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  2. Fog display - Wikipedia

    en.wikipedia.org/wiki/Fog_display

    A fog display, fog screen, vapor screen or vapor display is a system that uses haze machines or water vapor to create a semi-transparent wall, or "curtain" of suspended particles which trapped in a thin sheet (laminar flow) of air and are illuminated by a projector, [1] in order to produce a display whose images seem to float in mid air. [2]

  3. Spinning mirror system - Wikipedia

    en.wikipedia.org/wiki/Spinning_mirror_system

    Thus, create a system of gyratory mirrors covered by a holographic diffuser anisotropic. Figure 2: anisotropic reflectance characteristics of the mirror system. Left: Photographs of a laser beam and a thin vertical line of light from the video projector as reflected by the holographic diffuser and mirror toward the viewer. The horizontal width ...

  4. Holography - Wikipedia

    en.wikipedia.org/wiki/Holography

    The hologram keeps the information on the amplitude and phase of the field. Several holograms may keep information about the same distribution of light, emitted to various directions. The numerical analysis of such holograms allows one to emulate large numerical aperture, which, in turn, enables enhancement of the resolution of optical microscopy.

  5. TikTok users are making 'homemade hologram projectors' with ...

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  6. TikTok told us to make this 3D hologram projector

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  7. Physics of optical holography - Wikipedia

    en.wikipedia.org/wiki/Physics_of_Optical_Holography

    Holographic self-portrait, exhibited at the National Polytechnic Museum, Sofia. When the hologram plate is illuminated by a laser beam identical to the reference beam which was used to record the hologram, an exact reconstruction of the original object wavefront is obtained.

  8. TikTok told us to make this 3D hologram projector

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  9. Spatial light modulator - Wikipedia

    en.wikipedia.org/wiki/Spatial_light_modulator

    A simple example is an overhead projector transparency. Usually when the term SLM is used, it means that the transparency can be controlled by a computer. SLMs are primarily marketed for image projection, displays devices, [1] and maskless lithography. [citation needed] SLMs are also used in optical computing and holographic optical tweezers.