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How far is black holographic projection technology from univ
Release time:2020-07-29 21:28;31click:second,author:Create an interactive vision

  How far is true holographic projection into the future of black technology? When watching a Hollywood blockbuster, there is a scene we are very familiar with: the protagonist waves his or her hand, and a 3d virtual screen appears in front of him or her. The content on the screen can be changed at will. In many museums, concerts and fashion shows, we often see similar three-dimensional images, vivid and shocking. Many people call this a "holographic projection." The Hollywood scene now seems to have come true. Holographic projection technology now looks at the edges of the cloud.

  What exactly is a holographic projection? Let's first define what "holographic projection technology" is. In addition to its simple appearance and color, the object also has a lot of information such as movement track and spatial position, which is difficult to present in traditional photos. But if we could also record all of this, the image would be three-dimensional, and we would have all the information about the object, the so-called hologram. Holographic projection is a technique that USES interference and diffraction to record and reproduce a real three-dimensional image of an object.

  Holographic projection technology was originally invented by physicist Dennis Smith. In 1974. Geber proposed that holographic projection technology developed rapidly with the discovery of lasers in the 1960s. At present, the realization of holographic projection mainly relies on water mist projection, holographic movie projection and other methods, among which holographic movie projection technology has achieved large-scale commercialization at low cost. Most of the three-dimensional images that we see on the stage are made in this way.

  What is the difference between holographic film projection technology and film effect? Holographic movie projection technology may look realistic at first glance, but it's a far cry from the holographic projection used in Hollywood blockbusters. As for the difference between the two, to put it simply, holographic projection in movies does not need any medium to display 3d images in the air, while holographic movie projection technology still needs to rely on holographic movie projection medium and combine refractive index of optical materials to achieve.

  Holographic projection technology requires dark scenes, careful viewers will find that the holographic projection in the movie can be viewed from any Angle without affecting the visual effect, and people can directly pass through the stereo image. However, holographic film projection technology requires the audience to see the three-dimensional picture from a specific Angle, and the surrounding scene also needs to be relatively dark, so there is still a big gap between today's holographic projection technology and film performance.

  When will true holographic projection be realized? Seeing this, I'm afraid many readers will ask: When will true holographic projection be realized? In theory, there are two ways to do this. Firstly, the refraction of light is generated by ionization in the air, thus holographic projection is realized. Secondly, the laser explosion effect is used to create real three-dimensional holographic images. It is reported that there are laboratories without any media, pure holographic projection in the air, but the technology is not mature enough. Firstly, the cost of this method is too high to realize large-scale commercial application. Secondly, the problems of image quality and color have not been solved, so the author believes that true holographic projection can only appear in the laboratory within a short time.

  Writing in the later stage: Although there are still some deficiencies in the 3d image effect obtained by holographic membrane projection technology, it still brings us different experiences. At present, the technology has been widely used in exhibitions, stage performances and other industries. It is worth noting that it is very different from true holographic projection technology. However, the real holographic projection is still in the laboratory stage, so it is difficult to meet our requirements in a short time. But I believe that with the continuous development of technology, this is the future of black technology will come to our lives sooner or later.

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