High-overtone Self-Focusing Acoustic Transducers for High Frequency Ultrasonic Doppler

This work reports the potential use of high-overtone self-focusing acoustic transducers for high frequency ultrasonic Doppler. By using harmonic frequencies of a thick bulk Lead Zirconate Titanate (PZT) transducer with a novel air-reflector Fresnel lens, we obtained strong ultrasound signals at 60 M...

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Main Authors: Zhu, Jie, Lee, Chuangyuan, Kim, Eun Sok, Wu, Dawei, Hu, Changhong, Zhou, Qifa, Shung, K. Kirk., Wang, Gaofeng, Yu, Hongyu
Format: Artigo
Sprog:Inglês
Udgivet: 2010
Fag:
Article
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC2856643/
https://ncbi.nlm.nih.gov/pubmed/20206371
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.ultras.2010.02.002
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