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Shortening and standardizing the pulse shape of piezoelectric transducers in the Megahertz region

: Hullin, C.; Rieder, Hans; Welsch, H.-J.

Fulltext urn:nbn:de:0011-px-333658 (1.9 MByte PDF)
MD5 Fingerprint: 94b5d48852587885a7059a35a04e5963
Created on: 13.7.2018

Ultrasonics International '83. Proceedings
Kent: Butterworth and Co. (Publishers), 1983
Ultrasonics International <1983>
Conference Paper, Electronic Publication
Fraunhofer IZFP ()

The optimization of ultrasonic pulse shape by digitally generated excitation functions is demonstrated. Experiments show correspondence of objective function and easured pulse shape. Shortening of pulses down to 1/5 of "natural" -20 dB idth was achieved. The enhanced axial resolution can be useful in nondestructive testing and medical diagnosis with ultrasonics.