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Resonant absorption of a chemically sensitive layer based on waveguide gratings

机译:基于波导光栅的化学敏感层的共振吸收

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摘要

A colorimetric sensor providing a direct visual indication of chemical contamination was developed. The sensor is a combination of a chemically sensitive dye layer and a resonant waveguide grating. Enhancement of the light absorption by the photonic structure can be clearly seen. The detection is based on the color change of the reflected light after exposure to a gas or a liquid. Low-cost fabrication and compatibility with environments where electricity cannot be used make this device very attractive for applications in hospitals, industries, with explosives, and in traffic.
机译:开发了一种比色传感器,可以直接直观地指示化学污染。该传感器是化学敏感染料层和谐振波导光栅的组合。可以清楚地看到光子结构对光吸收的增强。该检测基于暴露于气体或液体后反射光的颜色变化。低成本制造和与无法使用电力的环境的兼容性使该设备非常适合在医院,工业,爆炸物和交通中使用。

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