03MAR 2021
Touchable Holography

Touchable Holography

A lot of work is currently going into creating Star Wars-esque 3D holograms that can be seen by the naked eye without wearing 3D glasses, and now researchers have found a way to make safe, touchable mid-air displays using femtosecond lasers. It is possible to create holograms in mid-air using a laser-induced plasma display, which works by ionising air molecules so that they release…

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25FEB 2021
Subwavelength Gratings

Subwavelength Gratings

A high reflectivity (>99%) subwavelength grating mirror (SWGM), yields a very broad reflection spectrum (1.3–2.1 μm), has been designed for parallel polarized (-polarized) incident light and evaluated by rigorous electromagnetic simulations. Design-sensitive analysis was made by varying one parameter…
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19FEB 2021
Hologram mobile phone

Hologram mobile phone

If you keep hold of the phone you already own until late 2015, you may have the chance to buy a new model with a holographic projector inside. That’s the vision of California-based startup Ostendo Technologies, which has been hard at work creating projectors small enough to be used in a mobile device…
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13FEB 2021
Make Hologram Stickers

Make Hologram Stickers

Step1. Make holographic master origination (Master origination shooting system, 2D/3D or Dot-matrix) step2. Recombine Dot-matrix master in size of160mm*160. 2D/3D master doesn t need recombination. (Recombiner) step3. Copy operation nickel shim from holographic master origination(Electronic Forming Machine)…
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07FEB 2021
Holographic Display

Holographic Display

Holographic 3-D Displays - Electro-holography within the Grasp of
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01FEB 2021
Hologram Pictures

Hologram Pictures

The 1960s ushered in new technologies and new frontiers for image production. The development of laser technology in 1962 enabled the creation of holograms that displayed three-dimensional images on a two-dimensional surface. Artists were drawn to holography, hailed as a medium of the future that turned…
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26JAN 2021
Diffraction Uses

Diffraction Uses

All waves are subject to diffraction when they encounter an obstacle in their path. Consider the shadow of a flagpole cast by the on the ground. From a the darkened zone of the shadow gives the impression that light traveling in a straight line from the Sun was blocked by the pole. But careful observation…
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20JAN 2021
Zero order diffraction

Zero order diffraction

A simple experimental method of eliminating zero-order diffraction in the reconstructed image of off-axis digital holography is presented. Holographic diffraction grating acting as a beam splitter, an off-axis holography system is formed. The holograms of object with different recording parameters are…
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14JAN 2021
Parabolic Mirrors Hologram

Parabolic Mirrors Hologram

Specular holography is a technique for making three dimensional imagery by controlling the motion of specular glints on a two-dimensional surface. The image is made of many specularities and has the appearance of a 3D surface-stippling made of dots of light. Unlike conventional wavefront holograms, specular…
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