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    • 68. 发明公开
    • Optical detection method and optical detection apparatus for a fine particle
    • 选择Erkennungsverfahren und optische ErkennungsvorrichtungfürFeinpartikel
    • EP2053381A2
    • 2009-04-29
    • EP08167349.3
    • 2008-10-23
    • Sony Corporation
    • Shinoda, MasatakaImanishi, Shingo
    • G01N15/14
    • G01N15/1425G01N15/1434G01N15/1459G01N2015/1006G01N2015/1438
    • Disclosed herein is an optical detection method and optical detection apparatus, the apparatus including: a light irradiation section (4) configured to irradiate a laser beam (5) upon one of fine particles (3) which are successively fed in a flow path (2); and a light detection section (9) configured to detect fluorescent light and/or scattered light (10) generated from any of the fine particles (3) upon which the laser beam (5) is irradiated; the method including the steps of: irradiating a laser beam (5) upon one of fine particles (3) which are successively fed in a flow path (2); and detecting fluorescent light and/or scattered light (10) generated from the fine particle (3); wherein the laser beam (5) being formed as a pulse laser beam whose pulse intensity is modulated such that one laser beam or two or more laser beams (5) having different wavelengths are irradiated by a plural number of times upon one fine particle (3) with the intensity varied.
    • 本发明公开了一种光学检测方法和光学检测装置,该装置包括:光照射部分(4),被配置为将激光束(5)照射到在流路(2)中连续馈送的细颗粒 ); 以及光检测部(9),其被配置为检测从所述激光束(5)照射的任何微粒(3)产生的荧光和/或散射光(10) 该方法包括以下步骤:将激光束(5)照射到在流路(2)中连续供给的细颗粒(3)之一上; 以及检测由所述微粒(3)产生的荧光和/或散射光(10)。 其中激光束(5)形成为脉冲激光束,其脉冲强度被调制成使得一个激光束或具有不同波长的两个或更多个激光束(5)被多次照射在一个细颗粒(3 )强度变化。