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首页> 外文期刊>Physica, B. Condensed Matter >Resonant optical transmission through a one-dimensional photonic crystal adjacent to a thin metal film
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Resonant optical transmission through a one-dimensional photonic crystal adjacent to a thin metal film

机译:通过与金属薄膜相邻的一维光子晶体的共振光传输

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摘要

We theoretically and experimentally reveal that the large resonant optical transmission (ROT) can be realized through a one-dimensional photonic crystal adjacent to a thin metal film, at a frequency in the original band-gap of the photonic crystal (PC). The influence of periodic number of PC and the thickness of the adjacent metal on the transmission frequency and intensity is studied in detail. An optimum design is given to reach the maximum transmission efficiency, meanwhile a mechanism underlining the ROT phenomenon is proposed. An effective admittance-matching theory is proposed to understand this effect and quantitatively determine the operating frequency, which matches very well with the simulated and measured results. The effects might be very useful to realize some optical filters and sensor devices since the structure is easy for mass production and is matured technically to be prepared in industry.
机译:我们从理论上和实验上揭示,可以通过与金属薄膜相邻的一维光子晶体以光子晶体(PC)的原始带隙中的频率实现大的共振光传输(ROT)。详细研究了PC的周期数和相邻金属的厚度对传输频率和强度的影响。给出了一种最佳设计以达到最大的传输效率,同时提出了一种强调ROT现象的机制。提出了一种有效的导纳匹配理论来理解这种影响并定量确定工作频率,该频率与仿真和测量结果非常吻合。这种效果对于实现某些光学滤波器和传感器装置可能非常有用,因为该结构易于批量生产,并且在技术上已经成熟,可以在工业上制备。

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