Photoacoustic measurement apparatus and probe unit for use therewith
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United States of America Patent
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May 31, 2016
Grant Date -
Feb 20, 2014
app pub date -
Oct 25, 2013
filing date -
Apr 27, 2011
priority date (Note) -
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Abstract
A photoacoustic measurement apparatus which includes a diffuser plate for diffusing laser light inputted from the upstream side of an optical system, a lens system for focusing the laser light diffused by the diffuser plate, and an optical fiber cable which includes an optical fiber having a core and cladding structure and a light energy resistant structure at an end portion on the side of the lens system, and is disposed such that the laser light focused by the lens is inputted from one end, in which the light projection unit projects the laser light guided by the optical fiber cable as the measuring light. In a photoacoustic measurement performed by guiding the measuring light using an optical fiber, high energy measuring light can be guided while inhibiting end face damage of the optical fiber.
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