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Optics Express

Optics Express

  • Editor: Michael Duncan
  • Vol. 11, Iss. 4 — Feb. 24, 2003
  • pp: 339–346

Anomalous behaviors of the Fraunhofer diffraction patterns for a class of partially coherent light

Jixiong Pu and Shojiro Nemoto  »View Author Affiliations


Optics Express, Vol. 11, Issue 4, pp. 339-346 (2003)
http://dx.doi.org/10.1364/OE.11.000339


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Abstract

In this paper, we investigate the Fraunhofer diffraction of a class of partially coherent light diffracted by a circular aperture. It is shown that by the illumination of partially coherent light of the special spatial correlation function, the anomalous behaviors of the diffraction patterns are found. We find that the decrease of the spatial coherence of the light in the aperture leads to the drastic changes of the diffraction pattern. Specifically, when the light in the aperture is fully coherent, the diffraction pattern is just an Airy disc. However, as the coherence decreases, the diffraction pattern becomes an annulus, and the radius of the annulus increases with the decrease of the coherence. Flattened annuli can be achieved, when the parameters characterizing the correlation of the partially coherent light are chosen with suitable values. Potential applications of modulating the coherence to achieve desired diffraction patterns are discussed.

© 2003 Optical Society of America

OCIS Codes
(030.1640) Coherence and statistical optics : Coherence
(050.1940) Diffraction and gratings : Diffraction

ToC Category:
Research Papers

History
Original Manuscript: January 27, 2003
Revised Manuscript: February 12, 2003
Published: February 24, 2003

Citation
Jixiong Pu and Shojiro Nemoto, "Anomalous behaviors of the Fraunhofer diffraction patterns for a class of partially coherent light," Opt. Express 11, 339-346 (2003)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-11-4-339


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References

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