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NON-INVASIVE OPTICAL DETECTION SYSTEM AND METHOD USING PARTIALLY BALANCED INTERFEROMETRIC PARALLEL DETECTION
NON-INVASIVE OPTICAL DETECTION SYSTEM AND METHOD USING PARTIALLY BALANCED INTERFEROMETRIC PARALLEL DETECTION
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机译:使用部分平衡干涉仪平行检测的非侵入式光学检测系统和方法
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摘要
Source light having a range of optical wavelengths is generated. The source light is split into sample light and reference light. The sample light is delivered into a sample, such that the sample light is scattered by the sample, resulting in signal light that exits the sample. The signal light and the reference light are combined into an interference light pattern having optical modes, each having a direct current (DC) component and at least one alternating current (AC) component. Different subsets of the optical modes of the interference light pattern are respectively detected, and analog signals representative of the optical modes of the interference light pattern are output. Pair of the analog signals are subtracted from each other, and differential analog signals are output. The sample is analyzed based on the differential analog signals.
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