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Focal shifts of converging diffracted waves of any state of spatial coherence
KTH, Superseded Departments, Microelectronics and Information Technology, IMIT.
2001 (English)In: Optics Communications, ISSN 0030-4018, E-ISSN 1873-0310, Vol. 196, no 06-jan, 1-7 p.Article in journal (Refereed) Published
Abstract [en]

We analyze the focusing of wave fields of any state of coherence by systems with low Fresnel numbers. We study the optical intensity on the axis in the focal region. The dependence of the focal shift and of the maximum on-axis intensity on the state of coherence is examined for some model fields.

Place, publisher, year, edition, pages
2001. Vol. 196, no 06-jan, 1-7 p.
Keyword [en]
coherence, focusing, focal shift, diffraction, fresnel numbers, systems
URN: urn:nbn:se:kth:diva-20914ISI: 000170722200001OAI: diva2:339611
QC 20100525Available from: 2010-08-10 Created: 2010-08-10Bibliographically approved

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Friberg, Ari T.
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