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Two Applications of Microwave Acoustics in Liquid Helium: High Resolution Microscopy and Direct Measurement of Phonon Dispersion

  • D. Rugar
Part of the Springer Series in Solid-State Sciences book series (SSSOL, volume 51)

Abstract

During the past three years, ultrasonic techniques have been developed at Stanford University for efficient generation and detection of multi-gigahertz sound waves in liquid helium. This paper discusses two applications of these techniques: high resolution acoustic microscopy and direct measurement of low energy phonon dispersion. We begin with acoustic microscopy.

Keywords

Liquid Helium Phonon Dispersion Coupling Fluid Acoustic Microscopy Coherent Phonon 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer-Verlag Berlin Heidelberg 1984

Authors and Affiliations

  • D. Rugar
    • 1
  1. 1.Department of Applied Physics, Edward L. Ginzton LaboratoryStanford UniversityStanfordUSA

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