Optical ultrasound sensors for photoacoustic imaging: a review
Liying Zhu,
Hongming Cao,
Jun Ma
et al.
Abstract:.
Significance
Photoacoustic (PA) imaging is an emerging biomedical imaging modality that can map optical absorption contrast in biological tissues by detecting ultrasound signal. Piezoelectric transducers are commonly used in PA imaging to detect the ultrasound signals. However, piezoelectric transducers suffer from low sensitivity when the dimensions are reduced and are easily influenced by electromagnetic interference. To avoid these limitations, various optical ultrasound sensors … Show more
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