Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
Results
Showing 1 to 17 of 17 for “"Optical data storage"”.
-
Optical engineering of parallel optical data storage
Volume holographic data storage uses the superposition of image holograms in a suitable medium to pursue large storage capacity and high readout rates. The holographic method of structuring the medium with data, and subsequent readout of those data structures, relies on an optical system with two …
-
Laser assisted nano-optics processing in optical data storage
Optical lithography techniques have many advantages over other lithography methods although its resolution is limited by optical diffraction. Two optical lithography techniques, microlens array laser patterning and near-field scanning optical lithography, are presented to show their capabilities in …
-
Design of Multilayer Optical Media: Organic Photovoltaics and Optical Data Storage
The optical properties of one-dimensional layered materials provides a wealth of interesting phenomena. Fine control of the optical properties of the constituent materials and the thicknesses of each layer allows for sophisticated design of useful optical devices. Optical devices based on …
-
A spectroscopic study of Nd3+ and Pr3+ doped fluorozirconate glass
… consideration given to applications in medicine, optical data storage and printing, communications and research.
-
Phase and Polarization Modulations based on LCOS SLM
… in glass has made it possible to store data in fused silica. The technology of 5D optical data storage in transparent materials paves a promising way to almost unlimited lifetime data storage for future cloud. The phase-only SLM has already shown its potential for this application in …
-
Controlling Self -Assembly of Anisotropic, Rod-Like Polypeptides on Solid Surfaces
… to applications in piezoelectric devices, optical data storage, biological mimicry, and nonlinear optics. Our work has centered on (1) novel syntheses and characterization of polypeptides that can spontaneously assemble onto model surfaces, (2) molecular design of hinged polypeptides that …
-
Investigating New Guaiazulenes and Diketopyrropyrroles for Photonic Applications
… order to understand their charge transport and optical properties for use in organic electronic devices, fluorescence bioimaging, sensors, and 3D optical data storage (ODS), among others. As a result, several molecular building blocks have been designed, allowing new frontiers to be realized. …
-
Probing ultra-subwavelength inhomogeneities embedded within dielectric targets using photonic nanojets
… spectroscopy, nanotechnology, microscopy, and optical data storage discs. Conventional objective lens based optical systems have a fundamental limit on the best possible resolution of about 200 \u03b7m due to the diffraction of light as it propagates into the far-field. There already exist …
-
Molecular Structure-nonlinear Optical Property Relationships For A Series Of Polymethine And Squaraine Molecules
… imaging, three-dimensional microfabrication, optical data storage and optical limiting, have motivated researchers to find novel materials exhibiting strong 2PA. Organic materials are promising candidates because their linear and nonlinear optical properties can be optimized for applications …
-
Numerical Study of Plasmon Resonances in Nanoparticles
… nano-lithography, biosensor, metamaterial and optical data storage. Consequently, the understanding of plasmon resonances in nanoparticles has both fundamental and practical significance. In this dissertation, a new numerical technique to fully characterize the plasmon resonances in …
-
Environmentally focused patterning and processing of polymer thin films by initiated chemical vapor deposition (iCVD) and oxidative chemical vapor deposition (oCVD)
… templates to create bifunctional patterns for optical data storage applications. Finally, UV and e-beam lithography were used to pattern covalently tethered vinyl monolayers for resist-free patterning of iCVD and oCVD polymers, using environmentally innocuous solvents.
-
Slow and fast light by spectral hole-burning in the solid state
… years because of potential applications in optical data storage, optical switching, quantum data processing and pulse regeneration. Slow and fast light can be achieved in materials that have very large normal or anomalous dispersion. In this thesis, methods that can be used to generate …
-
modeling and application of nonlinear metasurface
… low-profile lens, filter, reflector or other optical devices. Nonlinear metasurfaces‒combine the properties of natural nonlinear medium with novel features such as negative refractive index, magneto-electric coupling‒provide novel nonlinear features not available in nature. Compared to …
-
Sustainable Development of New Phosphors for Photonics Applications
… use in diverse application such as in sensor, storage, and lighting devices has become the central attraction of research in recent years. Different materials have characteristics that enable the achievement of this. As already established by previous studies, the method of synthesis affects …
-
Molecular Engineering of Dipolar and Octupolar Non-Linear Optical Materials for Next-Generation Telecommunications
In an age where next-generation all-optical circuitry and optical data storage are at the forefront of the telecommunications industry, the molecular engineering and design of new organic materials continues apace. Such materials are particularly attractive on account of their fast optical response …
-
From Quantum Mechanical Restrictions to Everyday Applications: Programmable Tags using Organic Phosphorescence
… includes proposed applications like sensing and optical data storage. Beyond that, a newly detected photophysical effect is introduced and evaluated, which enables the reversible activation of phosphorescence in a thin and transparent film. Since for many emitter materials the presence of …
-
Azobenzene-functionalized molecular glasses for holographic applications
Holography is an optical imaging technique, with which an authentic copy of the original object can be created, even in the absence of the object itself. This means, that in contrast to conventional photography, the information of depth is not lost. Holography is based on writing an interference …