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hologram    音标拼音: [h'ɑləgr,æm]
n. 立体照相

立体照相

hologram
全息照相

hologram
全像

hologram
n 1: the intermediate photograph (or photographic record) that
contains information for reproducing a three-dimensional
image by holography [synonym: {hologram}, {holograph}]

hologram \hol"o*gram\, n.
A photographic image giving the observer a seemingly
three-dimensional view of the represented object. The
three-dimensional effect is produced by exposing a
photographic recording medium to an interference pattern
generated by a coherent beam of light (as from a laser)
reflected from the subject, interacting with a beam directly
from the source. The full three-dimensional effect requires
illumination of the image with coherent light, but less
perfect three-dimensional visual effects may also be observed
when the hologram is illuminated with white light.
[PJC]


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  • Holography - Wikipedia
    A hologram represents a recording of information regarding the light that came from the original scene as scattered in a range of directions rather than from only one direction, as in a photograph This allows the scene to be viewed from a range of different angles, as if it were still present
  • How Holograms Work | HowStuffWorks
    In a hologram, the two intersecting light wave fronts form a pattern of hyperboloids — three-dimensional shapes that look like hyperbolas rotated around one or more focal points
  • HOLOGRAM Definition Meaning - Merriam-Webster
    A hologram is a picture of a "whole" object, showing it in three dimensions We've all seen cheap hologram images on credit cards and ID cards (where they help prevent copying)
  • Holography | Optics, 3D Imaging Laser Technology | Britannica
    Holography, means of creating a unique photographic image without the use of a lens The photographic recording of the image is called a hologram, which appears to be an unrecognizable pattern of stripes and whorls but which—when illuminated by coherent light, as by a laser beam—organizes the light
  • What Is Hologram Technology and How Does Hologram Work?
    A hologram is a three-dimensional (3D) projection that appears to exist in physical space without requiring special glasses or screens It’s created using light diffraction to display a fully dimensional image that can be viewed from multiple angles
  • Hologram Technology: Understanding How it Works in 2024
    Holograms provide a realistic visual experience that captures three-dimensional images without the need for special tools, like 3D glasses This effect is created through holography, an imaging process in which lasers are used to capture and replicate objects into detailed 3D pictures
  • What is a Hologram? – Holocenter
    A hologram is a physical structure that diffracts light into an image The term ‘hologram’ can refer to both the encoded material and the resulting image A holographic image can be seen by looking into an illuminated holographic print or by shining a laser through a hologram and projecting the image onto a screen
  • How to Project a Hologram: Methods From Easy to Advanced
    From smartphone pyramids to laser holography, here’s a practical look at how different hologram projection methods work and which suits your needs
  • Holography – University Physics Volume 3
    The name hologram means “entire picture” (from the Greek holo, as in holistic) because the image is three-dimensional Holography is the process of producing holograms and, although they are recorded on photographic film, the process is quite different from normal photography
  • Introduction to Holography - ThoughtCo
    Holograms create three-dimensional images by using light interference patterns from laser beams Lasers make holograms because their light is coherent, meaning it has the same frequency and phase Holograms are used in arts, data storage, security, and were improved by lasers invented in 1960





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