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    • 3. 发明申请
    • OPTICAL MEASURING DEVICE
    • 光学测量装置
    • WO2012087136A1
    • 2012-06-28
    • PCT/NL2011/050883
    • 2011-12-21
    • NEDERLANDSE ORGANISATIE VOOR TOEGEPAST- NATUURWETENSCHAPPELIJK ONDERZOEK TNOHARMSMA, Peter JohanYOUSEFI, Mirvais
    • HARMSMA, Peter JohanYOUSEFI, Mirvais
    • G01J9/02
    • G01J9/0246G01J3/1895G01J9/00
    • An optical measuring device measures a wavelength of a response from a sensing device. The optical measuring device contains a light path coupled to an interface for coupling the light path to the sensing device. A periodic optical filter has an input coupled to the light path, to sample light that is supplied to or received from the sensing device. A continuous output optical filter has an input coupled the light path to sample light that is supplied to or received from the sensing device. A computation circuit is coupled to detectors at the periodic optical filter and the continuous output optical filter. The computation circuit is programmed to process output signals from the detectors obtained during a wavelength scan. The processing involves quantization of data derived from the continuous filter wavelengths associated with respective time points at which the wavelength scan reaches corresponding positions in respective periods of the periodic optical filter. The processing computes a wavelength associated with the response of the sensing device from the identified wavelengths on the basis of a temporal relation between said respective time points and a time point of the response of the sensing device.
    • 光学测量装置测量来自感测装置的响应的波长。 光学测量装置包含耦合到用于将光路耦合到感测装置的接口的光路。 周期性光学滤波器具有耦合到光路的输入,以对供应到或从感测装置接收的光进行采样。 连续输出滤光器具有将光路耦合到输入或从感测装置接收的采样光的输入。 计算电路耦合到周期性滤光器和连续输出滤光器上的检测器。 计算电路被编程为处理在波长扫描期间获得的检测器的输出信号。 该处理涉及从与周期性滤光器的各个周期中波长扫描到达对应位置的各个时间点相关联的连续滤波器波长导出的数据的量化。 该处理基于所述各个时间点之间的时间关系和感测装置的响应的时间点,根据识别的波长计算与感测装置的响应相关联的波长。
    • 6. 发明申请
    • AN OPTICAL SENSOR, A SYSTEM, A METHOD AND A COMPUTER PROGRAM FOR DETERMINING A PROPERTY OF A FLUID
    • 光学传感器,系统,方法和用于确定流体性质的计算机程序
    • WO2010151134A1
    • 2010-12-29
    • PCT/NL2010/050402
    • 2010-06-25
    • NEDERLANDSE ORGANISATIE VOOR TOEGEPAST- NATUURWETENSCHAPPELIJK ONDERZOEK TNOYANG, ShangjiongYOUSEFI, Mirvais
    • YANG, ShangjiongYOUSEFI, Mirvais
    • G01N21/45
    • G01N21/45
    • The invention relates to optical sensor (10) for determining a property of an electrically conductive fluid, comprising an input waveguide (3a) for receiving a broadband optical signal; an optical ring resonator (7) having a coupler (5) in optical communication with the input waveguide for filtering out a frequency component from the broadband optical signal for travelling in the optical ring resonator; an output waveguide (3b) for transporting the remaining broadband optical signal towards a detector, a modifier for altering a resonant frequency of the optical ring resonator, wherein the optical ring resonator comprises an inner surface (8) arranged to be submersed in the fluid and the modifier comprises an electrolysis system comprising a first electrode arranged in contact with the inner surface and the second electrode arranged at a distance from the first electrode across the conductive fluid within the optical ring resonator, said modifier being arranged to generate gas bubbles on the inner surface in use. The invention further relates to a method and a computer program for determining a property of a fluid.
    • 本发明涉及用于确定导电流体性质的光学传感器(10),包括用于接收宽带光信号的输入波导(3a) 具有与所述输入波导光通信的耦合器(5)的光环形谐振器(7),用于从所述宽带光信号中滤出用于在所述光环谐振器中行进的频率分量; 用于将剩余的宽带光信号传送到检测器的输出波导(3b),用于改变光环谐振器的谐振频率的修正器,其中光环谐振器包括布置成浸没在流体中的内表面(8) 所述改性剂包括电解系统,所述电解系统包括布置成与所述内表面接触的第一电极和所述第二电极,所述第一电极在所述光环谐振器内与所述第一电极隔开所述导电流体布置成一定距离,所述改性剂被布置成在所述内环上产生气泡 表面使用。 本发明还涉及一种用于确定流体性质的方法和计算机程序。