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Uv Optical Properties Of The Thin Films
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Book Synopsis UV Optical Properties of the Thin Films by : Lena V. Zavyalova
Download or read book UV Optical Properties of the Thin Films written by Lena V. Zavyalova and published by . This book was released on 2001 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: "This thesis discusses the results of optical charaterization of several classes of thin film materials including metals, dielectrics, and various composites."--Abstract.
Book Synopsis Handbook of Optical Properties by : Rolf E. Hummel
Download or read book Handbook of Optical Properties written by Rolf E. Hummel and published by CRC Press. This book was released on 1995-02-24 with total page 378 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thin Films for Optical Coating emphasizes the applications of thin films, deposition of thin films, and thin film characterization. Unlike monographs on this subject, this book presents the views of many expert authors. Individual chapters span a wide arc of topics within this field of study. The book offers an introduction to usual and unusual applications of optical thin films, treating in a more qualitative way general topics such as anticounterfeiting coatings, decorative coatings, light switches, contrast enhancement coatings, multiplexers, optical memories, and more. Contributors review thin film media for optical data storage, UV broadband and narrow-band filters, and optically active thin film coatings. Ion beam sputtering and magnetron sputtering deposition methods are described in detail. Characterization techniques are provided, including Raman spectroscopy and absorption measurements. The book also offers theories on light scattering of thin dielectric films and the electromagnetic properties of nanocermet thin films. This reference incorporates recent research by the individual authors with their views of current developments in their respective fields. Of particular interest to the reader will be an assessment of the historical developments of thin film physics written by one of the fathers of thin film technology, Professor M. Auwärter.
Book Synopsis The Optical Properties of Thin Films of Calcium in the Far Ultraviolet with an Associated Lithium Film Investigation by : Michael Richard Potter
Download or read book The Optical Properties of Thin Films of Calcium in the Far Ultraviolet with an Associated Lithium Film Investigation written by Michael Richard Potter and published by . This book was released on 1972 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Thin Films for Optical Systems by : Flory
Download or read book Thin Films for Optical Systems written by Flory and published by CRC Press. This book was released on 1995-07-06 with total page 608 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work presents advances in thin films for applications in the fields of integrated optics, micro-optics, optical telecommunications and optoelectronics. It delineates the performance characteristics needed for graded coatings, damage-resistant laser coatings and many others. Basic theory and applications are illustrated.
Book Synopsis Optical Constants of Materials for UV and X-ray Wavelengths by : John F. Seely
Download or read book Optical Constants of Materials for UV and X-ray Wavelengths written by John F. Seely and published by SPIE-International Society for Optical Engineering. This book was released on 2004 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: Proceedings of SPIE present the original research papers presented at SPIE conferences and other high-quality conferences in the broad-ranging fields of optics and photonics. These books provide prompt access to the latest innovations in research and technology in their respective fields. Proceedings of SPIE are among the most cited references in patent literature.
Book Synopsis Scandium Oxide Thin Films and Their Optical Properties in the Extreme Ultraviolet by : Guillermo Antonio Acosta
Download or read book Scandium Oxide Thin Films and Their Optical Properties in the Extreme Ultraviolet written by Guillermo Antonio Acosta and published by . This book was released on 2006 with total page 105 pages. Available in PDF, EPUB and Kindle. Book excerpt: Scandium oxide thin films and their optical properties in the extreme ultraviolet.
Book Synopsis Optical Properties of Thin Solid Films by : O. S. Heavens
Download or read book Optical Properties of Thin Solid Films written by O. S. Heavens and published by Courier Corporation. This book was released on 1991-01-01 with total page 276 pages. Available in PDF, EPUB and Kindle. Book excerpt: Authoritative reference treats the formation, structure, optical properties, and uses of thin solid films, emphasizing causes of their unusual qualities. 162 figures. 19 tables. 1955 edition.
Book Synopsis Spectroscopic Ellipsometry by : Hiroyuki Fujiwara
Download or read book Spectroscopic Ellipsometry written by Hiroyuki Fujiwara and published by John Wiley & Sons. This book was released on 2007-09-27 with total page 388 pages. Available in PDF, EPUB and Kindle. Book excerpt: Ellipsometry is a powerful tool used for the characterization of thin films and multi-layer semiconductor structures. This book deals with fundamental principles and applications of spectroscopic ellipsometry (SE). Beginning with an overview of SE technologies the text moves on to focus on the data analysis of results obtained from SE, Fundamental data analyses, principles and physical backgrounds and the various materials used in different fields from LSI industry to biotechnology are described. The final chapter describes the latest developments of real-time monitoring and process control which have attracted significant attention in various scientific and industrial fields.
Book Synopsis Microstructural and Optical Properties of UV/DUV Fluoride Thin Films Fabricated by Thermal Evaporation with Ion Assisted Deposition Using Sf6 as Working Gas by : Chen Huang-Lu
Download or read book Microstructural and Optical Properties of UV/DUV Fluoride Thin Films Fabricated by Thermal Evaporation with Ion Assisted Deposition Using Sf6 as Working Gas written by Chen Huang-Lu and published by . This book was released on 2009 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Inorganic Ternary Thin Films: Anaysis of Optical Properties by : Cliff Orori Mosiori
Download or read book Inorganic Ternary Thin Films: Anaysis of Optical Properties written by Cliff Orori Mosiori and published by Anchor Academic Publishing (aap_verlag). This book was released on 2015 with total page 225 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thin films can be used to fabricate optoelectronic devices. Technology is currently focusing on ternary thin film composition because of their structure, inter-band transitions and other optical properties that can be maximized. This book discusses in detail the optical characteristics of ternary thin films and further investigates the behavior of Iron Zinc Sulphide, Lead Silver Sulphide, Copper Silver Sulphide, Copper Zinc Sulphide and Cadmium Zinc Sulphide. Thin films are of fundamental importance in modern technology.
Book Synopsis Scandium Oxide Thin Films and Their Optical Properties in the Extreme Ultraviolet by : Guillermo Acosta, 1974-
Download or read book Scandium Oxide Thin Films and Their Optical Properties in the Extreme Ultraviolet written by Guillermo Acosta, 1974- and published by . This book was released on 2007 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt: This study reports on the physical and optical characterization of scandium oxide thin films. Thin films of scandium oxide, 20-40 nm thick, were deposited on silicon wafers, quartz slides, and silicon photodiodes by reactively sputtering scandium in an oxygen environment. These samples were characterized using ellipsometry, high-resolution transmission electron microscopy, scanning transmission electron microscopy, and energy dispersive x-ray analysis. A 28.46 nm thick scandium oxide thin film was measured in the Extreme Ultraviolet (EUV) from 2.7 to 50 nm (459.3 to 24.8 eV) using synchrotron radiation at the Advanced Light Source Beamline 6.3.2 at the Lawrence Berkeley National Laboratory. In these measurements, a new method for data collection was used, in which the reflection and transmission data were collected simultaneously. Analysis of the EUV reflection and transmission data was performed using a front-side reflection, matrix-multiplication technique, which is novel among EUV analytical practice. During data analysis, a new weighting scheme was used, named "adaptive weighting". This analysis provides the first experimentally determined optical constants n and k for scandium oxide thin films from 4.5-30 nm. Also, the positions of the L2 and L3 electronic transitions of scandium oxide have been measured, at 3.069 and 3.101 nm (404.0 and 399.9 eV), respectively, while the measurements near the M transition suggest it to be at approximately 31.5 nm (39.4 eV). Comparing the electronic transition positions of scandium oxide to those of scandium show that the oxidation of scandium shifts the positions to lower energies. For L2 the shift is about 1.8 eV, for L3 the shift is about 1.4 eV, and for M the shift is about 1.9 eV. The binding energies of scandium oxide are greater than those of scandium, as is expected for an oxide compared to its parent metal. This trend in the shift of the transition positions is unexpected, and warrants further investigation.
Book Synopsis The Optical Properties of Platinum and Gold in the Vacuum Ultraviolet by : Roger C. Linton
Download or read book The Optical Properties of Platinum and Gold in the Vacuum Ultraviolet written by Roger C. Linton and published by . This book was released on 1972 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt: The optical constants of platinum and gold thin films have been determined in the spectral region of 40 to 200 nm by reflection measurements. The highly polarized continuum of synchrotron radiation emitted by the 240-MeV electron storage ring at the Physical Sciences Laboratory of the University of Wisconsin was used as a light source for the spectrum below 120 nm, while a windowless discharge lamp coupled to a normal incidence monochromator provided a source for the longer wavelengths. Optical constants were determined by a computer program based on iterative solutions to the Fresnel equations for reflection as a function of the angle of incidence.
Book Synopsis Processability of Polythiophene Thin Films by Ultraviolet Photo Bleaching by :
Download or read book Processability of Polythiophene Thin Films by Ultraviolet Photo Bleaching written by and published by . This book was released on 1992 with total page 53 pages. Available in PDF, EPUB and Kindle. Book excerpt: Materials possessing strong chi(3) optical properties such as Polythiophene are sought for the production of optical switches. Polythiophene thin films produced by plasma enhanced CVD show a surface rms roughness of (0- )5 angstroms over single square micron areas which is acceptable for wave guiding in the near IR. This research investigates permanently changing the optical properties of such a thin film by exposure to UV radiation (254 nm, 35 mW/sqcm), known as photo bleaching, in hope of creating a refractive index boundary for use in total internal reflection. After 60 minutes exposure the refractive index shows a slight increase of 0.9% at 800 nm. The extinction coefficient shows a change of 218% at 500 nm. There is a corresponding increase in absorbance of 160% at 500 nm, but this increase is seen to drop off at 700 nm. The thin films are observed to lose thickness exponentially over time as a result of out-gasing in the film. It is not known if the chi(3) property is affected after the 60 minute UV exposure ... Polythiophene, Photo bleaching, Nonlinear optics, Optical switching.
Book Synopsis Handbook of Optical Properties by : Rolf E. Hummel
Download or read book Handbook of Optical Properties written by Rolf E. Hummel and published by . This book was released on 1995 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Optical Thin Films and Structures by : Tsvetanka Babeva
Download or read book Optical Thin Films and Structures written by Tsvetanka Babeva and published by MDPI. This book was released on 2021-06-22 with total page 128 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is devoted to the design, application and characterization of thin films and structures, with special emphasis on optical applications. It comprises ten papers—five featured and five regular—authored by scientists all over the world. Diverse materials are studied and their possible applications are demonstrated and discussed—transparent conductive coatings and structures from ZnO doped with Al and Ga and Ti-doped SnO2, polymers and nanosized zeolite thin films for optical sensing, TiO2 with linear and nonlinear optical properties, organic diamagnetic materials, broadband optical coatings, CrWN glass molding coatings, and silicon on insulator waveguides.
Book Synopsis Inorganic Ternary Thin films: Anaysis of Optical Properties by : Cliff Orori Mosiori
Download or read book Inorganic Ternary Thin films: Anaysis of Optical Properties written by Cliff Orori Mosiori and published by diplom.de. This book was released on 2015-01-01 with total page 220 pages. Available in PDF, EPUB and Kindle. Book excerpt: Thin films can be used to fabricate optoelectronic devices. Technology is currently focusing on ternary thin film composition because of their structure, inter-band transitions and other optical properties that can be maximized. This book discusses in detail the optical characteristics of ternary thin films and further investigates the behavior of Iron Zinc Sulphide, Lead Silver Sulphide, Copper Silver Sulphide, Copper Zinc Sulphide and Cadmium Zinc Sulphide. Thin films are of fundamental importance in modern technology.
Book Synopsis Optics of Conducting Polymer Thin Films and Nanostructures by : Shangzhi Chen
Download or read book Optics of Conducting Polymer Thin Films and Nanostructures written by Shangzhi Chen and published by Linköping University Electronic Press. This book was released on 2021-02-19 with total page 142 pages. Available in PDF, EPUB and Kindle. Book excerpt: Intrinsically conducting polymers forms a category of doped conjugated polymers that can conduct electricity. Since their discovery in the late 1970s, they have been widely applied in many fields, ranging from optoelectronic devices to biosensors. The most common type of conducting polymers is poly(3,4-ethylenedioxythiophene), or PEDOT. PEDOT has been popularly used as electrodes for solar cells or light-emitting diodes, as channels for organic electrochemical transistors, and as p-type legs for organic thermoelectric generators. Although many studies have been dedicated to PEDOT-based materials, there has been a lack of a unified model to describe their optical properties across different spectral ranges. In addition, the interesting optical properties of PEDOT-based materials, benefiting from its semi-metallic character, have only been rarely studied and utilized, and could potentially enable new applications. Plasmonics is a research field focusing on interactions between light and metals, such as the noble metals (gold and silver). It has enabled various opportunities in fundamental photonics as well as practical applications, varying from biosensors to colour displays. This thesis explores highly conducting polymers as alternatives to noble metals and as a new type of active plasmonic materials. Despite high degrees of microstructural disorder, conducting polymers can possess electrical conductivity approaching that of poor metals, with particularly high conductivity for PEDOT deposited via vapour phase polymerization (VPP). In this thesis, we systematically studied the optical and structural properties of VPP PEDOT thin films and their nanostructures for plasmonics and other optical applications. We employed ultra-wide spectral range ellipsometry to characterize thin VPP PEDOT films and proposed an anisotropic Drude-Lorentz model to describe their optical conductivity, covering the ultraviolet, visible, infrared, and terahertz ranges. Based on this model, PEDOT doped with tosylate (PEDOT:Tos) presented negative real permittivity in the near infrared range. While this indicated optical metallic character, the material also showed comparably large imaginary permittivity and associated losses. To better understand the VPP process, we carefully examined films with a collection of microstructural and spectroscopic characterization methods and found a vertical layer stratification in these polymer films. We unveiled the cause as related to unbalanced transport of polymerization precursors. By selection of suitable counterions, e.g., trifluoromethane sulfonate (OTf), and optimization of reaction conditions, we were able to obtain PEDOT films with electrical conductivity exceeding 5000 S/cm. In the near infrared range from 1 to 5 µm, these PEDOT:OTf films provided a well-defined plasmonic regime, characterized by negative real permittivity and lower magnitude imaginary component. Using a colloidal lithography-based approach, we managed to fabricate nanodisks of PEDOT:OTf and showed that they exhibited clear plasmonic absorption features. The experimental results matched theoretical calculations and numerical simulations. Benefiting from their mixed ionic-electronic conducting characters, such organic plasmonic materials possess redox-tunable properties that make them promising as tuneable optical nanoantennas for spatiotemporally dynamic systems. Finally, we presented a low-cost and efficient method to create structural colour surfaces and images based on UV-treated PEDOT films on metallic mirrors. The concept generates beautiful and vivid colours through-out the visible range utilizing a synergistic effect of simultaneously modulating polymer absorption and film thickness. The simplicity of the device structure, facile fabrication process, and tunability make this proof-of-concept device a potential candidate for future low-cost backlight-free displays and labels.
