Design and modeling of a MEMS-based tunable optical nanoantenna
Design and modeling of a MEMS-based tunable optical nanoantenna
复制标题
基于 MEMS 的可调谐光学纳米天线的设计和建模
DOI：
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发表时间：
2008
期刊：
影响因子：
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通讯作者：
L. Que
中科院分区：
文献类型：
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作者：
Zhongcheng Gong;Tae;L. Que
A MEMS-based tunable optical nanoantenna is described. The capability of the nanometer resolution and repeatability offered by the MEMS actuators paves the way for the tunable optical antennas, which is confirmed by both modeling and experimental measurements. The MEMS-based tunable antenna offers many advantages in terms of cost-effective fabrication, dynamic optical intensity enhancement, dynamic wavelenght shifting and performance optimization, etc. The optical performance of the tunable antenna has been investigated using rigorous finite difference and time domain (FDTD) method. It reveals that peak wavelengths and local field enhancements are largely affected by the size and shape of the bowtie antenna. The optical field can be drastically enhanced by reducing the gap size less than 30 nm which can easily be achieved by the MEMS system.
