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Ghost imaging to search for space objects February 22nd, 2013

We are exploring the application of ghost-imaging-like techniques to astronomy, with the objective of detecting intensity-correlation signatures resulting from space objects of interest, such as exo-planets, gas clouds, and gravitational lenses. We show that the key aspect of being able to utilize ghost imaging in astronomy is the recognition that in interstellar imaging geometries the object of interest can act as an effective beam splitter, yielding detectable variations in the intensity-correlation signature. Some of the recent findings are summarized in Journal of Physics: Conference Series 414 (2013) 012037