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Three-dimensional Optical-resolution Photoacoustic Microscopy
Published on: May 3, 2011
Acoustic imaging of objects buried in soil
C H Frazier1, N Cadalli, D C Munson
1Department of Electrical and Computer Engineering, University of Illinois at Urbana-Champaign, 61801, USA. hillsley@brl.uiuc.edu
The Journal of the Acoustical Society of America
|August 3, 2000
Summary
This study presents an acoustic imaging system for high-resolution subsurface object detection. The technology aids in rapidly assessing the historical significance of potential construction sites by imaging buried cultural artifacts.
Area of Science:
- Geophysics
- Archaeological Science
- Acoustic Imaging
Background:
- Assessing historical significance of construction sites requires non-invasive methods.
- Current methods for subsurface object detection can be time-consuming and costly.
Purpose of the Study:
- To develop and demonstrate an acoustic system for high-resolution imaging of buried objects.
- To enable rapid assessment of cultural artifacts at potential construction sites.
Main Methods:
- An acoustic imaging system was constructed using a single element source transducer and a receiver array.
- Data was collected by moving the source and receiver array along a linear path.
- Delay-and-sum beamforming and synthetic aperture theory were applied to process acquired signals.
Main Results:
- Preliminary B-mode images of targets within a soil phantom were successfully obtained.
- The developed mathematical model and software can simulate acquired signals.
- The system demonstrates potential for high-resolution subsurface imaging.
Conclusions:
- The developed acoustic system shows promise for non-invasive, high-resolution imaging of buried objects.
- This technology can facilitate rapid assessment of historical significance at construction sites.
- Further development could enhance imaging capabilities for archaeological applications.
