期刊
OPTICS EXPRESS
卷 19, 期 12, 页码 11422-11428出版社
OPTICAL SOC AMER
DOI: 10.1364/OE.19.011422
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资金
- Army Research Office [56801-MS-YIP]
We explore a technique which we term light-assisted templated self-assembly. We calculate the optical forces on colloidal particles over a photonic crystal slab. We show that exciting a guided resonance mode of the slab yields a resonantly-enhanced, attractive optical force. We calculate the lateral optical forces above the slab and predict that stably trapped periodic patterns of particles are dependent on wavelength and polarization. Tuning the wavelength or polarization of the light source may thus allow the formation and reconfiguration of patterns. We expect that this technique may be used to design all-optically reconfigurable photonic devices. (C)2011 Optical Society of America
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