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Search Results for Collection: School of Electrical, Electronic & Communications Engineering
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(Optical Society of America, 2006-10-10)A generalized model of photo-polymerization in free radical chainforming polymers has been developed. Applying this model to data storage, optimized scheduling algorithms are developed for the multiplexing of multiple ...
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(Optical Society of America, 2009-08-01)Correlation properties of speckle fields at the output of quadratic phase systems with hard square and circular apertures are examined. Using the linear canonical transform and ABCD ray matrix techniques to describe these ...
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(American Institute of Physics, 2009-11)In order to further improve photopolymer materials for applications such as data storage, a deeper understanding of the photochemical mechanisms which are present during the formation of holographic gratings has become ...
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(American Institute of Physics, 2007-07-26)The development of a theoretical model of the processes present during the formation of a holographic grating in photopolymer materials is crucial in enabling further development of holographic applications. To achieve ...
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(Optical Society of America, 2005-09-05)The nonlocal polymerization-driven diffusion model (NPDD) has been shown to predict high spatial frequency cut-off in photopolymers and to accurately predict higher order grating components. We propose an extension ...
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(Society of Photo-Optical Instrumentation Engineers, 2009-09-16)Understanding how photopolymers react to light exposure may fuel developments in holographic data storage.
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(Optical Society of America, 2006-10-01)Photopolymer materials are practical materials for use as holographic recording media, as they are inexpensive and self-processing (dry processed). Understanding the photochemical mechanisms present during recording in ...
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(American Institute of Physics, 2008-09)Holographic data storage requires multiple sequential short exposures. However, the complete exposure schedule may not necessarily occur over a short time interval. Therefore, knowledge of the temporally varying absorptive ...
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(Optical Society of America, 2007-07-01)In the usual model of an imaging system, only the effects of the aperture stop are considered in determining diffraction-limited system performance. In fact, diffraction at other stops—those associated with different lens ...
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(Optical Society of America, 2007-05-20)A generalized non-local polymerization driven diffusion (NPDD) model is presented, including the effects of absorption and inhibition. Experimentally obtained growth curves are fit using a four-harmonic numerical fitting ...