What are holographic cards?
holographic cards are hard pieces of cardboard and papers that have shiny metal images on them. Sometimes images can move and even turn into other images when the cards are moved and turned to certain angles. In other cases, the images do not change, but they look three -dimensional, moving and rotating at different angles and look as if they float just above the card. Holographic cards are also usually colored, with colors change slightly if the card moves from side to side. One may think of a holographic card as an updated version of a photo that only captures the 2D image.
The concept of holograms can be compared to how the eyes see three -dimensional images. The left eye sees the image at one angle while the right eye sees the image at a different angle. When the brain receives these images, combines them and turn them into one 3D picture. When a person moves at a different angle, the brain performs the same process and represents an image in Another Perspective. Holographic cards work with similar mEtodes that they record several angles on paper, ie 3D effects of images.
capturing images on holographic cards may require certain tools such as holographic film, red laser, mirrors, lenses and half -red, which is glass with a coating of silver on the middle of its surface. The red laser is aimed at half the mirror, so half of the light beam passes through the glass and the other half is reflected in another mirror due to a silver coating. The reflected half beam is again reflected in another mirror, which then hits the angles of the half beam directly on the object. Half-Prasek is reflected from the object towards the holographic film.
The second half beam, which passed half -mirror, is also reflected in another mirror, which then the angles of the beam also the angle to the holographic film. Imvain on holographic cards is finally created when both half rays hit holographic filM and created a 3D picture. In this way, both half rays work similarly to eyes when they saw the image at different angles of several mirrors.
If you want to create clear pictures on holographic cards, it is best to do the whole process in a very dark room. All tools should also be placed on a flat surface and must remain immobile; Even the smallest vibrations from the track or breathing can distort the picture on the card. Many holographic studies have adapted tables that contain absorbers below them to reduce vibrations.
holographic cards have a lot of use, especially for security reasons. Companies and organizations issue holographic identification cards that are difficult to copy counterfeiters. The hologram process can even place some data that can only read computers and keep private information as such.