Monday, November 9, 2009

Process of Hologram Stickers

Holography is a method that allows the light scattered from an object to be recorded and later reconstructed. It appears as if the object is in the same point relative to the recording medium as it was when recorded. The picture changes as the place and course of the viewing system changes. It changes precisely the exact way as if the object were still there. It makes the recorded image emerge three dimensional which is termed as Hologram.

A hologram is created with photographic projection. There are different types of holograms as 2d & 3d holograms. These holograms are truly three-dimensional and free-standing image that does not simulate spatial depth or necessitate a special viewing device.

There are different names by which the holograms are categorized as reflection hologram, transmission hologram and embossed hologram etc. The reflection holograms are viewed when lit from the front, while transmission hologram can be seen by unblemished light through it from the back side. There are embossed holograms which are made by backing a transmission hologram with a mirror-like substance, letting it to be viewed when lit from the face. In the market, you can effortlessly surf for Hologram Foil - hologram sticker, Scratch Holograms, Security hologram label sticker, Holographic Scratch Coupons, Scratch Holograms.

Even though a hologram is a visual image of a physical object, it is quite different from a photograph. For example, when an object is photographed, each section of the photo contains an image of the corresponding portion of the original object. Each section of a hologram, however, contains a full image of the original object, viewed from a vantage point that corresponds to the section's position on the hologram.

Thus, if the transparent plate containing a transmission hologram is broken, each part will still be able to project the entire image, notwithstanding from a different point of view. Using a piece from near the top of the holographic plate will produce an image as seen from above, whereas using a piece from near the bottom of the plate will create the sense of looking aloft toward the object.

Another attention-grabbing property of holograms is that they bank the optical properties of objects such as lenses. For example, consider making a hologram of a magnifying glass placed in front of a butterfly. When viewing the holographic image of those objects, an observer will find that the portions of the butterfly seen through the image of the magnifying glass will be enlarged.

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