Photonics Research, 2015, 3 (6): 06000308, Published Online: Jan. 6, 2016   

Optical trapping and orientation of Escherichia coli cells using two tapered fiber probes Download: 872次

Author Affiliations
State Key Laboratory of Optoelectronic Materials and Technologies, School of Physics and Engineering,Sun Yat-Sen University, Guangzhou 510275, China
Abstract
We report on the optical trapping and orientation of Escherichia coli (E. coli) cells using two tapered fiber probes. With a laser beam at 980 nm wavelength launched into probe I, an E. coli chain consisting of three cells was formed at the tip of probe I. After launching a beam at 980 nm into probe II, the E. coli at the end of the chain was trapped and oriented via the optical torques yielded by two probes. The orientation of the E. coli was controlled by adjusting the laser power of probe II. Experimental results were interpreted by theoretical analysis and numerical simulations.

Jianbin Huang, Xiaoshuai Liu, Yao Zhang, Baojun Li. Optical trapping and orientation of Escherichia coli cells using two tapered fiber probes[J]. Photonics Research, 2015, 3(6): 06000308.

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