An integrated Ring CMUT array for endoscopic ultrasound and photoacoustic imaging

@article{Nikoozadeh2013AnIR,
  title={An integrated Ring CMUT array for endoscopic ultrasound and photoacoustic imaging},
  author={Amin Nikoozadeh and Chienliu Chang and Jung Woo Choe and Anshuman Bhuyan and Byung Chul Lee and Azadeh Moini and Pierre T. Khuri-Yakub},
  journal={2013 IEEE International Ultrasonics Symposium (IUS)},
  year={2013},
  pages={1178-1181}
}
This work presents our preliminary results on developing an integrated quad-ring CMUT array for endoscopic ultrasound and photoacoustic imaging. We have designed and fabricated a ring capacitive micromachined ultrasonic transducer (CMUT) array composed of 512 elements distributed among four concentric rings each having 128 elements. The operational frequency of each ring was chosen to achieve a similar pressure beam profile for all the rings. The device's inner and outer diameters measure 5.0… CONTINUE READING
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