发明授权
- 专利标题： Fluorescence detection device using intensity-modulated laser light and fluorescence detection method
- 专利标题（中）： 荧光检测装置采用强度调制激光和荧光检测方法
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申请号： US13119702申请日： 2009-09-16
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公开(公告)号： US08330124B2公开(公告)日： 2012-12-11
- 发明人: Kyouji Doi , Shigeyuki Nakada , Hironori Hayashi , Kazuteru Hoshishima
- 申请人： Kyouji Doi , Shigeyuki Nakada , Hironori Hayashi , Kazuteru Hoshishima
- 申请人地址： JP Tokyo
- 专利权人： Mitsui Engineering & Shipbuilding Co., Ltd.
- 当前专利权人： Mitsui Engineering & Shipbuilding Co., Ltd.
- 当前专利权人地址： JP Tokyo
- 代理机构： Global IP Counselors, LLP
- 优先权： JP2008-240983 20080919
- 国际申请： PCT/JP2009/004646 WO 20090916
- 国际公布： WO2010/032452 WO 20100325
- 主分类号： G01N21/64
- IPC分类号： G01N21/64 ; G01J1/58
摘要：
A fluorescence detection device for a flow site meter emits laser light intensity-modulated in accordance with a modulation signal and acquires a fluorescent signal of fluorescence emitted from a measurement object that passes through a measurement point of the laser light. The fluorescence detection device generates, separately from the modulation signal, a reference signal having a frequency different from a frequency of the modulation signal and a phase in synchronization with a phase of the modulation signal. The fluorescence detection device determines a fluorescent relaxation time of the measurement object from the fluorescent signal by using the reference signal.
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