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Proceedings Paper

Mechanical characterization of bone samples by ultrasound holography at 100 MHz
Author(s): H. Hartmann; U. Cobet; W. Grill
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Paper Abstract

Point source ultrasound holography has been applied to small bone samples using a phase sensitive scanning acoustic microscope (PSAM) in transmission at about 100 MHz. Conversion of the phase images into appropriate data matrices and subsequent data processing yielded the angle dependent ultrasound velocities for the observed space sector. The mathematical tools were derived from geometrical considerations and the basic properties of propagating acoustic waves. The results match conventional direction resolved measurements of the sound velocity in bone. However, the presented technique requires only two specimens. The demonstrated results are obtained for sample sizes of 5 × 5 × 0.5 mm3. No chemical or other treatment which could significantly influence the composition of the bone samples is required. The technique is illustrated and the results are demonstrated and discussed.

Paper Details

Date Published: 11 April 2007
PDF: 11 pages
Proc. SPIE 6532, Health Monitoring of Structural and Biological Systems 2007, 65321L (11 April 2007); doi: 10.1117/12.715410
Show Author Affiliations
H. Hartmann, Martin-Luther Univ. of Halle-Wittenberg (Germany)
U. Cobet, Martin-Luther Univ. of Halle-Wittenberg (Germany)
W. Grill, Univ. of Leipzig (Germany)

Published in SPIE Proceedings Vol. 6532:
Health Monitoring of Structural and Biological Systems 2007
Tribikram Kundu, Editor(s)

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