Laser Acoustic Microstructure Analysis at the Micron and Nanometer Length Scale

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Description

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.

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424 Kilobytes pages

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Telschow, K.L. & Hurley, D.H. May 15, 2002.

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Description

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.

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424 Kilobytes pages

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OSTI as DE00797772

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  • 20th Symposium on Energy Engineering Sciences, Argonne, IL (US), 05/20/2002--05/21/2002

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  • Report No.: INEEL/CON-02-00682
  • Grant Number: AC07-99ID13727
  • Office of Scientific & Technical Information Report Number: 797772
  • Archival Resource Key: ark:/67531/metadc734230

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Creation Date

  • May 15, 2002

Added to The UNT Digital Library

  • Oct. 19, 2015, 7:39 p.m.

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  • April 27, 2016, 3:25 p.m.

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Telschow, K.L. & Hurley, D.H. Laser Acoustic Microstructure Analysis at the Micron and Nanometer Length Scale, article, May 15, 2002; Idaho Falls, Idaho. (digital.library.unt.edu/ark:/67531/metadc734230/: accessed November 20, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.