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Systems and methods for determining a characteristic of a specimen
Systems and methods for determining a characteristic of a specimen
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机译:用于确定样本特征的系统和方法
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摘要
Systems and methods for determining a characteristic of a specimen are provided. One system includes an illumination subsystem configured to direct light to a first set of spots on the specimen at a normal angle of incidence and to simultaneously direct light to a second set of spots on the specimen at an oblique angle of incidence. The system also includes a detection subsystem configured to detect light scattered from the first and second sets of spots simultaneously and to generate first output responsive to the light scattered from the first set of spots and second output responsive to the light scattered from the second set of spots. The first and second outputs can be used to determine the characteristic of the specimen.
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