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Unscrambling holograms gains high-res images

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David L. Shenkenberg, [email protected]

There’s a catch-22 to cameras. Either they have high resolution and a narrow field of view, or they have a wide field of view at a loss of resolution. One reason why resolution is poor is that many light rays never make it to the detector because they are too weak or they go off to the side instead of straight through the lens. Some cameras have been rigged to scan very close to objects to capture more of these light rays. Then these images can be pieced together to get a wide field of view. This means putting a camera really close to an object and taking a bunch of pictures. This...Read full article

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