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Rapid spatial averaging over an extended sample in a Raman spectrometer
Rapid spatial averaging over an extended sample in a Raman spectrometer
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机译:在拉曼光谱仪中对扩展样本进行快速空间平均
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摘要
An optical method and apparatus is utilized to provide rapid spatial averaging over a large sample area in a Raman spectrometer, without defocusing of the optical source or the collection optics. Spatial averaging provides a representative spectrum of a sample that is inhomogeneous, either in its composition or surface characteristics. The spatial averaging configurations and methods disclosed herein also reduce sample degradation or burning resulting from the high intensity of the directed optical source. Moreover, the dimensions of the sample area of the spatial averaging methods and configurations of the present invention are adjusted to match specific sampling requirements.
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