Ghost-imaging experiment by measuring reflected photons
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Meyers, Ron, Keith S. Deacon, and Yanhua Shih. “Ghost-Imaging Experiment by Measuring Reflected Photons.” Physical Review A 77, no. 4 (2008): 041801. https://doi.org/10.1103/PhysRevA.77.041801.
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This work was written as part of one of the author's official duties as an Employee of the United States Government and is therefore a work of the United States Government. In accordance with 17 U.S.C. 105, no copyright protection is available for such works under U.S. Law.
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Abstract
A CCD array is placed facing a chaotic light source and gated by a photon counting detector that simply counts all randomly scattered and reflected photons from an object. A “ghost” image of the object is then observed in the gated CCD. Differing from all published ghost-imaging experiments, this setup captures ghosts from scattered and reflected light of an object, instead of the transmitted ones. This new feature is not only useful for practical applications, but is also important fundamentally. It further explores the nonclassical interference nature of thermal light ghost imaging.