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Proceedings Article

Diffraction-limited beams and their applications for ultrasonic imaging and tissue characterization (Invited Paper)

[+] Author Affiliations
Jian-yu Lu, James F. Greenleaf

Mayo Clinic and Foundation (USA)

Proc. SPIE 1733, New Developments in Ultrasonic Transducers and Transducer Systems, 92 (November 5, 1992); doi:10.1117/12.130590
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From Conference Volume 1733

  • New Developments in Ultrasonic Transducers and Transducer Systems
  • Frederick L. Lizzi
  • San Diego, CA | July 19, 1992

abstract

Diffraction-limited beams were first discovered by Durnin in 1987. These beams are pencil- like and have very large depth of field. Recently, we have discovered new families of diffraction-limited beams which contain some of the diffraction-limited beams known previously, such as, the plane wave and Durnin's Bessel beams, in addition to an infinite variety of new beams, such as X waves. In this paper, we generalize the new diffraction- limited beams to n-dimensional space, review the recent development of the diffraction-limited beams, and describe their applications to medical ultrasonic imaging, tissue characterization and nondestructive evaluation of materials. Advantages and disadvantages of these beams are discussed and their possible applications to other wave related fields are addressed.

© (1992) COPYRIGHT SPIE--The International Society for Optical Engineering. Downloading of the abstract is permitted for personal use only.
Citation

Jian-yu Lu and James F. Greenleaf
"Diffraction-limited beams and their applications for ultrasonic imaging and tissue characterization (Invited Paper)", Proc. SPIE 1733, New Developments in Ultrasonic Transducers and Transducer Systems, 92 (November 5, 1992); doi:10.1117/12.130590; http://dx.doi.org/10.1117/12.130590


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