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DIFFERENTIAL SURFACE PLASMON SENSOR USING OPPOSITE LIGHT PROPAGATION IN GRATING-COUPLED WAVEGUIDE
DIFFERENTIAL SURFACE PLASMON SENSOR USING OPPOSITE LIGHT PROPAGATION IN GRATING-COUPLED WAVEGUIDE
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机译:在光栅耦合波导中使用相反光传播的差分表面等离子传感器
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摘要
A method for using a double resonance effect within a grating-coupled waveguide (GCW) sensor, as generated from a light beam with a given span of wavelengths or angles, is provided. The method can be used for label-independent detection of biological and chemical agents, to interrogate biological-binding events or chemical reactions within a sensing region at increased sensitivity, and with decreased sensitivity to environmental perturbations. Also described is an optical interrogation system incorporating the method.
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