Experimental observation of focal shifts in focused partially coherent beams

Fei Wang; Yangjian Cai; Olga Korotkova

doi:10.1016/j.optcom.2009.05.043

Experimental observation of focal shifts in focused partially coherent beams

Fei Wang, Yangjian Cai, Olga Korotkova

Physics

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

We report the experimental observation of focal shifts in partially coherent beams of Gaussian Schell-model (GSM) type focused by a circularly apertured thin lens. The relative focal shift increases as the aperture radius or the state of coherence of the GSM source decrease. The experimental results agree well with theoretical predictions.

Original language	English (US)
Pages (from-to)	3408-3413
Number of pages	6
Journal	Optics Communications
Volume	282
Issue number	17
DOIs	https://doi.org/10.1016/j.optcom.2009.05.043
State	Published - Sep 1 2009

Keywords

Focal shift
Partially coherent beam

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Atomic and Molecular Physics, and Optics
Physical and Theoretical Chemistry
Electrical and Electronic Engineering

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title = "Experimental observation of focal shifts in focused partially coherent beams",

abstract = "We report the experimental observation of focal shifts in partially coherent beams of Gaussian Schell-model (GSM) type focused by a circularly apertured thin lens. The relative focal shift increases as the aperture radius or the state of coherence of the GSM source decrease. The experimental results agree well with theoretical predictions.",

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AU - Cai, Yangjian

AU - Korotkova, Olga

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N2 - We report the experimental observation of focal shifts in partially coherent beams of Gaussian Schell-model (GSM) type focused by a circularly apertured thin lens. The relative focal shift increases as the aperture radius or the state of coherence of the GSM source decrease. The experimental results agree well with theoretical predictions.

AB - We report the experimental observation of focal shifts in partially coherent beams of Gaussian Schell-model (GSM) type focused by a circularly apertured thin lens. The relative focal shift increases as the aperture radius or the state of coherence of the GSM source decrease. The experimental results agree well with theoretical predictions.

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KW - Partially coherent beam

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JO - Optics Communications

JF - Optics Communications

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