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    • 1. 发明授权
    • Optical interference apparatus
    • 光干扰装置
    • US07570367B2
    • 2009-08-04
    • US11620142
    • 2007-01-05
    • Mitsuo OhashiYoshitoshi Ito
    • Mitsuo OhashiYoshitoshi Ito
    • G01B9/02G01B11/02G01J3/45G01J5/02
    • G01N21/4795A61B5/0059A61B5/14551
    • A light emission section includes light generators which are operated on the basis of drive signals from a controller so as to emit near infrared interferable light beams having different specific wavelengths to a light interference section. The light interference section includes a beam splitter having a low-reflection region. The beam splitter allows a most portion of the near infrared interferable light beams to propagate toward an object to be examined, and reflects a portion of the near infrared interferable light beams to a movable mirror. The beam splitter causes interference between measurement light reflected by the object and reference light reflected by the movable mirror, and the resultant interference light propagates to a light detection section. The light detection section receives the interference light and calculates predetermined information regarding the object by making use of the quantity distribution of the interference light. A display section displays the calculated information.
    • 发光部分包括基于来自控制器的驱动信号操作以发射具有不同特定波长的近红外可干扰光束到光干涉部分的光发生器。 光干涉部分包括具有低反射区域的分束器。 分束器允许近红外干涉光束的大部分传播到要检查的物体,并将近红外干涉光束的一部分反射到可移动镜。 分束器引起由物体反射的测量光和可移动反射镜反射的参考光之间的干涉,并且所得到的干涉光传播到光检测部分。 光检测部分接收干涉光,并通过利用干涉光的数量分布来计算关于物体的预定信息。 显示部分显示计算的信息。
    • 6. 发明申请
    • OPTICAL COHERENCE TOMOGRAPH
    • 光学相干TOMOGRAPH
    • US20070014464A1
    • 2007-01-18
    • US11383591
    • 2006-05-16
    • Mitsuo Ohashi
    • Mitsuo Ohashi
    • H05G1/60G06K9/00G01T1/166
    • A61B5/0066A61B3/102A61B5/0073A61B5/14555
    • A light emission section includes a plurality of light sources and emits near infrared low coherent light beams having different specific wavelengths to a light interference section. The light interference section allows the near infrared low coherent light beams to pass therethrough toward the eyeground and partially reflects the beams toward a movable mirror. Measurement light reflected by the eyeground and reference light reflected by the movable mirror interfere at the light interference section. Resultant interference light rays propagate to a light detection section, which calculates the profile of the eyeground from the light quantities of the interference light rays, and calculates the oxygen saturation SO2 from the light quantity distributions of the near infrared low coherent light beams emitted from the light emission section and the light quantities of the received interference light rays. A display section displays the calculated profile and oxygen saturation SO2 in a superposed manner.
    • 发光部分包括多个光源,并且向光干涉部分发射具有不同特定波长的近红外低相干光束。 光干涉部分允许近红外低相干光束朝向眼睛通过,并将光束部分地反射向可移动镜。 由眼镜反射的测量光和由可移动镜反射的参考光在光干涉部分处干扰。 所产生的干涉光线传播到光检测部分,该光检测部分根据干涉光线的光量计算眼睛的轮廓,并根据近光的光量分布计算氧饱和度SO 2 2 < 从发光部发出的红外低相干光束和受光干涉光线的光量。 显示部分以叠加的方式显示计算的分布图和氧饱和度SO 2 2