单词	holography
释义	holography /hɒˈlɒɡrəfi / noun [mass noun] The study or production of holograms.In classical holography, a laser beam reflected off an object interferes with a reference beam, and the interference pattern is recorded on a photographic plate.... We'll cover the fundamentals needed to understand basic optical concepts such as radiometry, polarization, diffraction, and holography, including some examples of how these concepts are used in various applications. Engineers used laser holography to take an image of vibrations created by the minivan's body.
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