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High-frequency acoustic imaging using adhesive-free polymer transducer

Permanent link
https://hdl.handle.net/10037/24242
DOI
https://doi.org/10.3390/polym13091462
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Date
2021-04-30
Type
Journal article
Tidsskriftartikkel
Peer reviewed

Author
Ranjan, Abhishek; Peng, Chengxiang; Wagle, Sanat; Melandsø, Frank; Habib, Anowarul
Abstract
The piezoelectric polymer PVDF and its copolymers have a long history as transducer materials for medical and biological applications. An efficient use of these polymers can potentially both lower the production cost and offer an environment-friendly alternative for medical transducers which today is dominated by piezoelectric ceramics containing lead. The main goal of the current work has been to compare the image quality of a low-cost in-house transducers made from the copolymer P(VDF-TrFE) to a commercial PVDF transducer. Several test objects were explored with the transducers used in a scanning acoustic microscope, including a human articular cartilage sample, a coin surface, and an etched metal film with fine line structures. To evaluate the image quality, Cand B-scan images were obtained from the recorded time series, and compared in terms of resolution, SNR, point-spread function, and depth imaging capability. The investigation is believed to provide useful information about both the strengths and limitations of low-cost polymer transducers.
Is part of
Ranjan, A. (2025). Ultrasound & Photoacoustic Microscopy for Biomedical Applications. (Doctoral thesis). https://hdl.handle.net/10037/36999
Publisher
MDPI
Citation
Ranjan, Peng, Wagle, Melandsø, Habib. High-frequency acoustic imaging using adhesive-free polymer transducer. Polymers. 2021;13(9)
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