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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 19 — Sep. 17, 2007
  • pp: 12386–12394

A conceptual experiment on single-beam coincidence detection with pseudothermal light

Lorenzo Basano and Pasquale Ottonello  »View Author Affiliations

Optics Express, Vol. 15, Issue 19, pp. 12386-12394 (2007)

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Ghost imaging produced by pseudothermal light is commonly obtained by correlating the intensities of two separate beams, neither of which conveys information about the shape of the object to be imaged. The single-beam experiment discussed here, while not exploitable for the practical purpose of reconstructing the shape of a real mask, uses the same mathematical machinery as two-beam experiments; it also suggests that image retrieval by classical light ghost imaging is only a product of normal signal processing and does not involve any “ghost”. In addition, the single-beam setup allows simpler calibration procedures in systematic investigations of the efficiency of coincidence imaging.

© 2007 Optical Society of America

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(100.0100) Image processing : Image processing

ToC Category:
Coherence and Statistical Optics

Original Manuscript: May 18, 2007
Revised Manuscript: July 11, 2007
Manuscript Accepted: July 13, 2007
Published: September 14, 2007

Lorenzo Basano and Pasquale Ottonello, "A conceptual experiment on single-beam coincidence detection with pseudothermal light," Opt. Express 15, 12386-12394 (2007)

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  10. In this paper we make reference only to ghost imaging and not to ghost interference or diffraction
  11. The term "correlation" commonly employed in ghost imaging actually means "zero-delay cross-correlation"; in other words, two sequences are being "correlated" when they are multiplied term by term (without relative shift) and summed.

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