Laser Acoustic Microstructure Analysis at the Micron and Nanometer Length Scale
Conference
·
OSTI ID:911306
Laser acoustic approaches to investigating the interaction of elastic waves with microstructure in materials is presented that probe both the micron and nanometer length scales. At the micron length scale, a full-field imaging approach is described that provides quantitative measurement of amplitude and phase of the out-of-plane acoustical motion at GHz frequencies. Specific lateral acoustic modes can be identified in addition to the primary thickness mode with spatial resolution sufficient to image wavelengths as small as 4.5 microns.
- Research Organization:
- Idaho National Lab. (INL), Idaho Falls, ID (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- DE-AC07-99ID-13727
- OSTI ID:
- 911306
- Report Number(s):
- INEEL/CON-02-00682
- Resource Relation:
- Conference: 20th Symposium on Energy Engineering Sciences,Argonne, IL,05/20/2002,05/21/2002
- Country of Publication:
- United States
- Language:
- English
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