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    • 81. 发明申请
    • STIMULATED RAMAN SCATTERING DETECTION APPARATUS
    • 刺激拉曼散射检测装置
    • WO2012121357A1
    • 2012-09-13
    • PCT/JP2012/056041
    • 2012-03-02
    • CANON KABUSHIKI KAISHAOZEKI, YasuyukiITOH, KazuyoshiNOSE, Keisuke
    • OZEKI, YasuyukiITOH, KazuyoshiNOSE, Keisuke
    • G01N21/65
    • G01J3/4412G01J3/433G01J3/44G01N21/65G01N2021/655H01S3/005H01S3/2391
    • The stimulated Raman scattering detection apparatus includes first and second light pulse generators (1, 2) respectively generating first and second light pulses with first and second pulse periods, an optical system combining the first and second light pulses and focusing the combined light pulses onto a sample, and a detector (10) detecting the second light pulses intensity-modulated by stimulated Raman scattering generated by focusing of the combined light pulses onto the sample. The second light pulse generator divides each raw light pulse emitted with the second pulse period into two light pulses, delays one of the two light pulse with respect to the other thereof and combines the one light pulse divided from one raw light pulse and delayed, with the other light pulse divided from another raw light pulse emitted after the one raw light pulse, to generate the second light pulse.
    • 被激发的拉曼散射检测装置包括分别产生具有第一和第二脉冲周期的第一和第二光脉冲的第一和第二光脉冲发生器(1,2),组合第一和第二光脉冲并将组合的光脉冲聚焦到 样品和检测器(10),检测通过将组合的光脉冲聚焦到样品上而产生的受激拉曼散射强度调制的第二光脉冲。 第二光脉冲发生器将以第二脉冲周期发射的每个原始光脉冲分成两个光脉冲,将两个光脉冲中的一个相对于另一个脉冲延迟,并将从一个原始光脉冲分离的一个光脉冲和延迟的一个光脉冲与 另一个光脉冲从在一个原始光脉冲之后发射的另一原始光脉冲中分离,以产生第二光脉冲。