Photoacoustic computed tomography (PACT) can harvest diffusive photons to image the
optical absorption contrast of molecules in a scattering medium, with ultrasonically-defined …

Significance Photoacoustic (PA) imaging is an imaging modality that integrates anatomical,
functional, metabolic, and histologic insights. It has been a hot topic of medical research and …

Piezoelectric ultrasound transducers are constrained by size, bandwidth, and angular
response, limiting their ability to fully characterize the acoustic properties of objects. In this …

Ultrasound is widely used in medical imaging, and emerging photo-acoustic imaging is
crucial for disease diagnosis. Currently, high-end photo-acoustic imaging systems rely on …

Significance Optical-resolution optoacoustic microscopy (OR-OAM) enables label-free
imaging of the microvasculature by using optical pulse excitation and acoustic detection …

Optical waveguide ring resonators (OWRRs) with high quality factor can greatly enhance the
interaction between light and matter, which shows great advantages in optical sensing and …

Many applications, including medical diagnostics, sonar and navigation rely on the detection
of acoustic waves. Photonic hydrophones demonstrate comparable sensitivity to …

Ultrasound and photoacoustic imaging are important imaging modalities with significant
applications in clinical diagnosis and biomedical research. However, current capacitive and …