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ECE 299 Holography and Coherent Imaging
Lecture 2 Reconstructed wavefronts and communications theory David J. Brady Duke University Lecture 2. Leith Upatnieks Holography
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Outline Holographic processes 4F systems Off axis holography
Simulation of off axis holography Coding and holography Lecture 2. Leith Upatnieks Holography
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The Holographic Process
Defocusing or spatial frequency dispersion of the image Hologram recording Reconstruction Lecture 2. Leith Upatnieks Holography
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Dispersion Process Lecture 2. Leith Upatnieks Holography
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Dispersion Process Lecture 2. Leith Upatnieks Holography
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Dispersion Process Lecture 2. Leith Upatnieks Holography
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2. Recording the Hologram
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3. Reconstruction Lecture 2. Leith Upatnieks Holography
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4F systems Lecture 2. Leith Upatnieks Holography
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Off axis holography Lecture 2. Leith Upatnieks Holography
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Spatial spectrum of off axis hologram
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Reconstruction of off axis hologram
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Experiment Lecture 2. Leith Upatnieks Holography
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Modern Off Axis Holography
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Reconstruction Lecture 2. Leith Upatnieks Holography
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Off axis hologram simulations
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Diffracted Field www.disp.duke.edu/~dbrady/courses/holography
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Hologram www.disp.duke.edu/~dbrady/courses/holography
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Reconstruction refAngle=Pi/20 Prop distance=7 mm
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Prop 5 mm www.disp.duke.edu/~dbrady/courses/holography
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Prop 1 mm www.disp.duke.edu/~dbrady/courses/holography
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Prop -5 mm www.disp.duke.edu/~dbrady/courses/holography
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Prop -7 mm www.disp.duke.edu/~dbrady/courses/holography
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Coding in off axis holograms
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Coding in off axis holograms
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Psuedo-random coding holography
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Reconstruction from pseudo-random reference
Lecture 2. Leith Upatnieks Holography
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