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Imaging of in- and out-of-plane vibrations in micromechanical resonator

  • O. Holmgren*
  • , K. Kokkonen
  • , Tomi Mattila
  • , Ville Kaajakari
  • , Aarne Oja
  • , Jyrki Kiihamäki
  • , J.V. Knuuttila
  • , M.M. Salomaa
  • *Corresponding author for this work
    • Helsinki University of Technology

    Research output: Contribution to journalArticleScientificpeer-review

    Abstract

    Vibrations in a micromechanical 13.1 MHz bulk acoustic mode silicon resonator have been imaged with a scanning Michelson laser interferometer. A novel detection scheme utilizing the Michelson interferometer is developed, which enables imaging the in-plane vibrations in addition to the out-of-plane component. The novel imaging technique is demonstrated by measuring the vibrations of the extensional and Lame modes in a square plate resonator
    Original languageEnglish
    Pages (from-to)121-122
    JournalElectronics Letters
    Volume41
    Issue number3
    DOIs
    Publication statusPublished - 2005
    MoE publication typeA1 Journal article-refereed

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