A study of multi-trapping of tapered-tip single fiber optical tweezers

We develop a pair of tapered-tip single fiber optical tweezers, and study its multi-trapping characteristic. The finite difference time domain method is employed to simulate the trapping force characteristic of this pair of single fiber optical tweezers, and the results show that the number of trapp...

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Veröffentlicht in:Chinese physics B 2014-08, Vol.23 (8), p.642-647
Hauptverfasser: Liang, Pei-Bo, Lei, Jiao-Jie, Liu, Zhi-Hai, Zhang, Yu, Yuan, Li-Bo
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container_issue 8
container_start_page 642
container_title Chinese physics B
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creator Liang, Pei-Bo
Lei, Jiao-Jie
Liu, Zhi-Hai
Zhang, Yu
Yuan, Li-Bo
description We develop a pair of tapered-tip single fiber optical tweezers, and study its multi-trapping characteristic. The finite difference time domain method is employed to simulate the trapping force characteristic of this pair of single fiber optical tweezers, and the results show that the number of trapped particles depends on the refractive index and the size of the particles. The trapping force of this pair of tapered-tip single fiber optical tweezers is calibrated by the experimental method, and the experimental results are consistent with the theoretical calculation results. The multi-trapping capability realized by the tapered-tip single fiber optical tweezers will be practical and useful for applications in biomedical research fields.
doi_str_mv 10.1088/1674-1056/23/8/088702
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source IOP Publishing Journals
subjects Calibration
Fiber optics
Mathematical analysis
Optical fibers
Refractive index
Simulation
Trapped particles
Trapping
光纤
光镊
套色
捕获能力
时域有限差分方法
生物医学
计算结果
锥形
title A study of multi-trapping of tapered-tip single fiber optical tweezers
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