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Measurements of substances using two different propagation modes of light through a common optical path
Measurements of substances using two different propagation modes of light through a common optical path
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机译:使用两种不同的光传播模式通过共同的光路进行物质测量
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摘要
This application describes designs, implementations, and techniques for controlling propagation mode or modes of light in a common optical path, which may include one or more waveguides, to sense a sample. As an example, input light in two different optical propagation modes (e.g., the first and second modes) is directed through a common input optical path to the optical probe head which sends a portion of input light in the second mode to the sample. The probe head directs both the light in the first mode and the returned light from the sample in the second mode through a common optical path to a detection module.
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