• microstructure
  • Equation for the Radiation Force 111 5.5.3 Oscillations of a Microparticle under the Action of a Nonlinear Force 112 6 Investigation of the Local Properties and Microstructure of Model Systems and Composites by the Acoustic Microscopy Methods 119 6.1 Study of the Viscoelastic Properties of Model Collagen Systems by the Acousto-Microscopic Methods. (whsmith.co.uk)
  • Degree in Physical-Mathematical Sciences with Special Recognition (in the Methods of Acoustic Microscopy of Investigation of Microstructure, Physical and Chemical Properties of Materials) from the Russian Academy of Sciences for the body of work he had so far produced in his career, and in 2005 he received a Full Professorship in Physics from the Government of the Russian Federation. (wikipedia.org)
  • transducer
  • 4. The method as claimed in claim 1 wherein the bursts of electromagnetic energy are pulses of laser light and wherein the absorbing layer is a material layer of the opto-acoustic transducer. (google.com)
  • 5. The method as claimed in claim 4 wherein the absorbing layer of the opto-acoustic transducer is a thin metallic film. (google.com)
  • 6. The method as claimed in claim 5 wherein the opto-acoustic transducer includes an optically semi-transparent substrate layer having a thickness of approximately λ/4 and wherein the metallic film is formed as a surface layer on the substrate layer. (google.com)
  • Samples need no special treatment before acoustic imaging, but they should be able to withstand at least brief exposure to water or to another fluid, since air is a very poor transmitter of high frequency acoustic energy from the transducer. (wikipedia.org)
  • The acoustic image of the plastic-encapsulated IC below was made using a 30 MHz transducer because this frequency provides a good compromise between penetration and image resolution. (wikipedia.org)
  • Acoustic attenuation Acoustic levitation Acoustic streaming Acousto-electric effect Acousto-optics Elastic waves Interdigital transducer Longitudinal wave Love wave Nonlinear acoustics Picosecond ultrasonics Sonoluminescence Rayleigh wave Shear wave Sound absorption Sound velocity Thermoacoustics Blackstock, D.T. (2000), Fundamentals of Physical Acoustics, New York: Wiley, ISBN 0471319791 Pierce, A.D. (1989), Acoustics: An Introduction to its Physical Principles and Applications, Acoustical Society of America, ISBN 0883186128 Mason, W.P. (wikipedia.org)
  • Investigation
  • For a better understanding of the possible contribution of SAM to applied microscopy in general, the nature of information obtained by SAM in comparison with modern light microscopy, i.e. the fundamental character of the interaction of acoustic waves with the elastic properties of microscopical properties under investigation is discussed. (spie.org)
  • waves
  • 3. The method as claimed in claim 2 wherein the acoustic waves have a primary wavelength, λ, and wherein the method further comprises the step of focusing the pulses of laser light so that each thermal pulse is generated at an area of the absorbing layer approximately equal to λ 2 so that the acoustic sound waves are spherical waves. (google.com)
  • This emits longitudinal acoustic waves into the sample, causing out-of-plane vibrations in the sample's surface. (wikipedia.org)
  • An acoustic interferometer is an instrument, using interferometry, for measuring the physical characteristics of sound waves in a gas or liquid. (wikipedia.org)
  • The first one concerns understanding how the physical properties of a medium (solid, liquid, or gas) influence the propagation of acoustic waves in this medium in order to use this knowledge for practical purposes. (wikipedia.org)
  • The interference of these waves forms surface acoustic standing waves. (wikipedia.org)
  • pulse
  • Prokaznikov, A. 2004-10-10 00:00:00 In-depth analysis of the propagation of an acoustic signal excited by a short radio pulse is performed. (deepdyve.com)
  • The portion of the pulse that is reflected is determined by the acoustic impedance, Z, of the each material that meets at the interface. (wikipedia.org)
  • The `time of flight' of the pulse is defined as the time taken for it to be emitted by an acoustic source, scattered by an object and received by the detector, which is usually coincident with the source. (wikipedia.org)
  • Surface
  • The perturbations to phase and amplitude of the surface acoustic standing wave are locally monitored by the antenna via the lock-in approach and the SPM electronic module. (wikipedia.org)
  • surfaces
  • This award is in recognition of your many outstanding achievements in various scanned probe microscopy techniques and their applications to the study of the mechanical and structural properties of surfaces over a very wide dimensional scale. (wikipedia.org)
  • 94(11): p. 3787-3792 Goodman, O. and B. Derby, The mechanical properties of float glass surfaces measured by nanoindentation and acoustic microscopy. (wikipedia.org)
  • mechanical
  • However, current 3D confocal microscopy is based on an inherently slow stepwise process that consists of acquiring multiple 2D sections at different focal planes by mechanical or optical z-focus translation. (osapublishing.org)
  • uses
  • The technique uses inelastic scattering of light when it encounters acoustic phonons in a crystal, a process known as Brillouin scattering, to determine phonon energies and therefore interatomic potentials of a material. (wikipedia.org)