11 November 2014 A micro particle launching apparatus based on mode-division-multiplexing technology
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Abstract
We propose and demonstrate a trapped yeast cell being launched away from the fiber tip with a certain speed to a certain position without moving the optical fiber in a single fiber optical trapping system. We excite both LP01 mode and LP11 mode beams in a same normal communication fiber core to generate the optical scattering force and trapping force by molding the fiber tip into a special tapered-tip shape. A yeast cell of 6μm diameter is trapped and then being launched away. We construct the optical launching well by controlling the power of double mode beams. Besides that, we also built a physical model to analyze the micro particle dynamic behavior characteristics during the launching moment. This micro particle directional launching function expanded new features of fiber optical tweezers based on the normal communication fiber, providing for the possibility of more practical applications in the biomedical research fields.
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Fangfang Cao, Zhihai Liu, "A micro particle launching apparatus based on mode-division-multiplexing technology", Proc. SPIE 9274, Advanced Sensor Systems and Applications VI, 92741Z (11 November 2014); doi: 10.1117/12.2073409; https://doi.org/10.1117/12.2073409
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