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Proceedings Paper

Optical trapping of nanoscale plasmonic optical lattice in microfluidic environments
Author(s): Chia-Chun Hung; Jer-Shing Huang; Ya-Tang Yang
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Paper Abstract

Recent advances in optical manipulation have made it an ideal tool to create one, two, and three dimensional periodic optical potential. Such periodic potentials have found interesting technological and fundamental applications such as micro particle sorting and optical fractionation. Plasmon enhanced optical trapping techniques using metallic nanostructures can overcome the diffraction limits of far-field optical trap techniques and therefore permit trapping of nanoparticle with deep sub wavelength dimensions. Here we report the trapping of nanoparticles for a plasmon-enhanced two dimensional optical lattice integrated with microfluidic chip. We observe the trapping of nanoparticles over such an optical lattice. Such an integrated device allows the directional control of nano particles and provides a suitable platform for stochastic transport experiment such as nanoscale optical sorting.

Paper Details

Date Published: 16 September 2014
PDF: 4 pages
Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 91641G (16 September 2014); doi: 10.1117/12.2060956
Show Author Affiliations
Chia-Chun Hung, National Tsing Hua Univ. (Taiwan)
Jer-Shing Huang, National Tsing Hua Univ. (Taiwan)
Ya-Tang Yang, National Tsing Hua Univ. (Taiwan)

Published in SPIE Proceedings Vol. 9164:
Optical Trapping and Optical Micromanipulation XI
Kishan Dholakia; Gabriel C. Spalding, Editor(s)

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