Tellurite glasses pdf file

Preparation and characterization of lead and zinc tellurite. Such stresses cause the glass, when broken, to crumble into small granular chunks instead of splintering into jagged shards as plate glass a. Raouf elmallawany, minufiya university, egypt for the international materials institute for new functionality in glass at lehigh university, bethlehem, pa, dec. In this work, we demonstrate a magnetically sensitive optical fiber by doping nanodiamonds containing nitrogen vacancy centers into tellurite glass fibers. Acoustic relaxation properties of tellurite glasses. A selection of geasse chalcogenides is investigated to determine whether they have potential as transparent glasses for thz applications. Results and discussion heesoo kim1, sunghu kim1, sungbin cho2, sanghee park2, jooyoulhuh1, 1 department of materials science and engineering, korea university, seoul 02841, republic of korea 2 em development group, samsung sdi, suwon 16678, republic of korea role of lead free tellurite glass frit in screen printed silver contact fromation for high efficiency silicon. Erbiumdoped tellurite glasses with high quantum efficiency and broadband stimulated emission cross section at 1. Tellurite glass te glass, with ultrafast response, large nonlinear refractive index, and wide range of transmittance spectra, will be very attractive in the application of the okg technique in the future. Pdf the structural properties of some tellurite glasses were investigated by ftir spectroscopy, density measurements, and quantum chemical.

The radiation shielding performance of tellurite tungsten glasses with different antimony oxide sb 2 o 3 content was studied using monte carlo simulation mcnpx and winxcom software. The optical band gap, eopt values for bismuthborotellurite glasses are between 2. Laser emission of a nddoped mixed tellurite and zinc. Osa diamagnetic tellurite glass and fiber based magneto. In this paper, the ultrafast optical kerr effect of te glass and bismuth glass bi glass were investigated using. The mass attenuation coefficients of erbium zinc tellurite glass system xer2o3. The longitudinal ultrasonic attenuation in ternary 80 teo2 20x wo3 x k2o tellurite glass systems has been measured 12 using pulse echo technique at. Juddofelt model is applied to er absorption spectra. Green emission of tellurite based glass containing erbium. 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. Universal curve of ionic conductivities in binary alkali tellurite glasses marcio luis ferreira nascimento department of materials engineering, federal university of s.

Furthermore, tellurite glass is compatible with the extrusion technique for producing optical fibre preforms, this being a fabrication strength of our research group. Download it once and read it on your kindle device, pc, phones or tablets. Mixed alkalineearth effect maee on the transition metal oxides tmo tellurite glasses tmo moo 3, nb 2 o 5 and wo 3 modified with baomgo mix is analyzed to understand how feasible it is to tune structural and optical properties of a tellurite glass. Determination of ultrasonic velocities theoretically for tellurite glasses using makishima and mackenzie model m. Optical properties of tellurite glasses lehigh university. The structural and optical properties of the glass sample were characterized by using xrd, ftir, uvvis absorption, and pl spectroscopy. Focusing on thermal, elastic, acoustic, electrical, and optical properties, this second edition incorporates the latest scientific data and uptodate applications of tellurite glass. Radiation shielding study of tellurite tungsten glasses. Thermal and optical studies of rare earth doped tungston. These results were obtained by modeling combined data sets from xray and neutron diffraction and nmr. Structure of tellurite glasseseffects of k 2oorp 2o 5 additions studied by diffraction uhoppe1,igugov 2,3,hburger. Preparation and characterization of borotellurite glasses nirmal kaur, atul khanna, and p. Tellurite glasses for optical fibre fabrication tellurite glasses for optical fibre fabrication reben, manuela.

The tellurite glass matrix was modified using oxides of p, na and zn elements of which te and na ions play an important role to form waveguides upon laser irradiation. The thermal properties linear thermal expansion coefficient. Tellurite glasses handbook routledge handbooks online. As tellurite glasses are known to have good transparency in the nir region, telluritebased glasses are the material of choice for this study due to their high linear and nonlinear refractive index, their low glass transition temperature and the ability to form them into optical fiber. Gamma shielding properties of erbium zinc tellurite glass. Telluritebased oxide glasses have been investigated as promising materials for raman gain applications, due to their good linear and nonlinear optical properties and their wide transparency windows in the near and midwave infrared spectral region. Pdf the dielectricproperties of tellurite glass researchgate. The density and refractive index of glass samples were increased with an increasing of pr 2 o 3 concentration. Tilanka munasinghe, anja wintersteinbeckmann, christian schiele, danilo manzani, lothar wondraczek, shahraam afshar v. Efficient optical kerr gate of tellurite glass for. Changes induced by the three transition metal oxides on the tellurite polyhedral produce some modifications on the cutoff wavelength.

Effect of pbo on optical properties of tellurite glass sciencedirect. Thermal stability and glass formation ability was monitored using differential scanning calorimetry through the calculation of temperature difference. Tempering puts the outer surfaces into compression and the interior into tension. In this work, structure and crystallization kinetics of lithium tellurite glasses were investigated. Properties, processing, and applications springer series in materials science book 254 kindle edition by rivera, v.

Pdf optical properties of zinc lead tellurite glasses. Senior lecturer, department of physics, faculty of science, universiti teknologi malaysia, 810 utm johor bahru, johor. This wikihow teaches you how to scan a paper document into your computer and save it as a pdf file on a windows or mac computer. The 17 8 symbols indicate tellurium with 9 bound oxygen. Universal curve of ionic conductivities in binary alkali. Scan a paper document to pdf you can create a pdf file directly from a paper document, using your scanner and acrobat. Osa role of ion migrations in ultrafast laser written. The effect of lanthanum oxide content on tendency to the crystallization of glassy matrix has been studied. 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. Effect of the heat treatment was investigated on the based glasses. Linear optical properties of zinc borotellurite glass doped. Erbiumdoped tellurite glasses with high quantum efficiency. It opens to the world of amorphous materials, beginning from glass transition, which is one of the mysteries regarding glasses yet to be solved.

The composition dependence was discussed in terms of zno modifiers that were expected to change the thermal properties of tellurite glasses. Tellurite based glasses have been the subject of both academic and technological interest due to the unique properties 111. An analysis of the distribution of the magnetic field flux inside the conductor was performed. Diamagnetic teo2znona2o glasses and fibers were fabricated and characterized for magnetooptical currentsensor applications. All the thermal properties of such binary tellurite glasses were measured as a function of zno composition. It is only resent, that soft glass materials have come into focus for thz applications, thus these materials remain relatively unknown. Surface properties of tellurite and fluorotellurite glasses.

To obtain quantitative details about the structure of binary tellurite glasses, the thermal properties have been measured. Test samples of ternary glass tellurite teo 2 65 b 2 o 3 35 y ag 2 o y with y 10, 15, 20, 25, 30 mol % have been fabricated and their physical and optical properties were investigated. Request pdf optical properties of bi2o3 doped boro tellurite glasses and glass ceramics a series of glass samples based on the concentration of bismuth oxide with the following compositions. Highlights tellurite glasses were prepared by conventional meltquenching method. Washington luiz, km 235, sao carlos 565905, brazil. Mar 31, 2017 an introduction to tellurite glasses, five lecture series presented by prof. References this glass material related article is a stub. Ptcal august 1994 optical materials 3 1994 18703 tellurite glass. Tellurite glasses have a wide range of applications. This particular glass matrix can be used in telecommunication devices, laser fiber, edfa and photonics application. Lead oxide, pbo was added into the glass as modifier in order to form more stable glass, larger linear and nonlinear refractive indexes due to its massive mass, low field strength and high polarizability. Distributions of tellurite polyhedral types as a function of sodium oxide, for sodium tellurite glasses. The mass attenuation coefficients were computed for photon energies of 0.

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. Tellurium was observed to migrate causing a positive index change zone whereas. Tellurite glasses contain tellurium oxide teo 2 as the main component. Pdf the structural properties of some tellurite glasses were investigated by ft ir spectroscopy, density measurements, and quantum chemical. Recently, application of tellurite glasses has been achieved, especially in blue converted wleds, self cleanliness, and pbteo glasses affected silicon solar. This may lead to the formation of new structural units 4. New topics in the second edition nanocomposites three. Systematically varied compositions were produced and the scalability of the glass volumes was assessed. Scan a paper document to pdf and use acrobat to turn it into a smart, searchable pdf with selectable text. Tempered or toughened glass is a type of safety glass processed by controlled thermal or chemical treatments to increase its strength compared with normal glass.

Snitzer rutgers university, fiber optics materials research program, piscataway, nj 08855, usa abstract the physical properties of r20znote02 glasses have been studied for their feasibility for fiber drawing and rare earth dop ing. The spectroscopic data are analyzed within the framework of the juddofelt formalism and the results are used in conjunction with fluorescence lifetime and emission measurements to derive values for the quantum efficiency and the stimulated emission cross section of. Tellurite glasses with peak absolute raman gain coefficients up to 30 times that of fused silica robert stegeman, ladislav jankovic, hongki kim, clara rivero, george stegeman, kathleen richardson, peter delfyett, yu guo, alfons schulte, and thierry cardinal. Erbium doped zinc boro tellurite glass system ezbt have been prepared by conventional melt quenching technique with molar composition of 55xteo2 20zno. Splatquenched lead and zinc tellurite glasses were transparent and brownishyellow in color. The fabrication process provides a robust and isolated sensing platform as the magnetic sensors are fixed in the tellurite glass matrix. Optical properties of bismuth tellurite based glass. A range of tungsten tellurite glasses containing calcium was prepared and the densities, optical absorption edges and infrared optical.

Pdf thermal properties of multicomponent tellurite glass. Osa ternary tellurite glasses for the fabrication of. We investigated the suitability of three ternary tellurite glass families for use as optical fibre materials. Shigueo watanabe ionic crystals, thin films and dating laboratory, institute of physics. Generally, the stiffness decreases with temperature. Using a traditional tapered microfibermicrosphere coupling method, multimode and singlemode lasing around the wavelength of 1. Detailed thermal analysis was conducted to provide justification for the observed billet scaling results. Refractive index of the glasses was measured using brewsters angle method and their optical absorption spectra were measured in spectral. Thermooptical properties of tellurite glasses doped. Elaboration and optimization of telluritebased materials. Fluoride and tellurite glasses for thinfilm ir viewers. Tellurite based glass containing erbium oxide nps with the composition of teo 2 0.

Optical properties of bi2o3 doped boro tellurite glasses. Sep 21, 2014 fluoride and tellurite glasses for thinfilm ir viewers. Thermal properties of multicomponent tellurite glass article pdf available in journal of materials science 4315. Tellurite glasses, journal of the american ceramic society. Tellurite glasses became potentially important for the manufacture of optical amplifiers with high bandwidth for optical communications in the region of infrared spectrum. All measurements were taken at 10 mhz frequency and at room temperature. Concentration quenching effect in rareearth doped glasses. The refractive index for a family of optical glasses tellurite containing halide has been analyzed. The density and molar volume of all glass samples were determined. Tellurite glasses continue to intrigue both academic and industry researchers not only because of their technical applications,but also owing to a. This is a pdf file of an unedited manuscript that has been acce pted for publication.

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. Effect of heat treatment on the structural and optical. Determination of ultrasonic velocities theoretically for. Osa tellurite glasses with peak absolute raman gain. Pdf specific heat capacity of semiconducting glasses. Structural and vibrational investigations of thermal. Tellurite glasses handbook physical properties and data acoustic. This paper presents the optical properties of erbium doped tellurite glasses with the composition of 55teo 22bi 2 o 335zno5pbo3xna 2 oxer 2 o 3 where x 0, 0. Physical properties and data, second edition covers the current dominant physical properties of this prototype glass system. We developed tellurite glasses based on the general formula 10na2o. Elastic modulus of a range of glass compositions as a function of temperature elastic modulus is the stiffness of the glass, an important engineering property.

Pdf this book is the first to provide a comprehensive introduction to the synthesis, optical properties, and photonics applications of tellurite. The surface properties of some freshly cleaved, or polished, quaternary tellurite glasses teo 2znona 2 oyb 2 o 3 and teo 2znona 2 ogeo 2 and a proposed ternary fluorotellurite coreclad optical fiber pair teo 2n a 2 oznf 2 were investigated by means of xray photoelectron spectroscopy and chemical durability. Structure and optical properties of rare earthdoped zinc. A w ideanglexraydiffraction study of alkali tellurite.

We report on a strong cross migration of ions in a tellurite te based glass to form waveguides using a high repetition rate femtosecond laser. Pl spectra and pl lifetime were recorded for all the samples at 1. Tellurium oxide teo2 plays bonding role in the structure of tellurite glasses. Pdf optical properties of ternary tellurite glasses. The xray diffraction pattern was determined by using siemens diffractometer d5000 while the optical properties were measured using shimadzu 3101 pc uvvis nir scanning spectrophotometer. The improvement in the luminescence intensity of the rare earth doped glasses is a challenging issue. Introduction to tellurium oxide glasses this chapter is an introduction to glasses focusing on tellurium oxide tellurite glasses for nonlinear photonic applications. This document pdf may be used for research, teaching and private study purposes.

Pdf preparation and characterization of borotellurite glasses. Zinc tellurite glasses appear to be excellent candidates for hosting rare earth ions since they provide a low phonon energy environment to minimize nonradiative losses as well as possess good chemical durability and optical properties. The optical behavior of the rare earth ion can be manipulated by modifying its local environment in the glass host. Optical properties of erbium doped tellurite glasses. Pdf structural and electronic properties of tellurite glasses. Pdf lanthanidedoped tellurite glasses for solar energy. The glasses are prepared by conventional meltquenching technique and thermal processing to reduce the silver ions and nucleate metallic particles. The dc conductivity of semiconducting vanadium tellurite glasses of compositions in the range 50 to 80 mol% v2o5 has been measured in the temperature region 77 to 400 k.

The pdf file you selected should load here if your web browser has a pdf reader plugin installed for example, a recent version of adobe acrobat reader if you would like more information about how to print, save, and work with pdfs, highwire press provides a helpful frequently asked questions about pdfs. This study aimed to determine the gamma shielding parameters of an erbium zinc tellurite glass system. Effect of zno on the thermal properties of tellurite glass. Hardware and developed software were constructed for the acquisition of weak output signals induced. Optical properties of borotellurite glasses containing metal. If you already have a scanned image of your document, you can convert it to a. Compositional trends in the linear and nonlinear refractive indices were. Ion pair and clustering are included in the model to explain the quenching effect occurring in highly doped glasses. Index termstellurite glasses, thermal stability, optical band gap, non bridging oxygen. Some studies of the optical properties of tungstencalciumtellurite.

Pdf quaternary tellurite glass systems of the form 80teo25tio215. 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 produced glasses were cut and polished, reaching thicknesses between 0. Silicate glasses are an exception elastic constants for glasses and glass ceramics code type e gpa g gpa 9606 glass ceramic 17. Structure of tellurite glasses effects of k 2 p o additions. Tellurite glasses combine the attributes of reasonable thermal stability, high refractive index, high solubility of rare earth re ions, larger absorption and emission crosssections, and low phonon energy compared to the silicate, phosphate, and borate glasses 1, 2, with a wide transmission window in the infrared region 2. Semiquantitative chemical analysis of the xray photoelectron spectroscopy spectra of cleaved tungsten tellurite and fluorotellurite glasses showed good agreement with the batched at. A series of binary tellurite based glasses bi 2 o 3 x teo 2 100. Two prototypes based on the obtained glass and fibers were constructed. Understanding how the mixed alkalineearth effect tunes. Jun 11, 2014 a germanatetellurite glass geo2teo2k2onb2o5la2o3 with thulium doping has been investigated for application as a laser material around 2. On windows, acrobat supports twain scanner drivers and windows image. A study of tellurite glasses for electroopticoptical fibre devices by sean manning supervisors.