Referenced Items are not available for this document.
A simple approximate formula is presented to describe the relationship between the physical focal lengths and the geometric focal lengths of spherically focused transducers with ultrasonic fields. This simple expression applies regardless of whether the focus strength is strong or weak, and regardless of whether the fluids are non-attenuating or attenuating. Analysis results show that the average error of the simple approximate formula is certainly less than 2% relative to the numerical solution.
Published in:
Ultrasonics, Ferroelectrics and Frequency Control, IEEE Transactions on
(Volume:56
,
Issue:
12
)
Date of Publication: December 2009
- Page(s):
- 2764 - 2768
- ISSN :
- 0885-3010
- INSPEC Accession Number:
- 11024850
- Digital Object Identifier :
- 10.1109/TUFFC.2009.1368
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 28 December 2009
- Issue Date :
- December 2009
- Sponsored by :
- IEEE Ultrasonics, Ferroelectrics, and Frequency Control Society
- PubMed ID :
- 20040414
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