TITLE

Ghost “pinhole” imaging in Fraunhofer region

AUTHOR(S)
Gong, Wenlin; Pengli Zhang; Xia Shen; Shensheng Han
PUB. DATE
August 2009
SOURCE
Applied Physics Letters;8/17/2009, Vol. 95 Issue 7, p071110
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
For an aperture with transverse size D, Fraunhofer region is named when the distance between the aperture and the detector is larger than D2/λ, where λ is the wavelength of the illuminating light. For a lensless system, when both reference detector and the object are located in Fraunhofer region relative to the thermal source, we demonstrate that a ghost “pinhole” camera with magnification M=z/z1 can be obtained by the second-order correlation of two light fields even if the test detector is a single pointlike detector. Effects determining the quality of ghost pinhole imaging and its potential applications are also discussed.
ACCESSION #
43887441

 

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