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Proceedings Paper

Optofluidically driven micro- and nano-fluidic devices
Author(s): Sudeep Mandal; Allen Yang; David Erickson
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Paper Abstract

In this work we explore the possibility of developing micro-/nano-fluidic devices which exploits the intense electromagnetic fields present in nanophotonic structures as the primary transport mechanism. This transport mechanism is based on exploiting the near-field optical gradients (which serve to confine particles through a Lorenz force) and concentrated optical energy (resulting in intense scattering and absorption forces for propulsion through photon momentum transfer) present in these devices to perform a series of particle handling operations including transport, concentration and separation. Nanophotonic transport offers unique properties which give it several advantages over traditional techniques including: favorable transport scaling laws, extremely strong velocity dependence on particle size, insensitivity to surface/solution conditions and indefinitely long interaction lengths. In this work we detail the theory behind photonic transport and outline in detail the major advantages. Some of our initial experimental results on transport in liquid core photonic crystal devices and developing numerical simulation techniques describing photonic transport in such devices.

Paper Details

Date Published: 13 September 2006
PDF: 12 pages
Proc. SPIE 6329, Optofluidics, 63290E (13 September 2006); doi: 10.1117/12.681188
Show Author Affiliations
Sudeep Mandal, Cornell Univ. (United States)
Allen Yang, Cornell Univ. (United States)
David Erickson, Cornell Univ. (United States)

Published in SPIE Proceedings Vol. 6329:
Demetri Psaltis; Yeshaiahu Fainman, Editor(s)

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