Tellurite is a rare oxide mineral composed of tellurium dioxide te o 2 it occurs as prismatic to acicular transparent yellow to white orthorhombic crystals. Elmallawany, 9781439849835, available at book depository with free delivery worldwide. We report our recent progress on fabricating dehydrated tellurite glass fibers. Tellurite glasses handbook physical properties and data acoustic. From the thermal analysis, it was found that the glass. We supply a list of efl job vacancies the number of road accidents continues to rise in many countries all around the world, and people have different opinions about. The annealing lasted for 2 hours at 350 c and then the sample was slowly cooled to room temperature. Tellurite glasses handbook physical properties and data, second. Xrd, ftir investigations re carried out on all glasses to understand physical we characteristics of the prepared glasses. Influence of barium oxide on glassforming ability and. To obtain quantitative details about the structure of binary tellurite glasses, the thermal properties have been measured.
Research article optical properties of erbium zinc. The purpose of this report is to provide tellurite glass compositionproperty models for t g and specific volume v constructed using data from the literature. Some tellurite glasses with useful acoustooptical properties for modula. Noncrystalline solid tellurite glasses continue to intrigue both academic and industry researchers not only because of their many technical applications, but also because of a fundamental interest in understanding their microscopic mechanisms. Energy upconversion in erbium doped oxyfluoride tellurite. Download it once and read it on your kindle device, pc, phones or tablets. Place three orders at once, and get the fourth one done absolutely free.
The multiphonon decay rates of rare earth ions were smaller in tellurite glasses than in other oxide glasses, mainly because of the lower vibrational frequencies. Molybdenum tellurite glasses have high refractive indices and dielectric constants. It occurs in the oxidation zone of mineral deposits in association with native tellurium, emmonsite and other tellurium minerals. Tellurite glasses, journal of the american ceramic society. The tellurite glass structure is based on its parent crystalline forms. Tellurite glasses abstractsuper ion conducting glasses of composition 55agi22ag. Optical properties of ternary tellurite glasses 179 served and the value of. This document pdf may be used for research, teaching and private study purposes. Materials free fulltext europiumdoped tellurite glasses. The book begins with an overview of tellurite glasses, followed by. The glass transition temperature increased with increasing mgo content. I, sean manning, declare that this thesis titled, a study of tellurite glasses for electro optic optical fibre.
Tellurite host glasses have the most interesting ions to analyse, in terms of its optical properties, lowest phonon energy about 780 cm 1 and they are transparent because of its use in highdensity optical storage, undersea in the visible, near and mid infrared 0. We investigated the suitability of three ternary tellurite glass families for use as optical fibre materials. Pbo is an interesting component in glasses due to its dual role. Technological advances in tellurite glasses properties. Amorphous nature of all the glasses was confirmed using xray diffraction patterns. Low oh content 1 ppm in weight has been achieved in. Glass transition temperature and specific volumecomposition. Optical properties of tellurite glasses embedded with gold. The properties of novel ternary tellurite glasses, based on the teo2baobi2o3 system, are reported for their applications in online chemical sensing and process control by characterizing the. A read is counted each time someone views a publication summary such as the title, abstract, and list of authors, clicks on a figure, or views or downloads the fulltext. Dec 14, 2011 tellurite glasses handbook by raouf a. A series of binary tellurite based glasses bi 2 o 3 x teo 2 100. Physical properties and data, second edition covers the current dominant physical properties of this prototype glass system. Use features like bookmarks, note taking and highlighting while reading technological advances in tellurite glasses.
Indofrench workshop on glasses and glassceramics university of science and technology, lille, france 6. A study of tellurite glasses for electrooptic optical fibre. The xrd and the ftraman studies of the titled glasses revealed the amorphous nature and structural environment respectively. Optical properties of bismuth tellurite based glass. Read tellurite glasses, journal of the american ceramic society on deepdyve, the largest online rental service for scholarly research with thousands of academic publications available at your fingertips. Research article optical properties of erbium zinc tellurite glass system sidekhj.
Properties, processing, and applications springer series in materials science book 254 kindle edition by v. Europiumdoped magnesium tellurite glasses were prepared using melt quenching techniques and attenuated total reflection atr spectroscopy was used to study the glass structure. The book begins with an overview of tellurite glasses, followed by expert chapters on synthesis, properties, and stateoftheart applications ranging from laser glass, optical fibers, and optical communications through color tuning, plasmonics, supercontinuum generation, and. Routledge ebooks are accessible via the free vitalsource bookshelf app for personal. A study of tellurite glasses for electrooptic optical fibre devices. Osa ternary tellurite glasses for the fabrication of.
In this paper, the physical and optical properties of zinc arsenic tellurite glasses based on znf 2 znoas 2 o 3 teo 2 composition are reported. Structural and vibrational investigations of thermal. Thermal and mechanical properties of tellurite glasses for. Compositional trends in the linear and nonlinear refractive indices were. Elmallawany, 9780849303685, available at book depository with free delivery worldwide. Request pdf introduction to tellurite glasses abstract this chapter will introduce tellurite glasses as some smart materials because world has entered the glass age.
A study of tellurite glasses for electrooptic optical. Focusing on thermal, elastic, acoustic, electrical, and optical properties, this second edition incorporates the latest scientific data and uptodate applications of tellurite glass. The book begins with an overview of tellurite glasses, followed by expert. This enhanced network connectivity increases density and tg. Tellurite glasses present interesting physical and optical properties, such as high rates of linear and nonlinear refraction, low melting points, low and medium frequencies of phonons, and. We work in a very competitive market, and we aim to be the best among the writing websites. Pdf rheology of tellurite glasses marcello baricco. This book is the first to provide a comprehensive introduction to the synthesis, optical properties, and photonics applications of tellurite glasses. Optical properties of borotellurite glasses containing metal. One of the commercial applications of tellurite glasses is in the field of optical communication due to their outstanding properties like high refractive index, high optical nonlinearity and good infrared transmittance 15.
The book begins with an overview of tellurite glasses, followed by expert chapters on synthesis, properties, and stateoftheart applications ranging from laser glass, optical fibers, and optical communications through color tuning, plasmonics, supercontinuum generation, and other photonic devices. Singlecomponent and binary nonsilicate oxide glasses, 1985. A study of tellurite glasses for electroopticoptical fibre devices by sean manning supervisors. Dec 01, 20 improving the optical properties of rare earth doped glasses for diverse optical applications is the current challenge in materials science and technology. It has been noted previously1 that the elements which, in the form of their oxides, are generally regarded as excellent glass formers have values of electronegativity on the pauling scale2 of 1. Glass transition, kinetics of crystallization and anomalous. The obtained optical band gap energies are of the order reported in the literature, and the urbach energy values are in the same range as that reported for tellurite glasses.
References this glass material related article is a. All normally quenched lead tellurites were also transparent except for samples with 19 and 21mol% pbo that were semitransparent, but did not contain any parts, which were completely opaque to visible light. This is a useful reference book summarizing all of the published. The effect of erbium trifluoride addition on thermal, structure, and spectroscopic properties of oxyfluoride phospho tellurite precursor glass was studied by differential. For enhancing the optical behaviour of tellurite glasses and their possible use as base materials for photonic devices, other heavy metal oxides, such as pbo and zno, have been incorporated 11, 12. These structural units coexist in tellurite glasses, bringing about anomalous behaviors in various properties. Improving the optical properties of rare earth doped glasses for diverse optical applications is the current challenge in materials science and technology. Physical and optical properties of zinc arsenic tellurite glasses.
The book begins with an overview of tellurite glasses, followed by expert chapters on synthesis, properties, and stateoftheart applications. Contributes to current research into the optical properties of oxidefluoro tellurite glasses. Materials free fulltext spectroscopic properties of. Tellurite glasses system is an important amorphous system that possess interesting glassforming ability, glass structure, no hygroscopic properties and low melting point 14 large thermal expansion 5 high refractive indices, high dielectric constants and good ir transmissions, thus they have been considered as promising materials for use. Pdf optical properties of zinc lead tellurite glasses. New topics in the second edition nanocomposites three. Structureproperty correlations in borate, silicate and tellurite glasses atul khanna department of physics guru nanak dev university amritsar143005, punjab, india email. Introduction to tellurite glasses request pdf researchgate. The erf3doped oxyfluoride phospho tellurite glasses in the 40x teo210p2o545 baf2znf2 5na2oxerf3 system where x 0. Preparation and characterization of lead and zinc tellurite. Pdf this book is the first to provide a comprehensive introduction to the synthesis, optical properties, and photonics applications of tellurite. In addition, based on the ftir results, the teo 2 is the glass former while bi 2 o 3 is the glass modifier in bismuth tellurite glass systems, and the wave number shifts to a low frequency when the bismuth content. Detailed thermal analysis was conducted to provide justification for the observed billet scaling results.
Jun 11, 2014 a germanatetellurite glass geo2teo2k2onb2o5la2o3 with thulium doping has been investigated for application as a laser material around 2. Tellurite glass smart materials applications in optics and. Pdf structural studies of lithium boro tellurite glasses. Additional chapters address the properties and uses of tellurite glasses in optical sensing, the significance of near infrared nir emissions, solar cells, solar energy harvesting, luminescent displays, and the development of bioactivebased tellurite lanthanide teln doped hydroxyapatite composites for biomedical applications. Structural, optical, dielectric and thermal properties of.
In the present work, multicomponent tellurite glasses were elaborated by the melt quench technique with different concentrations of er 3. Elmallawany, 2 sitishawalizabadaron, 1 halimahmohamedkamari, 1 andkhamirulaminmatori 1 glass, ceramic and composite research group, department of. Physical properties and data, second edition covers the current dominant. Physical and optical properties of zinc arsenic tellurite. However, the comparisons of moo 3teo 2 raman band intensities with those for sio 2 or for other compositions of tellurite glass are absent in this work.
The thermal properties linear thermal expansion coefficient. Technically, tellurite glasses can be regarded as a highindex, highly nonlinear version of fluoride glasses. Technological advances in tellurite glasses springerlink. Tellurite glasses contain tellurium oxide teo 2 as the main component.
The glasses used in measurements are with a mol% composition of 70teo29pbf2190alf310baf21er2o3. The produced glasses were cut and polished, reaching thicknesses between 0. A number of investigations on the glass formation and structural analysis of binary and tellurite glasses. Conclusion shortrange structure, density, thermal, optical and dielectric properties of molybdenum tellurite glasses containing 20 to 50 mol% moo3 were studied. In other words, the oh impurity in a usable tellurite glass fiber should be no more than the level of 1 ppm in weight. Splatquenched lead and zinc tellurite glasses were transparent and brownishyellow in color.
Sayyed department of physics, faculty of science, university of tabuk, tabuk, ksa abstract in the present paper, the basic radiation parameters of tellurite glasses. Tellurite glasses have a wide range of applications. In the present study, zinc molybdenum tellurite glasses with the molar composition of 1. Request pdf introduction to tellurite glasses abstract this chapter will introduce tellurite glasses as some smart materials because world has entered the. Offers perspectives on likely future trends and challenges for tellurite glasses in the field of photonics and nanophotonics. Physical properties and data is the first and only comprehensive source of physical constants and properties of these unique. Addresses the knowledge gap in tellurite glasses among physicists, chemists, and materials scientists. Systematically varied compositions were produced and the scalability of the glass volumes was assessed. We show that the variation of the structural unit in tellurite glasses is due to the charge transfer from modifier atoms to teo6 octahedra with use of firstprinciples molecularorbital calculations. First, their viscosity curves in the range of the fiber drawing temperatures are both relatively steep. Tellurite glass smart materials applications in optics. Structural, thermal, linear and nonlinear opti cal spectroscopy of zinc tellurite glasses 71 3.
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