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Physical source realization of complex source pulsed beams

Heyman1, Lomakin, Kaiser

  • 1Department of Electrical Engineering-Physical Electronics, Tel-Aviv University, Israel. heyman@eng.tau.ac.il

The Journal of the Acoustical Society of America
|May 2, 2000
PubMed
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This study explores the physical realization of complex source pulsed beams (CSPB), which are exact wave-packet solutions. Researchers derived acoustic source distributions that generate CSPB, focusing on well-collimated beams.

Area of Science:

  • Physics
  • Acoustics
  • Wave Phenomena

Background:

  • Complex source pulsed beams (CSPB) are exact wave-packet solutions to the time-dependent wave equation.
  • Mathematical models represent CSPB as radiation from a pulsed point source at a complex space-time coordinate.
  • The physical realization of these beams requires understanding the source distribution in real space.

Purpose of the Study:

  • To investigate the physical source realization of complex source pulsed beams (CSPB).
  • To derive exact expressions for acoustic source distributions that generate CSPB in real coordinate space.
  • To analyze the power and energy flux near these sources, with emphasis on well-collimated beams.

Main Methods:

  • Derivation of exact expressions for acoustic source distributions in real coordinate space.

Related Experiment Videos

  • Analysis of power and energy flux in the vicinity of the physical sources.
  • Development of simplified source functions and parametrization for well-collimated CSPB.

    • Main Results:

    • The physical realization of CSPB involves source distributions with finite support in real space.
    • Exact expressions for the acoustic source distribution generating CSPB were derived.
    • Simplified source functions were developed for the specific case of well-collimated CSPB.

    Conclusions:

    • The physical generation of complex source pulsed beams (CSPB) is achievable through specific source distributions in real space.
    • The study provides a framework for understanding the acoustic and potentially electromagnetic realization of CSPB.
    • Simplified models are presented for practical applications involving well-collimated CSPB.