Dot Matrix Hologram

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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 viewed at the correct angle, the diffraction grating produces a tiny spot of color. The microscope gratings can be arranged to produce a single composite picture, a sequence of related images, and for a variety of "special effects". Dot matrix hologram are extremely eye-catching. They are bright and colorful even under fluorescent lighting.

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