Ion Assisted Deposition of Graded Index Silicon Oxynitride Coatings PDF Download
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Author: GA. Al-Jumaily
Publisher:
ISBN:
Category : Laser beams
Languages : en
Pages : 5
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Book Description
Graded index coatings of silicon oxynitride have been deposited using ion assisted deposition (IAD). During the IAD process the coated surface is bombarded with low energy reactive ions such that the chemical properties of the coating can be changed in a controlled fashion. We have shown that the chemical composition of SiNXOY can be varied continuously from silicon nitride to silicon oxide. As a result, the index of refraction of the coatings can be varied between 2.1 and 1.45 by varying the gas mixture in the coating system. The process has been used to deposit graded index antireflection coatings and rugate filters. Several diagnostic techniques were employed to examine the optical, mechanical, and chemical properties of the coatings.
Author: GA. Al-Jumaily
Publisher:
ISBN:
Category : Laser beams
Languages : en
Pages : 5
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Book Description
Graded index coatings of silicon oxynitride have been deposited using ion assisted deposition (IAD). During the IAD process the coated surface is bombarded with low energy reactive ions such that the chemical properties of the coating can be changed in a controlled fashion. We have shown that the chemical composition of SiNXOY can be varied continuously from silicon nitride to silicon oxide. As a result, the index of refraction of the coatings can be varied between 2.1 and 1.45 by varying the gas mixture in the coating system. The process has been used to deposit graded index antireflection coatings and rugate filters. Several diagnostic techniques were employed to examine the optical, mechanical, and chemical properties of the coatings.
Author: Harold Earl Bennett
Publisher: ASTM International
ISBN: 0819405329
Category : Laser beams
Languages : en
Pages : 591
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Book Description
Of meeting -- Materials and measurements -- Surfaces and mirrors -- Thin films -- Fundamental mechanisms -- Presented by title only (papers not presented at conference).
Author:
Publisher:
ISBN:
Category : Laser beams
Languages : en
Pages : 600
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Book Description
Author:
Publisher:
ISBN:
Category : Materials
Languages : en
Pages : 602
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Book Description
Author: Aleksandr Borisovich Shvart?s?burg
Publisher: World Scientific
ISBN: 9814436968
Category : Science
Languages : en
Pages : 339
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Book Description
This book opens a new avenue to an engendering field of applied physics, located at the OC crossingOCO of modern photonics, electromagnetics, acoustics and material science. It also highlights the concept of OC non-localityOCO, which proves to be not a special feature of quantum phenomena, but is shown to have an important counterpart in classical physics and its engineering applications too. Furthermore, it visualizes the physical results by means of simple analytical presentations, reduced sometimes to the elementary functions.
Author: James Joseph McNally
Publisher:
ISBN:
Category : Optical coatings
Languages : en
Pages : 328
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Book Description
The effects on the properties of Ta2O5, Al2O3, SiO2 and HfO2 single- and multi-layer optical coatings deposited using ion assisted deposition (IAD) were investigated. IAD is a novel deposition technique which utilizes a separate ion source to direct a beam of ions at the growing film. A Kaufman ion source was used to provide a monoenergetic, neutralized beam of oxygen ions independent of the material evaporation process. The optical and physical properties, as well as laser induced damage threshold (LIDT) values, were studied for coatings bombarded with 200, 300, 500 and 1000 eV oxygen ions at values of current density from 0 to 200 microAmp/sq cm. IAD was successfully applied to deposit coatings at low temperature on heavy metal fluoride (HMF) glass substrates. The coatings deposited using IAD were hard and dense. The IAD coatings improved the durability and abrasion resistance of the HMF glass substrates. The results of this investigation show that IAD can be used to improve the optical and physical properties of optical coatings.
Author: Angela Piegari
Publisher: Woodhead Publishing
ISBN: 0081020996
Category : Technology & Engineering
Languages : en
Pages : 862
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Book Description
Optical Thin Films and Coatings: From Materials to Applications, Second Edition, provides an overview of thin film materials and their properties, design and manufacture across a wide variety of application areas. Sections explore their design and manufacture and their unconventional features, including the scattering properties of random structures in thin films, optical properties at short wavelengths, thermal properties and color effects. Other chapters focus on novel materials, including organic optical coatings, surface multiplasmonics, optical thin films containing quantum dots, and optical coatings, including laser components, solar cells, displays and lighting, and architectural and automotive glass. The book presents a technical resource for researchers and engineers working with optical thin films and coatings. It is also ideal for professionals in the security, automotive, space and other industries who need an understanding of the topic. - Provides thorough review of applications of optical coatings including laser components, solar cells, glazing, displays and lighting - One-stop reference that addresses deposition techniques, properties, and applications of optical thin films and coatings - Novel methods, suggestions for analysis, and applications makes this a valuable resource for experts in the field as well
Author:
Publisher:
ISBN:
Category : Engineering
Languages : en
Pages : 2264
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Book Description
Since its creation in 1884, Engineering Index has covered virtually every major engineering innovation from around the world. It serves as the historical record of virtually every major engineering innovation of the 20th century. Recent content is a vital resource for current awareness, new production information, technological forecasting and competitive intelligence. The world?s most comprehensive interdisciplinary engineering database, Engineering Index contains over 10.7 million records. Each year, over 500,000 new abstracts are added from over 5,000 scholarly journals, trade magazines, and conference proceedings. Coverage spans over 175 engineering disciplines from over 80 countries. Updated weekly.
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 19
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Book Description
An investigation was made by changing the preparation parameters, such as different ion species, ion energy, and ion current density, etc., to determine their effects on refractive indices, absorption, and laser-induced damage threshold, etc. of the coatings of TiO2, ZrO2 and SiO2 whose oxide coatings were prepared by ion-assisted deposition.
Author: Bozena Pietrzyk
Publisher: MDPI
ISBN: 3036507329
Category : Science
Languages : en
Pages : 210
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Book Description
Ceramic materials in the form of coatings can significantly improve the functionality and applications of other engineering materials. Due to a wide range of controllable features and various deposition methods, it is possible to create tailored substrate–coating systems that meet the requirements of modern technologies. Therefore, it is crucial to understand the relationships between the structures, morphology and the properties of ceramic coatings and expand the base of scientific knowledge about them. This book contains a series of fourteen articles which present research on the production and properties of ceramic coatings designed to improve functionality for advanced applications.
