Journal
OPTICS EXPRESS
Volume 22, Issue 16, Pages 18881-18888Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.22.018881
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Funding
- French Direction Generale de l'Armement (DGA)
- LABEX WIFI (Laboratory of Excellence within the French Program Investments for the Future) [ANR-10-LABX-24, ANR-10-IDEX-0001-02 PSL*]
- French Agence Nationale de Recherche under SPHOCYA
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The recent concept of metasurfaces is a powerful tool to shape waves by governing precisely the phase response of each constituting element through its resonance properties. While most efforts are devoted to realize reconfigurable metasurfaces that allow such complete phase control, for many applications a binary one is sufficient. Here, we propose and demonstrate through experiments and simulations a binary state tunable phase reflector based on the concept of hybridized resonators as unit cell for a possible metasurface. The concept presents the great advantages to be very general, scalable to all frequency domains and above all very robust to fluctuations induced by the tunable mechanism, as we prove it at microwave frequencies using electronically tunable patch reflectors. (C) 2014 Optical Society of America
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