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  Linear and angular momenta in tightly focused vortex segmented beams of light

Neugebauer, M., Aiello, A., & Banzer, P. (2017). Linear and angular momenta in tightly focused vortex segmented beams of light. Chinese Optics Letters, 15(3): 030003. doi:10.3788/COL201715.030003.

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Item Permalink: https://hdl.handle.net/21.11116/0000-0000-7E30-D Version Permalink: https://hdl.handle.net/21.11116/0000-0008-01B0-F
Genre: Journal Article

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 Creators:
Neugebauer, Martin1, Author           
Aiello, Andrea2, Author           
Banzer, Peter1, Author           
Affiliations:
1Interference Microscopy and Nanooptics, Leuchs Division, Max Planck Institute for the Science of Light, Max Planck Society, ou_2364700              
2Marquardt Division, Max Planck Institute for the Science of Light, Max Planck Society, Staudtstraße 2, 91058 Erlangen, DE, ou_2421700              

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Free keywords: PANCHARATNAM-BERRY PHASE; TRANSVERSE SPIN; FIELD; TRANSPORT; SYSTEM; WAVES; STATEOptics;
 Abstract: We investigate the linear momentum density of light, which can be decomposed into spin and orbital parts, in the complex three-dimensional field distributions of tightly focused vortex segmented beams. The chosen angular spectrum exhibits two spatially separated vortices of opposite charge and orthogonal circular polarization to generate phase vortices in a meridional plane of observation. In the vicinity of those vortices, regions of negative orbital linear momentum occur. Besides these phase vortices, the occurrence of transverse orbital angular momentum manifests in a vortex charge-dependent relative shift of the energy density and linear momentum density.

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Language(s): eng - English
 Dates: 2017
 Publication Status: Published online
 Pages: 5
 Publishing info: -
 Table of Contents: -
 Rev. Type: -
 Identifiers: ISI: 000395991000002
DOI: 10.3788/COL201715.030003
 Degree: -

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Title: Chinese Optics Letters
Source Genre: Journal
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Publ. Info: PO BOX 800-211, SHANGHAI, 201800, PEOPLES R CHINA : CHINESE LASER PRESS
Pages: - Volume / Issue: 15 (3) Sequence Number: 030003 Start / End Page: - Identifier: ISSN: 1671-7694