Holography Tag

What is Holography?

History of Holography: Invented in 1948 by Dennis Gabor for use in electron microscopy, before the invention of the laser. Leith and Upatnieks (1962) applied laser light to holography. Conventional vs. Holographic photography: Conventional:  ¨2-d version of a 3-d scene ¨Photograph lacks depth perception ¨Film sensitive only to radiant energy ¨Phase relation (i.e. interference) are lost Hologram:  ¨Freezes the intricate wave front of light that carries all the visual information of the scene ¨To view a hologram, the wave front…