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The acoustic microscope: (A) the transducer is positioned above the sample slide, and the optics below are used to focus the laser and to view the sample. (B) An optical view of a stained blood smear with the transducer in place, the crosshairs are used to target each cell. A neutrophil is visible within the crosshairs. (C) A schematic showing photoacoustic waves generated from a cell on top of a glass slide travelling towards the transducer.
