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(a) Hemoglobin imaged by conventional OR-PAM (left) and PI-PAM (b) Optically sectioned hemoglobin images at different depth acquired by conventional OR-PAM (left) and GR-PAM (right) (c) Volumetrically rendered 0.5-μm beads images at left (left), right (middle), and dual (right) views. PI-PAM, photoimprint PAM; GR-PAM, Grueneisen relaxation PAM; OR-PAM, optical-resolution PAM; and PAM, Photoacoustic microscopy. Reproduced with permission from Ref. [50,52,54].
