$Focal shifts of converging diffracted waves of any state of spatial coherence$

Focal shifts of converging diffracted waves of any state of spatial coherence

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.

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Bibliographische Detailangaben
Veröffentlicht in:	Optics communications 2001-09, Vol.196 (1), p.1-7
Hauptverfasser:	Friberg, A.T., Visser, T.D., Wang, W., Wolf, E.
Format:	Artikel
Sprache:	eng
Schlagworte:	Coherence Diffraction Diffraction and scattering Exact sciences and technology Focal shift Focusing fresnel numbers Fundamental areas of phenomenology (including applications) Optics Physics systems Wave optics
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Beschreibung
Zusammenfassung:	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.
ISSN:	0030-4018 1873-0310 1873-0310
DOI:	10.1016/S0030-4018(01)01378-5