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Opto-acoustic methods and apparatus for performing high resolution acoustic imaging and other sample probing and modification operations
Opto-acoustic methods and apparatus for performing high resolution acoustic imaging and other sample probing and modification operations
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机译:用于执行高分辨率声成像以及其他样品探测和修改操作的光声方法和装置
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摘要
An opto-acoustic transducer assembly includes a substrate; at least one layer of opto-acoustic material coupled to a surface of the substrate, where the at least one layer of opto-acoustic material generates sound waves when struck by pulses of pump light; and an acoustic lens configured to focus sound waves generated by the at least one layer of opto-acoustic material towards a sample. The acoustic lens is further configured to collect sound waves returning from the sample and to direct the returning sound waves to the at least one layer of opto-acoustic material. In one non-limiting embodiment the at least one layer of opto-acoustic material is interposed between the substrate and the acoustic lens, and the substrate is substantially transparent to light having wavelengths of interest.
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