一维超声阵列:激光干涉测量的性能评价与表征

2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121) Pub Date : 2000-10-22 DOI:10.1109/ULTSYM.2000.921536

N. Felix, D. Certon, L. Ratsimandresy, M. Lethiecq, F. Patat

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引用次数: 18

摘要

目前，超声医学成像对换能器性能的评价和优化要求越来越高。传统的工具和设置在超声成像换能器的完整评估和表征方面受到限制，例如在交叉耦合(辐射和非辐射)的分析中。提出了一种利用激光干涉测量超声阵列换能器振动的方法。该方法使阵列设计人员能够完美地表征声换能器，并有助于超声成像阵列换能器的带宽，交叉耦合和灵敏度的先进优化。

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1D ultrasound array: performance evaluation and characterization by laser interferometry

Nowadays, ultrasound medical imaging is more and more demanding with respect to transducer performance evaluation and optimization. Conventional tools and setups are limited in the complete evaluation and characterization of ultrasound imaging transducer, for example in the analysis of cross coupling (radiating and nonradiating). A vibration measurement method for ultrasonic array transducer using laser interferometry is presented. This method allows array designers to perfectly characterize the acoustic transducer, and contributes to the advanced optimization of bandwidth, cross coupling and sensitivity of ultrasound imaging array transducers.

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2000 IEEE Ultrasonics Symposium. Proceedings. An International Symposium (Cat. No.00CH37121)

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