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High Degree of Optical Tunability of Self-Assembled Photonic-Plasmonic Crystals by Filling Fraction Modification

机译:通过填充分数修饰的自组装光子-电晶体的高度光学可调性

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摘要

The optical properties of two-dimensional hybrid photonic-plasmonic crystals are fine-tuned by modifying the dielectric component of the system. The filling fraction of the dielectric component in monolayers of spheres deposited on gold substrates is controlled by means of oxygen-plasma etching. Doing so enables spectral tuning of the optical modes of the system. Experiments are performed on both optically passive and active samples showing the possibility for strong modification of the emission properties of samples containing emitters distributed within the spheres. The change in sphere diameter needed to substantially modify the sample's optical response points to a potential use of these samples as sensors or tunable emitting devices if appropriate polymeric components are employed.
机译:二维杂化光子-等离激元晶体的光学性质可通过修改系统的介电成分进行微调。通过氧等离子体蚀刻来控制沉积在金基底上的单层球中介电组分的填充率。这样做可以对系统的光学模式进行光谱调谐。对光学无源和有源样品都进行了实验,表明可能强烈改变包含分布在球体内的发射体的样品的发射特性。实质上改变样品的光学响应所需的球直径的变化表明,如果采用适当的聚合物组分,则可能将这些样品用作传感器或可调发射装置。

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  • 来源
    《Advanced Functional Materials》 |2010年第24期|p.4338-4343|共6页
  • 作者单位

    Institute de Ciencia de Materiales de Madrid (CSIC) and Unidad Asociada CSIC-U. Vigo C/Sor Juana Ines de la Cruz 3 28049 Madrid, Spain;

    Institute de Ciencia de Materiales de Madrid (CSIC) and Unidad Asociada CSIC-U. Vigo C/Sor Juana Ines de la Cruz 3 28049 Madrid, Spain;

    Institute de Ciencia de Materiales de Madrid (CSIC) and Unidad Asociada CSIC-U. Vigo C/Sor Juana Ines de la Cruz 3 28049 Madrid, Spain;

    Institute de Ciencia de Materiales de Madrid (CSIC) and Unidad Asociada CSIC-U. Vigo C/Sor Juana Ines de la Cruz 3 28049 Madrid, Spain;

    Institute de Microelectronica de Madrid (IMM-CSIC) C/lsaac Newton 8, 28760 Tres Cantos, Madrid, Spain;

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