book Electro-optical Materials for Switches, Coatings, Sensor Optics, and Detectors written by Rudolf Hartmann and published by . This book was released on 1990 with total page 620 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : J.G. Rarity
Publisher : Springer Science & Business Media
ISBN 13 : 9400903138
Total Pages : 600 pages
Book Rating : 4.4/5 (9 download)
Download or read book Microcavities and Photonic Bandgaps: Physics and Applications written by J.G. Rarity and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 600 pages. Available in PDF, EPUB and Kindle. Book excerpt: The control of optical modes in microcavities or in photonic bandgap (PBG) materials is coming of age! Although these ideas could have been developed some time ago, it is only recently that they have emerged, due to advances in both atomic physics and in fabrication techniques, be it on the high-quality dielectric mirrors required for high-finesse Fabry Perot resonators or in semiconductor multilayer deposition methods. Initially the principles of quantum electro-dynamics (QED) were demonstrated in elegant atomic physics experiments. Now solid-state implementations are being investigated, with several subtle differences from the atomic case such as those due to their continuum of electronic states or the near Boson nature of their elementary excitations, the exciton. Research into quantum optics brings us ever newer concepts with potential to improve system performance such as photon squeezing, quantum cryptography, reversible taps, photonic de Broglie waves and quantum computers. The possibility of implementing these ideas with solid-state systems gives us hope that some could indeed find their way to the market, demonstrating the continuing importance of basic research for applications, be it in a somewhat more focused way than in earlier times for funding.
Author : H. Angus MacLeod
Publisher : CRC Press
ISBN 13 : 1420033239
Total Pages : 658 pages
Book Rating : 4.4/5 (2 download)
Download or read book Thin-Film Optical Filters written by H. Angus MacLeod and published by CRC Press. This book was released on 2001-01-26 with total page 658 pages. Available in PDF, EPUB and Kindle. Book excerpt: Very common optical coatings are those that give the faint, reflected color to the lenses in cameras, binoculars, and spectacles. The thin metal layer that makes the difference between a mirror and a simple sheet of glass is an optical coating. But, optical coatings are used in many more applications-a particularly important current one being the s
Author : William J. Mooney
Publisher :
ISBN 13 :
Total Pages : 424 pages
Book Rating : 4.3/5 (91 download)
Download or read book Optoelectronic Devices and Principles written by William J. Mooney and published by . This book was released on 1991 with total page 424 pages. Available in PDF, EPUB and Kindle. Book excerpt:
