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      Dynamic beam splitter employing an all-dielectric metasurface based on an elastic substrate

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      Author(s)
      Koçer, Hasan
      Durna, Y.
      Kurt, H.
      Özbay, Ekmel
      Date
      2020
      Source Title
      Optics Letters
      Print ISSN
      0146-9592
      Publisher
      OSA - The Optical Society
      Volume
      45
      Issue
      13
      Pages
      3521 - 3524
      Language
      English
      Type
      Article
      Item Usage Stats
      85
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      Abstract
      Beam splitters are an indispensable part of optical measurements and applications. We propose a dynamic beam splitter incorporating all-dielectric metasurface in an elastic substrate under external mechanical stimulus of stretching. The optical behavior at 720 nm wavelength shows that it can be changed from a pure optical-diode-like behavior to a dynamic beam splitter. Although the structure is designed running at 720 nm, the design approach with appropriate materials can be used at any wavelength. Various cases, including wavelength and polarization dependencies, are thoroughly investigated to demonstrate the principles of operating conditions of two different regimes of the designed metasurface.
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      http://hdl.handle.net/11693/75747
      Published Version (Please cite this version)
      https://dx.doi.org/10.1364/OL.392872
      Collections
      • Department of Electrical and Electronics Engineering 4011
      • Department of Physics 2550
      • Institute of Materials Science and Nanotechnology (UNAM) 2258
      • Nanotechnology Research Center (NANOTAM) 1179
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