Holography in Education and Entertainment
In the Name of Allah---the Most Beneficent, the Most Merciful. What is Holography? Holography is a technique for creating three-dimensional (3D) images using laser light. It was invented in the 1940s by Hungarian-British physicist Dennis Gabor, who was awarded the Nobel Prize in Physics in 1971 for his work on holography. Video Player 00:00 00:04 In holography, a laser beam is split into two parts. One part is directed onto the object being imaged, and the other part is used as a reference beam. When the two beams are recombined, they create an interference pattern that is recorded on a photographic plate or other light-sensitive material. When the hologram is illuminated with laser light, the interference pattern creates a 3D image of the object, which appears to float in space. Unlike a traditional photograph, a hologram captures not only the intensity of the light reflecting off the object but also the phase of the light waves. This allows the hologram to record the complex wavefron...