IEEE - Institute of Electrical and Electronics Engineers, Inc. - Frequency-adjusted Fresnel lens design for a broadband transducer with varying thickness

2008 IEEE International Ultrasonics Symposium

Author(s): Sheng-Yung Chen ; Jian-Hung Liu ; Pai-Chi Li
Publisher: IEEE - Institute of Electrical and Electronics Engineers, Inc.
Publication Date: 1 November 2008
Conference Location: Beijing, China
Conference Date: 2 November 2008
Page(s): 1,789 - 1,792
ISBN (CD): 978-1-4244-2480-1
ISBN (Paper): 978-1-4244-2428-3
DOI: 10.1109/ULTSYM.2008.0439
Regular:

Fresnel lens design has been used for annular arrays. In this case, the surface area of each concentric ring is the same. By doing so, the phase shift between adjacent transducer elements remains... View More

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