✦ LIBER ✦

Focused transducer beams in tissue-mimicking material

✍ Scribed by James A. Zagzebski; Richard A. Banjavic; Ernest L. Madsen; Mark Schwabe

Publisher: John Wiley and Sons
Year: 1982
Tongue: English
Weight: 740 KB
Volume: 10
Category: Article
ISSN: 0091-2751
DOI: 10.1002/jcu.1870100404

No coin nor oath required. For personal study only.

✦ Synopsis

Abstract

A comparison is made between pulse echo response profiles obtained in water and profiles obtained in a tissue‐mimicking (TM) material for clinical ultrasound transducers. The TM material is assumed to provide a more accurate indication of actual beam profiles in soft tissue because of the presence of frequency‐dependent attenuation in the material. Pulse echo response profiles measured in the TM medium demonstrate a reduction in the focal distance and degraded resolution distal to the focal distance, in comparison to profiles obtained in water.

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