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PHOTOACOUSTIC MICROSCOPE OBJECTIVE LENS UNIT AND PHOTOACOUSTIC MICROSCOPE INCLUDING THE SAME
专利权人:
发明人:
Ikutoshi FUKUSHIMA,Asuka MUKAI,Yoshiaki MURAYAMA
申请号:
US15637605
公开号:
US20170299553A1
申请日:
2017.06.29
申请国别(地区):
US
年份:
2017
代理人:
摘要:
A photoacoustic microscope objective lens unit includes: an objective lens which irradiates a sample with excitation light L a photoacoustic wave detection unit which detects a photoacoustic wave U generated from the sample and a photoacoustic wave guide system. The photoacoustic wave guide system includes: a photoacoustic wave separation member and an acoustic lens that is disposed between the photoacoustic wave separation member and the sample and has a focus position that substantially matches with a focus position of the objective lens. The acoustic lens is obtained by cementing a main acoustic lens and a correction acoustic lens to each other. The main acoustic lens and the correction acoustic lens satisfy predetermined Conditional Expressions.
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