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Photothermal effects in a plasmonic metamaterial structure

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6 Author(s)
Min Qiu ; Dept. of Opt. Eng., Zhejiang Univ., Hangzhou, China ; Yiting Chen ; Xi Chen ; Jing Wang
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Heat generation due to photothermal effects in plasmonic nanostructures have generated many important applications, due to the strong enhancement of light absorption through plasmonic resonance at visible and near-infrared region. In this talk, we review our recent experimental efforts on photothermal effects in a metamaterial nanostructure, which has an ultrasensitive heating response owing to plasmonic resonance. We observed close-to-instantaneous fusion and re-shaping of the nanoparticles with a nanosecond pulse train. The generated heat profile has a subwavelength resolution, and the resonance wavelength can be in principle tailored to arbitrary wavelength region by choosing an appropriate geometry for the resonator structure.

Published in:

Microopics Conference (MOC), 2011 17th

Date of Conference:

Oct. 30 2011-Nov. 2 2011