A reconfigurable plasmofluidic lens.
A reconfigurable plasmofluidic lens.
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DOI:
10.1038/ncomms3305
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发表时间:
2013
影响因子:
16.6
通讯作者:
Huang, Tony Jun
中科院分区:
文献类型:
--
作者:
Zhao, Chenglong;Liu, Yongmin;Zhao, Yanhui;Fang, Nicholas;Huang, Tony Jun
Plasmonics provides an unparalleled method for manipulating light beyond the diffraction limit, making it a promising technology for the development of ultra-small, ultra-fast, power-efficient optical devices. To date, the majority of plasmonic devices are in the solid state and have limited tunability or configurability. Moreover, individual solid-state plasmonic devices lack the ability to deliver multiple functionalities. Here we utilize laser-induced surface bubbles on a metal film to demonstrate, for the first time, a plasmonic lens in a microfluidic environment. Our “plasmofluidic lens” device is dynamically tunable and reconfigurable. We record divergence, collimation, and focusing of surface plasmon polaritons using this device. The plasmofluidic lens requires no sophisticated nanofabrication and utilizes only a single low-cost diode laser. Our results show that the integration of plasmonics and microfluidics allows for new opportunities in developing complex plasmonic elements with multiple functionalities, high-sensitivity and high-throughput biomedical detection systems, as well as on-chip, all-optical information processing techniques.
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