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Holograms for shaping radio-wave fields

  • Janne Salo*
  • , Johanna Meltaus
  • , Eero Noponen
  • , Martti M. Salomaa
  • , Anne Lönnqvist
  • , Tomi Koskinen
  • , Ville Viikari
  • , Jussi Säily
  • , Janne Häkli
  • , Juha Ala-Laurinaho
  • , Juha Mallat
  • , Antti V. Räisänen
  • *Corresponding author for this work
  • Aalto University

Research output: Contribution to journalArticleScientificpeer-review

Abstract

Holograms-diffractive elements-are designed and fabricated for shaping millimetre-wave radio fields. Methods for the synthesis of hologram elements are discussed and several beam shapes are tested: plane waves, radio-wave vortices and Bessel beams. Here we present an overview of the methods applied and results obtained with quasi-optical hologram techniques using both amplitude and phase holograms.

Original languageEnglish
Article numberS161
JournalJournal of Optics A: Pure and Applied Optics
Volume4
Issue number5
DOIs
Publication statusPublished - 1 Sept 2002
MoE publication typeA1 Journal article-refereed

Keywords

  • Bessel beams
  • Holographic gratings
  • Millimetre-wave technology
  • Radio-wave vortices

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