Photons Plus Ultrasound: Imaging and Sensing 2022 2022
DOI: 10.1117/12.2610342
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Noise considerations in piezoelectric transparent ultrasound transducers for photoacoustic imaging applications

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“…Despite these advantages, their transparent nature necessitates transparent electrodes, matching layers, and backing layers, which can be sub optimal, reducing overall sensitivity. 19 An often-overlooked issue is the electrical impedance mismatch between transducer and recording systems which usually include amplifiers and data acquisition devices. While it is possible to achieve a close match between the electrical impedance of the transducer and recording devices by varying the transducer's overall size, this limits the flexibility in choosing crystal sizes for optimal performance.…”
Section: Introductionmentioning
confidence: 99%
“…Despite these advantages, their transparent nature necessitates transparent electrodes, matching layers, and backing layers, which can be sub optimal, reducing overall sensitivity. 19 An often-overlooked issue is the electrical impedance mismatch between transducer and recording systems which usually include amplifiers and data acquisition devices. While it is possible to achieve a close match between the electrical impedance of the transducer and recording devices by varying the transducer's overall size, this limits the flexibility in choosing crystal sizes for optimal performance.…”
Section: Introductionmentioning
confidence: 99%