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    • 4. 发明授权
    • Spectroscopy apparatus and method
    • 光谱仪和方法
    • US07139071B2
    • 2006-11-21
    • US10471415
    • 2002-03-14
    • Robert BennettJohn Charles Clifford DayGraham Mark Meaden
    • Robert BennettJohn Charles Clifford DayGraham Mark Meaden
    • G01J3/44
    • G01J3/44G01J3/02G01J3/0243G01J3/04G01N21/645G01N21/65G01N2021/6417G01N2021/656H01J37/228H01J2237/2808
    • A spectroscopy method in which a sample is scanned without moving the sample. Light from the sample 16 is collected by a lens 14 and analyzed at a spectrum analyzer 28 before being focused onto a photodetector 32. Light from the focal point of the lens 14 is brought to a tight focus on the photodetector 32 whilst light from in front of or behind the focal point comes to a more diffuse focus. Light from the pixels on the photodetector 32 corresponding to the focal point of the lens 14 is processed, whilst light from pixels outside this region is ignored, thus forming a ‘virtual slit’. The sample 16 is scanned in a vertical direction by moving the ‘virtual slit’ up and down, by changing the designated rows of pixels from which data is analyzed. The sample is scanned in a horizontal direction by moving a vertical slit 24 in the light path in a horizontal direction.
    • 在不移动样品的情况下扫描样品的光谱法。 来自样品16的光由透镜14收集,并在聚焦到光电检测器32之前在光谱分析仪28处进行分析。 来自透镜14的焦点的光使焦点聚焦在光电检测器32上,同时来自焦点前方或后面的光进入更漫散的焦点。 来自与透镜14的焦点对应的光检测器32上的像素的光被处理,同时忽略该区域外的像素的光,从而形成“虚拟狭缝”。 通过改变从其分析数据的指定行像素,通过上下移动“虚拟缝隙”来扫描样品16在垂直方向上。 通过沿水平方向移动光路中的垂直狭缝24,沿水平方向扫描样品。