Fig. 4: High-resolution imaging of tissue-mimicking phantom using a 128-element flexible polymer array transducer. | Nature Communications

Fig. 4: High-resolution imaging of tissue-mimicking phantom using a 128-element flexible polymer array transducer.

From: Flexible large-area ultrasound arrays for medical applications made using embossed polymer structures

Fig. 4

a Measured transmit and receive transfer functions versus frequency. b Area uniformity of the peak transmit transfer at 8.2 MHz at the transducer surface. The color scale indicates the peak transmit transfer in Pa/V. c B-mode image captured with plane wave compounding. The gray scale indicates the intensity in dB.

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