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Realization and validation of continuous tunable metasurface for high resolution beam steering reflector at K‐band frequency
Author(s) -
Rotshild David,
Abramovich Amir
Publication year - 2021
Publication title -
international journal of rf and microwave computer‐aided engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.335
H-Index - 39
eISSN - 1099-047X
pISSN - 1096-4290
DOI - 10.1002/mmce.22559
Subject(s) - reflector (photography) , varicap , beam steering , reflection (computer programming) , optics , realization (probability) , calibration , frequency band , beam (structure) , angular resolution (graph drawing) , phase (matter) , physics , computer science , antenna (radio) , telecommunications , light source , statistics , mathematics , electrode , quantum mechanics , combinatorics , capacitance , programming language
The realization and validation of a new reconfigurable metasurface high‐resolution steering reflector for K‐band are presented. The continuous tuning is achieved by integrating a varactor diode with each metasurface unit cell. This approach is shown in many studies, but not above Ku‐band, because of implementation difficulties. This letter presents design considerations, reflection simulations, and reflection measurements of a new resonant unit cell at K‐band, used for reconfigurable metasurface steering reflector. The reflection steering method and the reflection phase calibration are presented. Finally, the experimental far‐field results are provided to validate the continuous beam‐steering reflector performances in various frequencies at K‐band, with large‐angle steering, high resolution, and wide‐incident‐angular‐range abilities.