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Direct observation of Gouy phase shift in a propagating optical vortex

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タイトル: Direct observation of Gouy phase shift in a propagating optical vortex
著者: Hamazaki, Junichi 著作を一覧する
Mineta, Yuriya 著作を一覧する
Oka, Kazuhiko 著作を一覧する
Morita, Ryuji 著作を一覧する
キーワード: Optical devices : Spatial light modulators
Other areas of optics : Berry's phase
発行日: 2006年 9月 4日
出版者: Optical Society of America
誌名: Optics Express
巻: 14
号: 18
開始ページ: 8382
終了ページ: 8392
抄録: 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.
資料タイプ: article (author version)
出現コレクション:雑誌発表論文等 (Peer-reviewed Journal Articles, etc)

提供者: 浜崎 淳一


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