Make real moving holograms in the air.


A new technology manages to create real holograms, with concrete existence in physical space, that move in the air and can perform different actions. They are capable of recreating scenes from movies and series with real objects.

Researchers from Brigham Young University (BYU) have developed real holograms, with a presence in the physical world, that carry out multiple actions and glide through the air. For example, they manage to realize a contest between characters from science fiction series with real light rays in the form of swords.

Unlike the visual effects of film productions, the created objects exist in the physical world and are developed from so-called ‘optical trap screens’. They work by trapping a single particle in the air with a laser beam and then moving that particle to make a design.

According to a press release, Researchers stress that all the information created in the holographic scenes is true. The computer does not produce an element or any detail.

Things that Should be used in the films, such as the lightsabers used in the character wars, never existed on a physical plane. On the contrary, in the new holograms, every object that is observed exists in physical space.

Catching the light- Holograms

Holography is a technology breakthrough based on photography, which is to develop three-dimensional images based on the use of light. To produce these high-impact images, specialists use a laser beam that etches light-sensitive film on a microscopic scale.

In the new study, published in the journal Scientific Reports, the researchers used a variety of this technique: so-called “optical trap screens.” They work by capturing a particle of light in the air using a laser beam.

The trapped particle can then move, leaving a trail of laser light suspended in the air in its wake. With it, experts create the actual holographic designs by “drawing” in the light.

This methodology has been defined by American scientists as a kind of “3D printing on the light.” Previously, the same team of researchers had managed to draw screenless floating objects in space. Now, the technology has been optimized to be able to produce animations in the air: in this way, objects can interact and perform actions.

A new immersive experience

According to specialists, new developments in this technique will make possible shortly an enriched immersive experience, through which people will have the possibility of interacting with holographic objects that share their nearby physical space.

For Dan Smalley, leader of the team of researchers, “new technology can make it possible to create animated content with great impact, which moves or performs different actions alongside the physical objects that are used every day. They are physical images, not a mirage, “he remarked.

In addition, he pointed out that while 3D viewing approaches require in most cases the observation of a screen with a specific physical limit, the new technique allows creating images floating in space without that kind of limitation.

With this sense, the experts believe with this methodology the notion of screen or panel that we currently have could be modified in a certain way. In potential terms, the new technology will allow much deeper and longer screens to be created: “theoretically infinite in size,” according to scientists.

Source: Brigham Young University (BYU).

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