Holography

Holography Holography Method of obtaining three-dimensional photographic images. These images are obtained without a lens, so the method is also called lensless photography. The records are called manuscripts derived from Greek holos, meaning ? constituent(a)? and gram, meaning ?message?. The theoretical principles of holography were developed by the British physicist Dennis Gabor in 1947. The first actual production of holographs took place in the early 1960s, when the laser became available. By the late 1980s, the production of true-color holograms was possible, as well as holograms ranging from the microwave to the X-ray region of the spectrum. supersonic holograms were also being made, using sound waves. Production, A hologram differs essentially from an ordinary photograph in that it records not alone the intensity distribution of reflected light but also the design distribution. That is, the film distinguishes between waves that reach the light-sensitive surface prank spell t...If you want to get a full essay, point it on our website: OrderEssay.net

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