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    • 1. 发明授权
    • Photoacoustic apparatus, and probe for receiving photoacoustic waves
    • 光声设备和用于接收光声波的探头
    • US08300224B2
    • 2012-10-30
    • US13367894
    • 2012-02-07
    • Takao NakajimaKazuhiko FukutaniYasufumi AsaoRyuichi Nanaumi
    • Takao NakajimaKazuhiko FukutaniYasufumi AsaoRyuichi Nanaumi
    • G01N21/00
    • G01N21/1702A61B5/0059A61B5/0095A61B8/4281G01N2021/1706
    • A photoacoustic apparatus obtains information on a specimen by receiving photoacoustic waves which are generated from the specimen resulting from light irradiated to the specimen. The apparatus includes a light source for irradiating light to the specimen, an acoustic wave receiver for receiving the photoacoustic waves, and a light reflection member for causing the light, which is radiated out of the specimen by optical diffusion thereof after having entered an interior of the specimen from the light source, to reenter the interior of the specimen, wherein the light reflection member allows elastic waves to pass therethrough. As a result, a photoacoustic apparatus and a probe are provided which can confine scattered light from the specimen into the specimen, and which can reliably prevent photoacoustic waves from being generated from a receiving element region of the probe by the scattered light.
    • 光声设备通过接收由照射到样本的光产生的样本产生的光声来获得关于样本的信息。 该装置包括用于向样本照射光的光源,用于接收光声波的声波接收器,以及光反射构件,其用于使得通过其进入其内部的光学扩散而从样本中辐射出的光 来自光源的样本,重新进入样本的内部,其中光反射构件允许弹性波通过。 结果,提供了一种光声装置和探针,其可以将来自样本的散射光限制在样本中,并且可以可靠地防止通过散射光从探测器的接收元件区域产生光声波。