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  4. Crossed fiber optic Bessel beams for curvilinear optofluidic transport of dielectric particles
 
research article

Crossed fiber optic Bessel beams for curvilinear optofluidic transport of dielectric particles

Kim, Jongki
•
Lee, Sungrae
•
Jeong, Yoonseob
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2013
Optics Express

Due to its unique non-diffracting and self-reconstructing nature, Bessel beams have been successfully adopted to trap multiple particles along the beam's axial direction. However, prior bulk-optic based Bessel beams have a fundamental form-factor limitation for in situ, in-vitro, and in-vivo applications. Here we present a novel implementation of Fourier optics along a single strand of hybrid optical fiber in a monolithic manner that can generate pseudo Bessel beam arrays in two-dimensional space. We successfully demonstrate unique optofluidic transport of the trapped dielectric particles along a curvilinear optical route by multiplexing the fiber optic pseudo Bessel beams. The proposed technique can form a new building block to realize reconfigurable optofluidic transportation of particulates that can break the limitations of both prior bulk-optic Bessel beam generation techniques and conventional microfluidic channels. (C) 2013 Optical Society of America

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