Coherent and partially coherent twisting beams

descriptionPublicationkeyboard_double_arrow_right Article 01 Jan 1994 Italy English Publisher:Springer Science and Business Media LLCJournal:Optical Review, volume 1, pages 143-145 (issn: 1340-6000, eissn: 1349-9432,

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Authors: Franco Gori; Vittorio Bagini; Massimo Santarsiero; FREZZA, Fabrizio; Giuseppe Schettini; G. Schirripa Spagnolo;

doi: 10.1007/bf03254845

handle: 11590/118739 , 11590/132189 , 11590/114592 , 11573/69529

Coherent and partially coherent twisting beams

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Abstract

We present coherent and partially coherent beams that exhibit transverse pattern expansion and rotation upon free propagation. Coherent twisting beams may be generated by a suitable superposition of Laguerre-Gauss modes, while a model for partially coherent twisting beams is given by a continuous incoherent superposition of lowest order modes.

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Italy

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Keywords

coherence; interference; invariance; laser modes; propagation

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