Optimal focusing through aberrating media: A comparison between time reversal mirror and time delay correction techniques

Proceedings - IEEE Ultrasonics Symposium

Volumn , Issue , 1991, Pages 1195-1199

  Wu, F ^a   Fink, M ^a   Mallart, R ^a   Thomas, J L ^a   Chakroun, N ^a   Cassereau, D ^a   Prada, C ^a  

^a INSTITUT LANGEVIN   (France)

Author keywords

[No Author keywords available]

Indexed keywords

FOCUSING; TIME DELAY; TIMING CIRCUITS; WAVEFRONTS;

AUTOMATIC DETECTION; CORRECTION TECHNIQUES; OPTIMAL FOCUSING; PRECISE FOCUSING; PRIORI KNOWLEDGE; TIME REVERSAL MIRRORS; TRANSDUCER ARRAY; ULTRASONIC BEAMS;

ULTRASONIC APPLICATIONS;

EID: 85043068731     PISSN: 10510117     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1109/ULTSYM.1991.234304     Document Type: Conference Paper

References (8)

1. L. Nock, G. E. Trahey, S. W. Smith. "Phase aberration correction in medical ultrasound using speckle brightness as a quality factor" J. Acoust Soc. Am. vol. 85, pp. 1819-1833 (1989).
2. S. W. Flax, M. O'Donnell. "Phase aberration correction using signals from point reflectors and diffuse scatterers: Basic principles". IEEE trans. Ultras. Ferroelec. Freq. Con. vol 35, pp 758-767 (1988).
3. C. Prada, F. Wu, M. Fink. "The iterative time reversal mirror: a solution to self focusing in pulse-echo mode". J. Acoust. Soc. Am. vol 90(2), pp. 1119-1129 (1991).
4. M. Moshfeghi, R. C. Waag. "In vivo and in vitro ultrasound beam distortion measurements of a large aperture and a conventional aperture focused transducer". Ultrasound in Med. and Biol. vol 14, pp 415-428 (1988).
5. M. Fink, R. Mallart, F. Cancre. "The random phase transducer: a new technique for incoherent processing - Basic principles and theory". IEEE trans. Ultras. Ferroelec. Freq. Con. vol 37, pp. 54-68 (1990).
6. M. Fink, J. F. Cardoso "Diffraction effects in pulse echo measurements". IEEE trans. Sonics Ultrason. vol 31, pp. 313-329 (1984).
7. P. M. Morse, K. U. Ingard, Theoretical acoustics, Mc Graw-Hill 1968.
8. L. D. Landau, E. M. Lifchitz, Fluid Mechanics, Pergamon Press, 1959.