A meta-diffraction-grating for visible light

We report an experimental realization of a visible range planar diffraction grating, formed by sub-wavelength elements, with periodically variable parameters. At normal incidence the grating exhibits asymmetric diffraction into the positive and negative first diffraction orders and operates at visib...

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Bibliographic Details
Published inJournal of optics (2010) Vol. 15; no. 8; pp. 85101 - 1-3
Main Authors Roy, Tapashree, Nikolaenko, Andrey E, Rogers, Edward T F
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.08.2013
Subjects
Asymmetry
blazed-grating
Diffraction gratings
diffraction-grating
Gratings (spectra)
Incidence
planar metamaterials
visible meta-grating
Wavelengths
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Summary:We report an experimental realization of a visible range planar diffraction grating, formed by sub-wavelength elements, with periodically variable parameters. At normal incidence the grating exhibits asymmetric diffraction into the positive and negative first diffraction orders and operates at visible wavelengths with peak efficiency at 736 nm wavelength.
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ISSN:2040-8978
2040-8986
DOI:10.1088/2040-8978/15/8/085101