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    • 1. 发明授权
    • Detector for use in optical measuring instruments
    • 用于光学测量仪器的探测器
    • US4444499A
    • 1984-04-24
    • US361144
    • 1982-03-24
    • Osamu AkiyamaTetsuo Ichikawa
    • Osamu AkiyamaTetsuo Ichikawa
    • G01N21/01G01J1/02G01J1/04G01J1/36G02B27/10H01L31/0232G01J3/42
    • G01J1/36
    • A detector for use in optical measuring instruments such as a double-beam spectrophotometer, comprising a photoelectric element having a photosensitive surface and a beam mixer disposed adjacent the photosensitive surface for causing each of two alternate light beams to be projected evenly and uniformly onto the photosensitive surface of the photoelectric element thereby to eliminate errors which would otherwise be caused in the result of measurement due to local difference in sensitivity of the photosensitive surface of the photoelectric element. The beam mixer comprises a symmetrical pair of light diffusing plates so arranged as to form a roof-shaped configuration and a tublar body having one end opening closed by the pair of light diffusing plates and the opposite end opening closed by the photosensitive surface of the photoelectric element.
    • 一种用于诸如双光束分光光度计的光学测量仪器的检测器,包括具有感光表面的光电元件和邻近感光表面设置的光束混合器,用于使两个交替光束中的每一个均匀均匀地投射到感光体上 表面,从而消除由于光电元件的感光表面的灵敏度的局部差异而在测量结果中会引起的误差。 光束混合器包括一对对称的光散射板,其被布置成形成屋顶形状,并且具有一对端开口由一对光扩散板封闭的相对端开口和由光电面的感光表面封闭的相对端开口 元件。