Diagram of initial pressure distribution.
(a) Diagram of thermoacoustic scanning tomography. (b) Thermoacoustic image of a phantom sample: a piece of muscle buried in several layers of fat.
(a) Diagram of a bright-field confocal photoacoustic microscope in the backward detection mode. (b) Schematic of the photoacoustic sensor of a dark-field reflection-mode photoacoustic microscope. (c) Photoacoustic image of vascular distribution in rat skin.
Acoustic lens system with a focal length of .
Diagram of photoacoustic measurement at .
Diagram of measurement configurations: (a) spherical geometry, (b) planar geometry, and (c) cylindrical geometry.
Measurement surface enclosing: (a) and (b). Diagram of detection region: (c) and (d).
Diagram of photoacoustic measurement at with a large planar detector.
rf penetration depths in various tissues.
(a) Side view schematic of a breast imager with spherical scans. (b) TCT image of a normal breast (Courtesy of OptoSonics, Inc.).
(a) Diagram of circular scan. (b) Reconstructed thermoacoustic image. (c) TAT image of a breast mastectomy specimen (Ref. 106).
(a) Side view schematic of optoacoustic imaging of a breast using an arc array. (b) Noninvasive optoacoustic image of a human breast containing a tumor. (c) Diagram of the photoacoustic mammoscope.
(a) Diagram of photoacoustic imaging system for small animals in a circular or cylindrical scan. (b) A cross-sectional photoacoustic image of a rat brain. RH, right cerebral hemisphere; LH, left cerebral hemisphere; L, lesion; MCA, middle cerebral artery (Ref. 116).
Diagram of photoacoustic imaging system for small animals using arc array.
Noninvasive functional photoacoustic image corresponding to the left-side whisker stimulations, acquired with the skin and skull intact (Ref. 116).
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