holographyrelated
Holography-related refers to topics and research connected with holography, the technique for recording and reconstructing the light field of a scene to produce three-dimensional images. A hologram is created when coherent light, usually from a laser, is split into an object beam that interacts with the subject and a reference beam that illuminates a recording medium. The resulting interference pattern encodes amplitude and phase information, enabling a three-dimensional image to be reconstructed when illuminated again.
Applications span security, displays, data storage, and scientific imaging. Security holograms secure currency and products against
Key technologies include holographic recording media (photopolymers, photorefractive materials), spatial light modulators, and interferometric setups. Digital
Historically, holography was invented by Dennis Gabor in 1947; practical demonstrations followed after laser development in