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This correspondence introduces a framework to design and analyze low-density parity-check (LDPC) codes over nonuniform channels… Expand In this paper, we discuss fundamental issues underlying holographic data storage: grating formation, recording and readout of… Expand Salinity is a major constraint to irrigated rice production, particularly in semi-arid and arid climates. Irrigated rice is a… Expand Holography is truly the key to three dimensions in particle image velocimetry, i.e. the measurement of all spatial components of… Expand We present an overview of our research effort on volume holographic digital data storage. Innovations, developments, and new… Expand Research into and the development of data storage devices is a race to keep up with the continuing demand for more capacity, more… Expand Photorefractive materials are being widely investigated for applications in holographic data storage. Inhomogeneous illumination… Expand This dissertation describes hierarchical dynamic simplification (HDS), a new approach to the problem of simplifying arbitrary… Expand SEVERAL classes of organic materials (such as photoanisotropic liquid-crystalline polymers1–4 and photorefractive polymers5–7… Expand PHOTOREFRACTIVE materials are of considerable interest for the development of all-optical devices1. The photoref ractive effect… Expand