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Optics Letters

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  • Editor: Alan E. Willner
  • Vol. 34, Iss. 9 — May. 1, 2009
  • pp: 1450–1452

Effects of pseudothermal light source’s transverse size and coherence width in ghost-interference experiments

Itamar Vidal, Dilson P. Caetano, Eduardo J.S. Fonseca, and Jandir M. Hickmann  »View Author Affiliations


Optics Letters, Vol. 34, Issue 9, pp. 1450-1452 (2009)
http://dx.doi.org/10.1364/OL.34.001450


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Abstract

Ghost interference is experimentally investigated by varying the pseudothermal light source’s transverse size and coherence width. Our results show that by increasing the transverse size of the source the quality of the interference pattern is improved, while the visibility is reduced. On the other hand, by increasing the coherence width of the source, the visibility of the interference pattern is improved, while the quality is reduced. These experimental results corroborate previous theoretical results.

© 2009 Optical Society of America

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(110.1650) Imaging systems : Coherence imaging

ToC Category:
Imaging Systems

History
Original Manuscript: January 8, 2009
Revised Manuscript: April 2, 2009
Manuscript Accepted: April 6, 2009
Published: April 30, 2009

Citation
Itamar Vidal, Dilson P. Caetano, Eduardo J. S. Fonseca, and Jandir M. Hickmann, "Effects of pseudothermal light source's transverse size and coherence width in ghost-interference experiments," Opt. Lett. 34, 1450-1452 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-9-1450


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  19. V=[(Imax−Imin)]/[(Imax+Imin)] is a standard definition for the visibility of an interference pattern obtained in the second-order correlation function, where Imax and Imin correspond to the maximum and minimum values of the correlation function, respectively. This definition can also be applied to the fourth-order correlation function.

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