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    • 8. 发明专利
    • Spectroscopic method and spectral instrument
    • 光谱仪和光谱仪
    • JP2012027041A
    • 2012-02-09
    • JP2011244027
    • 2011-11-07
    • Nagoya UnivNu Eco Engineering KkNuエコ・エンジニアリング株式会社国立大学法人名古屋大学
    • ITO MASAFUMINISHIZAWA NORIHIKOHORI MASARUGOTO TOSHIOKANO HIROYUKI
    • G01N21/27G01N21/39
    • G01N21/39G01J3/02G01J3/0218G01J3/0224G01J3/10G01J3/42G01J2001/4242G01N2201/0697G02B6/2861
    • PROBLEM TO BE SOLVED: To implement an instrument which measures an optical absorption coefficient of a sample with high sensitivity.SOLUTION: A ring-down spectral instrument uses a wavelength-variable femtosecond soliton pulse light source 1. Pulse light is input to a loop-shaped optical fiber 6 via a first optical transmission line 4 and an optical changeover switch 5. Ring-down pulse light is input to a homodyne detector 40 via the optical changeover switch 5. Meanwhile, pulse light propagated through the first optical transmission line 4 is branched and input to each of optical transmission lines constituting a second optical transmission line 20 via an optical directional coupler 8 and a first optical switch element 12. Pulse light propagated through the second optical transmission line 20 is input to the homodyne detector 40 as reference light and is synchronously detected. A plurality of optical transmission lines constituting the second optical transmission line 20 has optical path lengths successively differ from one another by a length of the optical fiber 6 and are allowed to vary the optical path lengths minutely.
    • 要解决的问题:实现以高灵敏度测量样品的光吸收系数的仪器。 解决方案:降噪光谱仪使用波长可变飞秒激光脉冲光源1.脉冲光通过第一光传输线4和光转换开关5输入到环形光纤6中。环 通过光转换开关5将向下脉冲光输入到零差检测器40.同时,通过第一光传输线4传播的脉冲光被分支并经由光学器件被分配并输入到构成第二光传输线20的每个光传输线 定向耦合器8和第一光开关元件12.通过第二光传输线20传播的脉冲光作为参考光输入到零差检测器40,并被同步检测。 构成第二光传输线20的多条光传输线的光路长度依次彼此不同,光纤6的长度不同,并允许光路长度微小变化。 版权所有(C)2012,JPO&INPIT
    • 9. 发明专利
    • Atomic absorption spectrometer and atomic absorption analysis method
    • 原子吸收光谱仪和原子吸收分析方法
    • JP2012013544A
    • 2012-01-19
    • JP2010150402
    • 2010-06-30
    • Nagoya UnivNu Eco Engineering KkNuエコ・エンジニアリング株式会社国立大学法人名古屋大学
    • HORI MASARUKANO HIROYUKI
    • G01N21/73
    • PROBLEM TO BE SOLVED: To realize synchronization between an atomizer and a light source by a simple configuration in an atomic absorption spectrometer.SOLUTION: An atomic absorption spectrometer is composed of an atomizer 1, a light source 2, an analyzer 3 and a power source device 4. As shown in FIG. 3, the power source device 4 is composed of an AC power source 5 and a half wave rectifier circuit 6. The AC power source 5 is a power source obtained by boosting a commercial AC power source of 60 Hz, the atomizer 1 and the AC power source 5 are directly connected and the light source 2 is connected to the AC power source 5 through a half wave rectifier circuit 6. An AC voltage of 60 Hz from the AC power source 5 is directly applied to the atomizer 1. The half wave rectifier circuit 6 is, for example, a circuit using a diode or the like and performs half-wave rectification to output an AC voltage of 60 Hz. And, the half-wave rectified voltage is applied to the light source 2.
    • 要解决的问题:通过原子吸收光谱仪中的简单配置来实现雾化器和光源之间的同步。 解决方案:原子吸收光谱仪由雾化器1,光源2,分析器3和电源装置4组成。 如图3所示,电源装置4由交流电源5和半波整流电路6构成。交流电源5是通过升压60Hz的商用AC电源,雾化器1和AC 电源5直接连接,光源2通过半波整流电路6与AC电源5连接。来自AC电源5的60Hz的交流电压直接施加到雾化器1。半波 整流电路6例如是使用二极管等的电路,进行半波整流,输出60Hz的交流电压。 并且,将半波整流电压施加到光源2.版权所有(C)2012,JPO&INPIT