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      • Department of Electrical and Electronics Engineering
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      Double-sided split-step MM-wave Fresnel lenses: design, fabrication and focal field measurements

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      Author
      Yurchenko, V. B.
      Ciydem, M.
      Gradziel, M.
      Murphy, J. A.
      Altintas, A.
      Date
      2014-09
      Source Title
      Journal of the European Optical Society
      Print ISSN
      1990-2573
      Publisher
      European Optical Society : Rapid Publications
      Volume
      9
      Issue
      14007
      Pages
      1 - 5
      Language
      English
      Type
      Article
      Item Usage Stats
      109
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      Abstract
      Design, fabrication and focal field measurements of W-band Fresnel lenses to produce well-shaped Gaussian beams in the focal domain are presented. Two lenses, one of Teflon and another of Polyamide, have been compared in their performance with a double-sided Fresnel lens of different design, with full height of Fresnel steps. Experiments show that a good focusing ability of all the lenses is achieved. They produce the target beam according to the design. Yet, the lenses of split-step design are thinner, have lower insertion losses, and a greater focal depth as compared to more conventional Fresnel lenses.
      Keywords
      Fresnel Lenses
      Focal Fields
      Gaussian Beam
      Mm-wave
      Thz Applications
      Permalink
      http://hdl.handle.net/11693/11642
      Published Version (Please cite this version)
      http://dx.doi.org/ 10.2971/jeos.2014.14007
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      • Department of Electrical and Electronics Engineering 3524
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