3-dimensional dark traps for low refractive index bio-cells using a single optical fiber Bessel beam

Yu Zhang; Xiaoyun Tang; Yaxun Zhang; Wenjie Su; Zhihai Liu; Xinghua Yang; Jianzhong Zhang; Jun Yang; Kyunghwan Oh; Libo Yuan

doi:10.1364/OL.43.002784

3-dimensional dark traps for low refractive index bio-cells using a single optical fiber Bessel beam

Yu Zhang, Xiaoyun Tang, Yaxun Zhang, Wenjie Su, Zhihai Liu, Xinghua Yang, Jianzhong Zhang, Jun Yang, Kyunghwan Oh, Libo Yuan

Department of Physics

Research output: Contribution to journal › Article › peer-review

17 Citations (Scopus)

Abstract

We proposed and experimentally demonstrated 3-dimensional dark traps for low refractive index bio-cells using a single optical fiber Bessel beam. The Bessel beam was produced by concatenating single-mode fiber and a step indexmultimode fiber, which was then focused by a high refractive index glass microsphere integrated on the fiber end facet. The focused Bessel beam provided two dark fields along the axial direction, where stable trapping of low refractive index bio-cells was realized in a high refractive index liquid bath. The all-fiber and seamlessly integrated structure of the proposed scheme can find ample potential as a micro-optical probe in in situ characterization and manipulation of multiple bio-cells with refractive indices lower than that of the liquid bath.

Original language	English
Pages (from-to)	2784-2786
Number of pages	3
Journal	Optics Letters
Volume	43
Issue number	12
DOIs	https://doi.org/10.1364/OL.43.002784
Publication status	Published - 2018 Jun 15

Bibliographical note

Funding Information:
Funding. National Natural Science Foundation of China (NSFC) (61675053, 61775047, 61705051); 111 Project (B13015); Fundamental Research Funds for Harbin Engineering University of China.

Funding Information:
National Natural Science Foundation of China (NSFC) (61675053, 61775047, 61705051); 111 Project (B13015); Fundamental Research Funds for Harbin Engineering University of China.

Publisher Copyright:
© 2018 Optical Society of America.

All Science Journal Classification (ASJC) codes

Atomic and Molecular Physics, and Optics

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10.1364/OL.43.002784

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title = "3-dimensional dark traps for low refractive index bio-cells using a single optical fiber Bessel beam",

abstract = "We proposed and experimentally demonstrated 3-dimensional dark traps for low refractive index bio-cells using a single optical fiber Bessel beam. The Bessel beam was produced by concatenating single-mode fiber and a step indexmultimode fiber, which was then focused by a high refractive index glass microsphere integrated on the fiber end facet. The focused Bessel beam provided two dark fields along the axial direction, where stable trapping of low refractive index bio-cells was realized in a high refractive index liquid bath. The all-fiber and seamlessly integrated structure of the proposed scheme can find ample potential as a micro-optical probe in in situ characterization and manipulation of multiple bio-cells with refractive indices lower than that of the liquid bath.",

author = "Yu Zhang and Xiaoyun Tang and Yaxun Zhang and Wenjie Su and Zhihai Liu and Xinghua Yang and Jianzhong Zhang and Jun Yang and Kyunghwan Oh and Libo Yuan",

note = "Funding Information: Funding. National Natural Science Foundation of China (NSFC) (61675053, 61775047, 61705051); 111 Project (B13015); Fundamental Research Funds for Harbin Engineering University of China. Funding Information: National Natural Science Foundation of China (NSFC) (61675053, 61775047, 61705051); 111 Project (B13015); Fundamental Research Funds for Harbin Engineering University of China. Publisher Copyright: {\textcopyright} 2018 Optical Society of America.",

year = "2018",

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doi = "10.1364/OL.43.002784",

language = "English",

volume = "43",

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T1 - 3-dimensional dark traps for low refractive index bio-cells using a single optical fiber Bessel beam

AU - Zhang, Yu

AU - Tang, Xiaoyun

AU - Zhang, Yaxun

AU - Su, Wenjie

AU - Liu, Zhihai

AU - Yang, Xinghua

AU - Zhang, Jianzhong

AU - Yang, Jun

AU - Oh, Kyunghwan

AU - Yuan, Libo

N1 - Funding Information: Funding. National Natural Science Foundation of China (NSFC) (61675053, 61775047, 61705051); 111 Project (B13015); Fundamental Research Funds for Harbin Engineering University of China. Funding Information: National Natural Science Foundation of China (NSFC) (61675053, 61775047, 61705051); 111 Project (B13015); Fundamental Research Funds for Harbin Engineering University of China. Publisher Copyright: © 2018 Optical Society of America.

PY - 2018/6/15

Y1 - 2018/6/15

N2 - We proposed and experimentally demonstrated 3-dimensional dark traps for low refractive index bio-cells using a single optical fiber Bessel beam. The Bessel beam was produced by concatenating single-mode fiber and a step indexmultimode fiber, which was then focused by a high refractive index glass microsphere integrated on the fiber end facet. The focused Bessel beam provided two dark fields along the axial direction, where stable trapping of low refractive index bio-cells was realized in a high refractive index liquid bath. The all-fiber and seamlessly integrated structure of the proposed scheme can find ample potential as a micro-optical probe in in situ characterization and manipulation of multiple bio-cells with refractive indices lower than that of the liquid bath.

AB - We proposed and experimentally demonstrated 3-dimensional dark traps for low refractive index bio-cells using a single optical fiber Bessel beam. The Bessel beam was produced by concatenating single-mode fiber and a step indexmultimode fiber, which was then focused by a high refractive index glass microsphere integrated on the fiber end facet. The focused Bessel beam provided two dark fields along the axial direction, where stable trapping of low refractive index bio-cells was realized in a high refractive index liquid bath. The all-fiber and seamlessly integrated structure of the proposed scheme can find ample potential as a micro-optical probe in in situ characterization and manipulation of multiple bio-cells with refractive indices lower than that of the liquid bath.

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JF - Optics Letters

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3-dimensional dark traps for low refractive index bio-cells using a single optical fiber Bessel beam

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