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Detection of plasmon-enhanced luminescence fields from an optically manipulated pair of partially metal covered dielectric spheres

机译:从一对光学操纵的部分覆盖金属的介电球中检测等离激元增强的发光场

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摘要

Using optical tweezers combined with luminescence measurements we detected the optical field around two optically trapped silica microspheres partially covered by metal. By monitoring the luminescence of rhodamine 6G we were able to observe an increase of the local field intensity owing to the coupling of the local surface plasmons at the surfaces of two spheres.
机译:使用光镊结合发光测量,我们检测到两个被金属部分覆盖的光学捕获的二氧化硅微球周围的光场。通过监测罗丹明6G的发光,我们能够观察到由于两个球体表面上的局部表面等离子体激元的耦合而导致的局部场强的增加。

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