We present diffraction experiments where the roles of light and material are inverted with respect to usual holography. Atomic matter waves are diffracted at grating structures composed of standing light waves. In contrast to material holograms, our light gratings can be manipulated during the passage of an atomic matter wave, resulting in new diffraction features. We demonstrate similarities and differences between material and light holograms.
Stefan Bernet, Roland Abfalterer, Claudia Keller, Markus K. Oberthaler, Jörg Schmiedmayer, Anton Zeilinger, "Atom Holography at Light Structures" in Journal of Imaging Science and Technology, 1997, pp 324 - 331, https://doi.org/10.2352/J.ImagingSci.Technol.1997.41.4.art00004