Metrology of ultrasound sources and their fields

  • combination of computer simulations and hydrophone measurements for characterization of nonlinear ultrasound fields
  • calibration of broadband hydrophones
  • visualization of ultrasound fields using optical methods
  • infrared (IR) thermometry for ultrasound intensity measurements
  • total power measurement of megahertz range ultrasound transducers using radiation force balance approach

Publications

Ref. Articles

  1. O.A. Sapozhnikov, M.A. Smagin
    "Finding the dispersion relations for Lamb-type waves in a concave piezoelectric plate by optical visualization of the ultrasound field radiated into a fluid"

    Acoustical Physics

    61
    2
    181-187
  2. О.A. Sapozhnikov, S.A. Tsysar, V.A. Khokhlova, W. Kreider
    "Acoustic holography as a metrological tool for characterizing medical ultrasound sources and fields"

    The Journal of the Acoustical Society of America

    138
    3
    1515-1532
  3. Gavrilov L.R., Sapozhnikov O.A., Khokhlova V.A.
    "Spiral arrangement of elements of two-dimensional ultrasonic therapeutic arrays as a way of increasing the intensity at the focus"

    Bulletin of the Russian Academy of Sciences. Physics

    79
    10
    1232–1237