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Optics Letters

Optics Letters


  • Vol. 28, Iss. 18 — Sep. 15, 2003
  • pp: 1627–1629

Can spatial coherence effects produce a local minimum of intensity at focus?

Greg Gbur and Taco D. Visser  »View Author Affiliations

Optics Letters, Vol. 28, Issue 18, pp. 1627-1629 (2003)

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It is demonstrated that, for high-Fresnel-number focusing systems illuminated by certain classes of partially coherent light, it is possible to produce a local minimum of intensity at the geometrical focus. Such an effect is possible even though the average intensity in the entrance plane of the lens is uniform. An explanation is offered for this effect, and potential applications are considered.

© 2003 Optical Society of America

OCIS Codes
(030.0030) Coherence and statistical optics : Coherence and statistical optics
(110.4980) Imaging systems : Partial coherence in imaging

Greg Gbur and Taco D. Visser, "Can spatial coherence effects produce a local minimum of intensity at focus?," Opt. Lett. 28, 1627-1629 (2003)

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