Electronic Resource
Woodbury, NY
:
American Institute of Physics (AIP)
Applied Physics Letters
54 (1989), S. 1639-1641
ISSN:
1077-3118
Source:
AIP Digital Archive
Topics:
Physics
Notes:
The performance of an acoustic microscope lens is reported that permits both Rayleigh wave velocity measurement of anisotropic media as well as raster-scanned imaging. The lens surface is spherical and uses a circular p-wave transducer; however, an acoustic absorbing layer is applied to the spherical surface in order to limit the angular range over which Rayleigh waves are launched. When operated at 50 MHz, a lens having a slot-like aperture of 0.8 mm width permits measurement of VR (θ) of y-cut quartz with a maximum error of less than 2%. The same system employed in imaging provides spatial resolution of about one wavelength in a direction parallel to the axis of the slot and between two and three wavelengths in the perpendicular direction.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.101309
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