Fabrication of a spherical focusing ultrasonic transducer based on polyvinylidene fluoride (PVDF) piezoelectric thin film and its application in photoacoustic imaging
Qianyu Zhang, Chao Tao, Xiaojun Liu
Journal of Nanjing University(Natural Sciences) . 2025, (5): 763 -771 .  DOI: 10.13232/j.cnki.jnju.2025.05.005

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