The chalcogenide glasses have become a matter of great concern in recent years because of their potential use as switching and memory devices this thesis consists of six sections the first section gives the basic research background on the ionic conduction mechanism in glass, polarization in the glass, and the method of determining the. University of central florida electronic theses and dissertations masters thesis (open access) a study of crystallization behavior in phase separated chalcogenide glasses. His research interests and expertise include near & mid-infrared photonics, chalcogenide glasses, bio-photonics, nano-fabrication and nonlinear optics he is going to apply his multidisciplinary expertise for advanced bio-sensing, medical imaging and spectroscopic diagnosis. We select a chalcogenide core glass, asse, and cladding glass, geasse, for their disparate refractive indices yet sufficient thermal-compatibility for fabricating step index fiber (sif) for mid-infrared supercontinuum generation (mir-scg) the refractive index dispersion of both bulk glasses is measured over the 04 µm–33 µm wavelength-range, probing the electronic and vibrational behavior. Chalcogenide glasses- an introduction to properties of amorphous semiconductors this thesis reports electrical, thermal and optical investigations on thallium an introduction to properties of chalcogenide glasses 9 properties is discussed in topological threshold model which is a further extension of.
A thesis entitled metal-modified ge-se glass films and their potential for nanodipole junctionless photovoltaics by sakina junaghadwala submitted to the graduate faculty as partial fulfillment of the. Phd thesis: “structural characterization of germanium-arsenic-sulfur chalcogenide glasses and understanding structural relaxation in oxide glasses” current position: professor of chemical engineering, boğaziçi university, istanbul, turkey. Second harmonic generation (shg) has been obtained in a sample of ga5ge20sb10s65 glass submitted to a thermal poling treatment an original characterization method is used for the determination of the induced second-order nonlinear profile a reproducible χ(2) susceptibility of 44±04 pm/volt was achieved for specific poling conditions.
Thermal transport, photoconduction and electrical switching inselected chalcogenide glasses exhibiting carriertype reversal thesis submitted to cochin university of science and technology. Glasses for lithography and lithography for glasses department of general and inorganic chemistry chalcogenide glasses - nonoxide glasses o replaced by s, se or te m vlcek phd thesis 36 aqueous base positive etching organic amine base negative etching. Solid state chemistry mse 110 (spring 2018) mse 110 (fall 2017) mse 110 (spring 2017) mse 110 (fall 2016) adv char meth in mse mse 480 (spring 2018. This thesis in any manner, in whole or in part, for scholarly purposes may be granted by the professor or professors who supervised my thesis work or, in their absence, by the head of the department or the dean of the college in which my thesis work was done.
Design and fabrication of resonant nanoantennas on chalcogenide glasses for nonlinear photonic applications, ms thesis, august 2013 özlem köylü polymer/glass hollow-core photonic band gap fibers for infrared laser beam delivery, ms thesis, april 2011. This thesis entitled theoretical studies of structure and dynamics of chalcogenide glasses by fakharul inam has been approved for the department of department of physics & astronomy. The objective of this thesis is to determine, through simulation and experimentation, if a large kerr nonlinear response can be achieved by designing a gold strip surface plasmon waveguide with a suitable chalcogenide glass as the. Ii this thesis entitled: ge-sb-se chalcogenide glass for near- and mid-infrared nonlinear photonics written by molly rebecca krogstad has been approved for the department of physics.
A review of some properties of chalcogenide glasses and the current status of their applications is given techniques to characterize the linear and non-linear properties of these glasses are introduced and used to measure the optical constants of chalcogenide glasses in the form of bulk, thin film and fiber. Thesis (ph d)--massachusetts institute of technology, dept of materials science and engineering, 2009 search within this collection advanced search dspace @ mit planar chalcogenide glass materials and devices research and teaching output of the mit community. I certify that i have read this thesis and that in my opinion it is fully adequate, in scope and in quality, as a thesis of the degree of doctor of philosophy 21 chalcogenide glasses. In this paper, we report results of n 2 measurements of new chalcogenide glasses in the ge–sb–s–se system using a modified z-scan technique n 2 is found to increase with an increase of normalized photon energy, regardless of chalcogen type, but does not depend on the concentration of lone pair electron.
In this thesis, electron beam induced deformations are explored as a way of fabricating optical waveguides in ge 02 se 08 chalcogenide glasses because this is an etchless technique that potentially allows writing waveguides whose surface roughness is. In this thesis, the ultrafast direct laser writing (dlw) technique is applied to several materials, including fused silica, lithium tantalate ( ), sapphire ( ), and gallium lanthanum sulfide (gls) chalcogenide glass to produce 3d photonic circuits.
Thesis on glasses the title of his thesis is molecular structure and intermediate phases in group v binary chalcogenide glasses glass forming regions a in the ag s ges ges system optical engineering spie digital library. His thesis was dedicated to the development of high-performance silicate and chalcogenide glasses by means of atomic-scale simulations selected honors and awards 2014: future leader nomination (the american ceramic society. Photoinduced volume change in chalcogenide glasses phd dissertation roz´alia luk´acs supervisor: dr s´andor kugler ing property of chalcogenide glasses is their sensitiveness to light illumination model will be presented in chapter four of this thesis the chalcogenide glasses don’t have electron spin resonance (esr) sig-nal in. Preparation and characterization of b2s3-based chalcogenide glasses jaephil cho cho, jaephil, preparation and characterization of b2s3-based chalcogenide glasses (1995)retrospective theses and dissertations 10890 glasses formed from melts containing the salts lijs and lil, and glass formers.