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• Dot Matrix Hologram
Dot matrix hologram as the name implies, a hologram created from an array of smaller units(dots). Each dot is actually a separate hologram that produces a predetermined result, usually a simple diffraction grating.when illuminated with a white light source and vewed at the correct angle, the diffration grating produces a tiny spot of color. The microscope gratings can be arranged to produce a single coposite picture, a sequence of related images, and for a variety of "special effects". Dot matrix hologram are exfremely eye-catching.They are bright and colorful even under fluo rescent lighting.
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