reflection holography

Reflection holography creates a three-dimensional image by splitting a laser beam into two parts: one illuminates the object, and the other acts as a reference. When these beams meet, they produce an interference pattern that is recorded directly on a photographic plate or film placed close to the object. Unlike transmission holography, which requires light to pass through, reflection holography captures the light reflected off the object, making the hologram visible from the same side as the illumination. This technique results in a realistic, three-dimensional image that appears to float above or within the holographic surface.