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

Jian-yu Lu; James F. Greenleaf

doi:10.1117/12.130590

5 November 1992 Diffraction-limited beams and their applications for ultrasonic imaging and tissue characterization (Invited Paper)

Jian-yu Lu, James F. Greenleaf

Author Affiliations +

Proceedings Volume 1733, New Developments in Ultrasonic Transducers and Transducer Systems; (1992) https://doi.org/10.1117/12.130590
Event: San Diego '92, 1992, San Diego, CA, United States

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.

Citation Download 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, (5 November 1992); https://doi.org/10.1117/12.130590

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