MAKE: Blog: "Ghost-imaging"

"Ghost-imaging"

Shared Media Photodb Photos 080530-F-2383G-001
Huh, so here's a good use for entangled photons.. ghost-imaging via Wired.

Investigators funded by the Air Force Office of Scientific Research are conducting research under the name of "ghost-imaging," where a visual image of an object is created by means of light that has never interacted with the object.
The new technology may result in a more versatile use of field sensors, and have space applications.

University of Maryland, Baltimore Campus, professor (Dr.) Yanhua Shih initiated ghost-imaging research in 1995, by using entangled photons. In the experiment, one photon passed through stenciled patterns in a mask to trigger a detector, and another photon was captured by a second detector. Surprisingly, an image of the pattern between the two detectors appeared, which the physics community called ghost-imaging.

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