In photoacoustic imaging, the angular reception performance of ultrasonic transducers is a critical parameter to be considered for system designers. The quantitative comparison between cMUT and PZT emphasizes the difference between the transducer requirements and specifications between conventional ultrasound and photoacoustic imaging. In this present work, we show significant benefits of cMUT based array transducers over conventional PZT arrays for the improvement of quality in photoacoustic imaging systems.
O. Warshavski, C. Meynier, N. Sénégond, P. Chatain, Johannes Rebling, Johannes Rebling, Daniel Razansky, Daniel Razansky, N. Felix, and A. Nguyen-Dinh, "Experimental evaluation of cMUT and PZT transducers in receive only mode for photoacoustic imaging," Proc. SPIE 9708, Photons Plus Ultrasound: Imaging and Sensing 2016, 970830 (Presented at SPIE BiOS: February 17, 2016; Published: 15 March 2016); https://doi.org/10.1117/12.2211799.
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Study of self-shadowing effect as a simple means to realize nanostructured thin films and layers with special attentions to birefringent obliquely deposited thin films and photo-luminescent porous silicon