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Modulated metasurface array for photonic beam steering at W band

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  • معلومة اضافية
    • Contributors:
      Institut d'Électronique et des Technologies du numéRique (IETR); Université de Rennes (UR)-Institut National des Sciences Appliquées - Rennes (INSA Rennes); Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-CentraleSupélec-Centre National de la Recherche Scientifique (CNRS)-Nantes Université - pôle Sciences et technologie; Nantes Université (Nantes Univ)-Nantes Université (Nantes Univ); Institut des Fonctions Optiques pour les Technologies de l'informatiON (FOTON); Institut National des Sciences Appliquées (INSA)-Institut National des Sciences Appliquées (INSA)-École Nationale Supérieure des Sciences Appliquées et de Technologie (ENSSAT)-Centre National de la Recherche Scientifique (CNRS); European Union through the European Regional Development Fund (ERDF); French region of Brittany, Ministry of Higher Education and Research, Rennes Metropole and Conseil Departemental 35, through the CPER Project SOPHIE / STIC Ondes; National Research Agency ANR-10-LABX-0007-01; ANR-10-LABX-0007,COMIN Labs,Digital Communication and Information Sciences for the Future Internet(2010)
    • بيانات النشر:
      HAL CCSD
      IEEE
    • الموضوع:
      2023
    • Collection:
      Université de Rennes 1: Publications scientifiques (HAL)
    • الموضوع:
      Florence; Italy
    • الموضوع:
      Florence, Italy
    • نبذة مختصرة :
      International audience ; This contribution presents a photonically excited modulated metasurface array, which enables one dimensional beam steering with a medium-to-high gain in the sub-THz range. The designed array consists of four rectangular sub-arrays separated 1.16x lambda(0), with lambda(0) being the free-space wavelength at 100 GHz. This spacing permits a scanning range of +/-5 degrees without grating lobes. The sub-arrays radiate at broadside and are excited at their center by a simple substrate integrated waveguide (SIW) circuit. The excitation consists in a Uni-Traveling-Carrier photodiodes (UTC-PD) connected to a wideband DC biasing network. The structure at hand exhibits 26 dB of gain with a 3% relative gain bandwidth, enables power-combining and it is easily scalable for higher gains.
    • Relation:
      hal-04223033; https://hal.science/hal-04223033; https://hal.science/hal-04223033/document; https://hal.science/hal-04223033/file/2nd%20version%20-%20Uploaded.pdf
    • الرقم المعرف:
      10.23919/EuCAP57121.2023.10133650
    • الدخول الالكتروني :
      https://hal.science/hal-04223033
      https://hal.science/hal-04223033/document
      https://hal.science/hal-04223033/file/2nd%20version%20-%20Uploaded.pdf
      https://doi.org/10.23919/EuCAP57121.2023.10133650
    • Rights:
      info:eu-repo/semantics/OpenAccess
    • الرقم المعرف:
      edsbas.59999352