Optical trapping of nanoscale plasmonic optical lattice in microfluidic environments

Chia-Chun Hung; Jer-Shing Huang; Ya-Tang Yang

doi:10.1117/12.2060956

16 September 2014 Optical trapping of nanoscale plasmonic optical lattice in microfluidic environments

Chia-Chun Hung, Jer-Shing Huang, Ya-Tang Yang

Author Affiliations +

Proceedings Volume 9164, Optical Trapping and Optical Micromanipulation XI; 91641G (2014) https://doi.org/10.1117/12.2060956
Event: SPIE NanoScience + Engineering, 2014, San Diego, California, United States

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.

Citation Download Citation

Chia-Chun Hung, Jer-Shing Huang, and Ya-Tang Yang "Optical trapping of nanoscale plasmonic optical lattice in microfluidic environments", Proc. SPIE 9164, Optical Trapping and Optical Micromanipulation XI, 91641G (16 September 2014); https://doi.org/10.1117/12.2060956

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