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  2. Lenticular lens - Wikipedia

    en.wikipedia.org/wiki/Lenticular_lens

    A lenticular lens is an array of lenses, designed so that when viewed from slightly different angles, different parts of the image underneath are shown. [ 1 ] [ 2 ] [ failed verification – see discussion ] The most common example is the lenses used in lenticular printing , where the technology is used to give an illusion of depth, or to make ...

  3. Lenticular printing - Wikipedia

    en.wikipedia.org/wiki/Lenticular_printing

    Lithographic lenticular printing allows for the flat side of the lenticular sheet to have ink placed directly onto the lens, while high-resolution photographic lenticulars typically have the image laminated to the lens. [citation needed] Lenticular images saw a surge in popularity in the first decade of the 21st century, appearing on the cover ...

  4. Lenticular fabric - Wikipedia

    en.wikipedia.org/wiki/Lenticular_fabric

    An example of a lenticular fabric sheet that changes from a blue background with white stars to a white background with red stars. A lenticular fabric is a lattice-like arrangement of lens-shaped materials formed into a thin layer. [1] When the surface of the fabric is smooth, it often has a reflective and light-distorting appearance.

  5. List of lens designs - Wikipedia

    en.wikipedia.org/wiki/List_of_lens_designs

    This list covers optical lens designs grouped by tasks or overall type. The field of optical lens designing has many variables including the function the lens or group of lenses have to perform, the limits of optical glass because of the index of refraction and dispersion properties, and design constraints including realistic lens element center and edge thicknesses, minimum and maximum air ...

  6. 3D display - Wikipedia

    en.wikipedia.org/wiki/3D_display

    Lenticular lens and parallax barrier technologies involve imposing two (or more) images on the same sheet, in narrow, alternating strips, and using a screen that either blocks one of the two images' strips (in the case of parallax barriers) or uses equally narrow lenses to bend the strips of image and make it appear to fill the entire image (in ...

  7. Scientists create invisibility cloak capable of concealing 3D ...

    www.aol.com/news/2015-09-18-scientists-create...

    If you ever hoped an invisibility cloak was a real thing, you will be happy to know that one now exists. Unfortunately, it will only work on something incredibly small, specifically microscopic.

  8. Vectograph - Wikipedia

    en.wikipedia.org/wiki/Vectograph

    An elementary vectograph is a polarizing filter sheet that encodes a photographic image as areas that polarize light more or less strongly, corresponding to the darker and lighter areas of the image. When the sheet is viewed by itself in ordinary light, a pale image becomes visible.

  9. Polarized 3D system - Wikipedia

    en.wikipedia.org/wiki/Polarized_3D_system

    In 2003 Keigo Iizuka discovered an inexpensive implementation of this principle on laptop computer displays using cellophane sheets. [6] One can construct a low-cost polarized projection system by using a computer with two projectors and an aluminium foil screen. The dull side of aluminium foil is brighter than most silver screens.