Department of Physics

Department News

Physics Colloquium September 23rd

Sep 14, 2011


Speaker: Dr. Timothy Stiles
Date: September 23, 2011 (Friday)
Time: 4 PM
Room: 205 Currens Hall

New Methods in Ultrasound Imaging

Ultrasound imaging has been a useful medical tool since the mid 1970's. Since its introduction, the basic method of using echo signals to create an image has not changed significantly. In the past few years, computer analysis of echo signals has offered new methods in using ultrasound signals to detect subtle changes in tissue. These methods include tissue characterization by measuring acoustic properties, such as speed of sound, attenuation and scattering and ultrasound elastography to measure mechanical properties of tissue. I will describe the current state of the art in ultrasound imaging, the advances on the horizon, and the ongoing research conducted at my laboratory. The physics and engineering of ultrasound imaging offers many challenges and opportunities to improve and extend diagnosis of various diseases.
About the speaker:
Dr. Timothy Stiles is an Assistant Professor of Physics at Monmouth College. His research has focused on methods of performing quantitative ultrasound imaging, the physics of nonlinear acoustic propagation, and ultrasound exposure safety and measurement. He received his Ph.D in Medical Physics from the University of Wisconsin-Madison in 2005 and his B.A. in Physics from Grinnell College.

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