1 July 2015 A mode-division-multiplexing single fiber optical tweezers
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Proceedings Volume 9655, Fifth Asia-Pacific Optical Sensors Conference; 96551D (2015) https://doi.org/10.1117/12.2183608
Event: Fifth Asia Pacific Optical Sensors Conference, 2015, Jeju, Korea, Republic of
We propose and demonstrate a mode division multiplexing single fiber optical tweezers. By using this tweezers, one can trap a yeast cell and then launch it away from the fiber tip with a certain speed to a certain position without moving the optical fiber in a single fiber optical trapping apparatus. We excite both LP01 and LP11 mode beams in a same normal communication fiber core to generate the optical launching 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 trapping and launching potential wells by controlling the power of two mode beams. This micro particle directional launching function expands 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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Enming Zhao, Zhihai Liu, Yu Zhang, Yaxun Zhang, Jun Yang, and Libo Yuan "A mode-division-multiplexing single fiber optical tweezers", Proc. SPIE 9655, Fifth Asia-Pacific Optical Sensors Conference, 96551D (1 July 2015); doi: 10.1117/12.2183608; https://doi.org/10.1117/12.2183608

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