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American Chemical Society, Nano Letters, 5(14), p. 2485-2490, 2014

DOI: 10.1021/nl5001696

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Highly Efficient and Broadband Wide-Angle Holography Using Patch-Dipole Nanoantenna Reflectarrays

Journal article published in 2014 by Yuval Yifat, Michal Eitan, Zeev Iluz, Yael Hanein ORCID, Amir Boag, Jacob Scheuer
This paper is available in a repository.
This paper is available in a repository.

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Abstract

We demonstrate wide-angle, broadband and efficient reflection holography by utilizing coupled dipole-patch nano-antenna cells to impose an arbitrary phase profile on of the reflected light. High fidelity images were projected at angles of 450 and 200 with respect to the impinging light with efficiencies ranging between 40%-50% over an optical bandwidth exceeding 180nm. Excellent agreement with the theoretical predictions was found at a wide spectral range. The demonstration of such reflectarrays opens new avenues towards expanding the limits of large angle holography.