• DocumentCode
    3752714
  • Title

    Extended depth of field for laser-scanning barcode reader with wavefront coding

  • Author

    W. Hashimoto;H. Sugita;S. Komatsu

  • Author_Institution
    Department of Applied Physics, Waseda University, 3-4-1 Okubo, Shinjuku, Tokyo 169-8555, Japan
  • fYear
    2015
  • Firstpage
    1
  • Lastpage
    2
  • Abstract
    We achieved a significant extension of the depth of field for a laser-scanning barcode reader by wavefront coding with a cubic phase mask. If the present method is adopted in a laser-scanning barcode reader, a decrease in the frequency of reading failure is expected.
  • Keywords
    "Lenses","Encoding","Laser beams","Measurement by laser beam","Reflection","Microoptics"
  • Publisher
    ieee
  • Conference_Titel
    Microoptics Conference (MOC), 2015 20th
  • Print_ISBN
    978-4-8634-8487-0
  • Type

    conf

  • DOI
    10.1109/MOC.2015.7416494
  • Filename
    7416494