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Updated: Jan 11, 2026

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Demonstration of Equal-Intensity Beam Generation by Dielectric Metasurfaces
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Polarization-sensitive diffractive optics and metasurfaces: "Past is Prologue"
Noah A Rubin1, Yeshaiahu Fainman1
1Department of Electrical and Computer Engineering, University of California San Diego, La Jolla, CA, USA.
Nanophotonics (Berlin, Germany)
|November 17, 2025
Abstract
None:
Polarization control and switchability are among the most unique features of "metasurfaces" as compared with diffractive optics technologies of the past. Here, we review how the polarization control afforded by the advent of present-day metasurfaces compares to diffractive elements of previous decades, clarifying from a functional perspective what is new, and what is not.

