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    • 1. 发明申请
    • IMAGING SYSTEM FOR LUMINESCENCE ASSAYS
    • 成像系统用于发光测定
    • WO00005569A1
    • 2000-02-03
    • PCT/GB1999/002348
    • 1999-07-20
    • G01N21/64G01N21/76
    • G01N21/6452G01N21/76G01N2021/6421G01N2021/6484G01N2201/0826G01N2201/0833G01N2201/0866
    • Apparatus for detecting light emitted by assay samples is provided, in which light emitted by the sample is collected for transmission to a charge coupled device camera (74) by an optical fibre bundle. The cross-sectional area of the optical fibre bundle corresponds to the area of the sample, the end of which is located close to the sample for detecting any light emitted therefrom, and selected fibres (30) of those making up the bundle are separated from the remainder and extend to a source of excitation radiation (76) and serve to convey excitation radiation (if required) directly to a corresponding plurality of points distributed over the area of the end face of the bundle and therefore over the area of the sample. The remaining fibres (32, 38) of the bundle serve to collect emitted light (whether generated by fluorescence caused by excitation or otherwise) and provide a light path to the charge coupled device camera, wherein the ends of the excitation fibres and the ends of the emitted light collecting fibres are distributed uniformly over the area of the fibre bundle presented to the reaction site.
    • 提供了用于检测由测定样品发射的光的装置,其中由样品发射的光被收集以通过光纤束传输到电荷耦合器件照相机(74)。 光纤束的横截面积对应于样品的面积,其端部靠近样品,用于检测从其发出的任何光,并且构成束的那些选定的纤维(30)从 剩余部分并延伸到激发辐射源(76)并且用于将激发辐射(如果需要)直接传送到分布在束的端面的区域上并因此在样品的区域上的对应的多个点。 束的剩余纤维(32,38)用于收集发射的光(无论是由激发产生的还是由激发产生的),并且向电荷耦合器件照相机提供光路,其中激发光纤的端部和 发射的聚光纤维均匀地分布在呈现给反应部位的纤维束的区域上。
    • 4. 发明申请
    • DUAL-WAVELENGTH PHOTOMETER AND FIBER OPTIC SENSOR PROBE
    • 双波长光电测量仪和光纤传感器探头
    • WO1993006459A1
    • 1993-04-01
    • PCT/US1992007883
    • 1992-09-17
    • IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.
    • IOWA STATE UNIVERSITY RESEARCH FOUNDATION, INC.PORTER, Marc, D.JONES, Thomas, P.
    • G01N21/31
    • G01N21/7703G01J2001/1636G01N21/80G01N2021/3181G01N2021/772G01N2201/062G01N2201/084G01N2201/0866
    • A dual wavelength optical sensor for measuring the optical characteristics of sensing films which are responsive to a particular quantity to be measured. The optical sensor includes a light source (16, 18) for producing light outputs at two distinct wavelengths and transmitting twin components of light to first and second outputs. A time-shared optical fiber (26) receives the two distinct wavelengths of light from the first output and carries the light on a time-shared basis to a sensor probe (14). A sample detector (30) receives the two distinct wavelengths of light transmitted from the thin sensing film. A reference detector (34) receives the two distinct wavelengths of light from the second output and monitors the output intensity of the light source. A signal processing system (35) combines the measurements of the optical characteristics of the thin sensing film in response to each of the two distinct wavelengths to provide measurements which account for changes in the optical properties of the thin sensing film.
    • 一种双波长光学传感器,用于测量响应于要测量的特定量的感测膜的光学特性。 光学传感器包括用于产生两个不同波长的光输出的光源(16,18),并将光的双分量传输到第一和第二输出。 时分共享的光纤(26)从第一输出接收两个不同波长的光,并将时间共享的光传送到传感器探头(14)。 样本检测器(30)接收从薄感测膜传输的两种不同波长的光。 参考检测器(34)接收来自第二输出端的两个不同波长的光,并监视光源的输出强度。 信号处理系统(35)响应于两个不同波长中的每一个组合了薄感测膜的光学特性的测量,以提供考虑薄感测膜的光学性质变化的测量。