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Digital plasmonic holography

We demonstrate digital plasmonic holography for direct in-plane imaging with propagating surface-plasmon waves. Imaging with surface plasmons suffers from the lack of simple in-plane lenses and mirrors. Lens-less digital holography techniques, however, rely on digitally decoding an interference patt...

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Autores principales: Nelson, Joseph W., Knefelkamp, Greta R., Brolo, Alexandre G., Lindquist, Nathan C.
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2018
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6107013/
https://www.ncbi.nlm.nih.gov/pubmed/30839569
http://dx.doi.org/10.1038/s41377-018-0049-2
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author Nelson, Joseph W.
Knefelkamp, Greta R.
Brolo, Alexandre G.
Lindquist, Nathan C.
author_facet Nelson, Joseph W.
Knefelkamp, Greta R.
Brolo, Alexandre G.
Lindquist, Nathan C.
author_sort Nelson, Joseph W.
collection PubMed
description We demonstrate digital plasmonic holography for direct in-plane imaging with propagating surface-plasmon waves. Imaging with surface plasmons suffers from the lack of simple in-plane lenses and mirrors. Lens-less digital holography techniques, however, rely on digitally decoding an interference pattern between a reference wave and an object wave. With far-field diffractive optics, this decoding scheme provides a full recording, i.e., a hologram, of the amplitude and phase of the object wave, giving three-dimensional information from a two-dimensional recording. For plasmonics, only a one-dimensional recording is needed, and both the phase and amplitude of the propagating plasmons can be extracted for high-resolution in-plane imaging. Here, we demonstrate lens-less, point-source digital plasmonic holography using two methods to record the plasmonic holograms: a dual-probe near-field scanning optical microscope and lithographically defined circular fluorescent screens. The point-source geometry gives in-plane magnification, allowing for high-resolution imaging with relatively lower-resolution microscope objectives. These results pave the way for a new form of in-plane plasmonic imaging, gathering the full complex wave, without the need for plasmonic mirrors or lenses.
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spelling pubmed-61070132018-08-30 Digital plasmonic holography Nelson, Joseph W. Knefelkamp, Greta R. Brolo, Alexandre G. Lindquist, Nathan C. Light Sci Appl Article We demonstrate digital plasmonic holography for direct in-plane imaging with propagating surface-plasmon waves. Imaging with surface plasmons suffers from the lack of simple in-plane lenses and mirrors. Lens-less digital holography techniques, however, rely on digitally decoding an interference pattern between a reference wave and an object wave. With far-field diffractive optics, this decoding scheme provides a full recording, i.e., a hologram, of the amplitude and phase of the object wave, giving three-dimensional information from a two-dimensional recording. For plasmonics, only a one-dimensional recording is needed, and both the phase and amplitude of the propagating plasmons can be extracted for high-resolution in-plane imaging. Here, we demonstrate lens-less, point-source digital plasmonic holography using two methods to record the plasmonic holograms: a dual-probe near-field scanning optical microscope and lithographically defined circular fluorescent screens. The point-source geometry gives in-plane magnification, allowing for high-resolution imaging with relatively lower-resolution microscope objectives. These results pave the way for a new form of in-plane plasmonic imaging, gathering the full complex wave, without the need for plasmonic mirrors or lenses. Nature Publishing Group UK 2018-08-15 /pmc/articles/PMC6107013/ /pubmed/30839569 http://dx.doi.org/10.1038/s41377-018-0049-2 Text en © The Author(s) 2018 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Nelson, Joseph W.
Knefelkamp, Greta R.
Brolo, Alexandre G.
Lindquist, Nathan C.
Digital plasmonic holography
title Digital plasmonic holography
title_full Digital plasmonic holography
title_fullStr Digital plasmonic holography
title_full_unstemmed Digital plasmonic holography
title_short Digital plasmonic holography
title_sort digital plasmonic holography
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6107013/
https://www.ncbi.nlm.nih.gov/pubmed/30839569
http://dx.doi.org/10.1038/s41377-018-0049-2
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