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HIGH SPEED, HIGHLY SENSITIVE PLATFORM FOR EVANESCENT WAVE SURFACE DETECTION APPLICATIONS
HIGH SPEED, HIGHLY SENSITIVE PLATFORM FOR EVANESCENT WAVE SURFACE DETECTION APPLICATIONS
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机译:高速,高灵敏度的平台,用于隐伏波表面检测应用
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摘要
A high speed, highly sensitive optical sensing platform (100) and a method for detecting and/or measuring characteristics of a substance in a measurement sample (140) are disclosed. The platform includes at least one pair of optical paths (130, 131) formed in a waveguide (111), a light source (102) for injecting optical beams along the optical paths, a light modulator (103) for enabling the excitement of a transverse electric and a transverse magnetic guide modes, and a phase detector (139) for detecting phase differences between the beams propagating along the optical paths.
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