ArticleBiomedical optics express2025
Needle hydrophone-based photoacoustic microscopy with experimentally measured impulse response for improved depth of focus.
Article in Biomedical optics express, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Reconstruction-based acoustic-resolution photoacoustic microscopy (AR-PAM) has been developed to extend the depth of field (DOF), enabling simultaneous observation of structures at multiple depths. However, conventional AR-PAM systems, which rely on focused transducers, face inherent limitations in effectively increasing the DOF. To address this issue, we developed a needle hydrophone (NH)-based AR-PAM system that enables deep imaging with enhanced resolution and improved DOF. The proposed system was validated using tissue-mimicking phantoms and
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