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Applied Physics Letters / Volume 97 / Issue 5 / INTERDISCIPLINARY AND GENERAL PHYSICS

Appl. Phys. Lett. 97, 054101 (2010); http://dx.doi.org/10.1063/1.3475926 (2 pages)

Phase changes of ultrasonic bulk waves through focusing measured using a noncontact ultrasonic method

S. Dixon, T. J. Harrison, and P. A. Petcher

Department of Physics, University of Warwick, Coventry CV4 7AL, United Kingdom

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(Received 5 March 2010; accepted 14 July 2010; published online 2 August 2010)

Focusing an ultrasonic surface or bulk wave to a point can maximize the amount of ultrasonic energy at a point and increase the sensitivity of a measurement. Using a noncontact, ultrasonic method we focus an ultrasonic bulk wave pulse in a sample, using the surface profile of the sample itself to focus the wave. Experiments and modeling confirm that the wave pulse undergoes a phase shift on passing through the focal point.

© 2010 American Institute of Physics

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KEYWORDS and PACS

Keywords

surface acoustic waves, ultrasonic waves

PACS

ARTICLE DATA

Digital Object Identifier
http://dx.doi.org/10.1063/1.3475926

PUBLICATION DATA

ISSN

0003-6951 (print)  
1077-3118 (online)

Publisher

$abstract.society.value is a Member of CrossRef American Institute of Physics

For access to fully linked references, you need to log in.
    C. K. Jen, P. Cielo, J. Bussiere, F. Nadeau, and G. W. Farnell, Appl. Phys. Lett. 46, 241 (1985)APPLAB000046000003000241000001.

    N. C. R. Holme, B. C. Daly, M. T. Myaing, and T. B. Norris, Appl. Phys. Lett. 83, 392 (2003)APPLAB000083000002000392000001.

    S. Dixon, M. Fletcher, and G. Rowlands, J. Appl. Phys. 104, 114901 (2008)JAPIAU000104000011114901000001.


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