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PHOTOACOUSTIC PROBE
专利权人:
UNIVERSITY OF MASSACHUSETTS
发明人:
WANG, XINGWEI, VIVIAN,WU, NAN
申请号:
EP12746867
公开号:
EP2675361A4
申请日:
2012.02.17
申请国别(地区):
EP
年份:
2016
代理人:
摘要:
A photoacoustic transducer, such as a photoacoustic probe includes an optical fiber, diaphragm, at the optical fiber, whereby the optical fiber and diaphragm define a cavity, and an energy absorption film at the optical fiber, whereby an activating laser directed through the optical fiber can excite the energy absorption film to thereby generate an acoustic wave that, upon reflection upon a remote surface, can deflect the diaphragm and modify reflection of a detecting laser also directed through the optical fiber. A method of detecting an acoustic wave includes directing an activating laser through an optical fiber to an energy absorption film at the optical fiber, directing a detecting laser through the optical fiber and cavity to the diaphragm at the optical fiber, and measuring an interference pattern generated at least in part by reflection of the detecting laser from a surface of the diaphragm.
来源网站:
中国工程科技知识中心
来源网址:
http://www.ckcest.cn/home/

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