期刊
BIOMEDICAL OPTICS EXPRESS
卷 1, 期 1, 页码 318-323出版社
OPTICAL SOC AMER
DOI: 10.1364/BOE.1.000318
关键词
-
资金
- Austrian Science Fund FWF [L418-N20, S10502-N20]
A dual mode scanning acoustic microscope is investigated, yielding simultaneously images with optical and acoustical contrast. Short laser pulses are used to excite acoustic waves in a sample for the photoacoustic imaging mode. At the same time the pulses irradiate a conical target generating limited diffraction acoustic waves (X-waves) for large depth of field ultrasound imaging. For photoacoustic as well as for ultrasound imaging a focusing, ring shaped detector is applied. First phantom experiments demonstrate the possibility to acquire data for both imaging modes in a single scan, by separating images due to their different time of flight. (C) 2010 Optical Society of America
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