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Photoacoustic Microscopy System Improves SNR, Resolution

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A superresolution localization photoacoustic microscopy (PAM) technique has been developed by a team at Pohang University of Science and Technology (POSTECH). The new system can monitor the flow of red blood cells without using a contrast absorber, enabling it to image blood vessels with exceptional resolution. Spatial resolution is improved by a factor of 2.5 in vivo, the team said. The new system uses a stable, commercially available galvanometer scanner with a custom-made scanning mirror. This novel hardware implementation enhances the temporal resolution of the microscope...Read full article

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