Direct observation of Gouy phase shift in a propagating optical vortex


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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/14752

Title:	Direct observation of Gouy phase shift in a propagating optical vortex
Authors:	Hamazaki, Junichi Browse this author
	Mineta, Yuriya Browse this author
	Oka, Kazuhiko Browse this author →KAKEN DB
	Morita, Ryuji Browse this author
Keywords:	Optical devices : Spatial light modulators
Keywords:	Other areas of optics : Berry's phase
Issue Date:	4-Sep-2006
Publisher:	Optical Society of America
Journal Title:	Optics Express
Volume:	14
Issue:	18
Start Page:	8382
End Page:	8392
Abstract:	Direct observation of Gouy phase shift on an optical vortex was presented through investigating the intensity profiles of a modified LG_p^m beam with an asymmetric defect, around at the focal point. It was quantitatively found that the rotation profile of a modified LG_p^m beam manifests the Gouy phase effect where the rotation direction depends on only the sign of topological charge m. This profile measurement method by introducing an asymmetric defect is a simple and useful technique for obtaining the information of the Gouy phase shift, without need of a conventional interference method. In addition, the 3-dimernsional trajectory of the defect was found to describe a uniform straight line.
Rights:	© 2006 Optical Society of America, Inc.
Relation:	http://www.opticsexpress.org/
Type:	article (author version)
URI:	http://hdl.handle.net/2115/14752
Appears in Collections:	工学院・工学研究院 (Graduate School of Engineering / Faculty of Engineering) > 雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

Submitter: 浜崎淳一

OAI-PMH ( junii2 , jpcoar_1.0 )

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