| Colored images generated by metallic sub-wavelength gratings. | |
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MedLine Citation:
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PMID: 19582134 Owner: NLM Status: PubMed-not-MEDLINE |
Abstract/OtherAbstract:
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Gratings with periods smaller than visible wavelengths in ambient white light will exhibit enhanced colors if the profile is designed so that resonant light interaction occurs in the visible range. Resonances have a frequency-selective influence to the grating diffraction inducing colors in transmittance and reflectance, respectively. Apart from the well-known surface-plasmon polariton excitations and cavity resonances, newly discovered resonances in TE-polarization can be exploited for colorizing wire-gratings, when simply illuminated by unpolarized white light. Colors can be laterally tuned by varying the grating profile. The capability of generating images by sub-wavelength gratings is exemplified by a metallic wire grating embedded in a plastic foil with a lateral variable modulation depth. This method for producing colored images is predestined for industrial mass production and will have ever more practical applications such as for security features. |
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Authors:
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Hans Lochbihler |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Optics express Volume: 17 ISSN: 1094-4087 ISO Abbreviation: Opt Express Publication Date: 2009 Jul |
Date Detail:
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Created Date: 2009-07-07 Completed Date: 2009-10-19 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101137103 Medline TA: Opt Express Country: United States |
Other Details:
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Languages: eng Pagination: 12189-96 Citation Subset: - |
Affiliation:
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Papierfabrik Louisenthal GmbH, Postfach 1185, D-83701 Gmund, Germany. hans.lochbihler@louisenthal.com |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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