Micromotor based on single fiber optical vortex tweezer

Optical micromotors are powerful tools for trapping and rotating microparticles in various fields of bio-photonics. Conventionally, optical micromotors are built using bulk optics, such as microscope objectives and SLMs. However, optical fibers provide an attractive alternative, offering a flexible...

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Main Authors: Luping Wu, Zhiyong Bai, Yuji Wang, Rui Liu, Jian Yu, Jianjun Ran, Zilun Luo, Shen Liu, Ying Wang, George Y. Chen, Jun He, Changrui Liao, Yiping Wang
Format: Article
Language:English
Published: AIP Publishing LLC 2024-11-01
Series:APL Photonics
Online Access:http://dx.doi.org/10.1063/5.0232282
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author Luping Wu
Zhiyong Bai
Yuji Wang
Rui Liu
Jian Yu
Jianjun Ran
Zilun Luo
Shen Liu
Ying Wang
George Y. Chen
Jun He
Changrui Liao
Yiping Wang
author_facet Luping Wu
Zhiyong Bai
Yuji Wang
Rui Liu
Jian Yu
Jianjun Ran
Zilun Luo
Shen Liu
Ying Wang
George Y. Chen
Jun He
Changrui Liao
Yiping Wang
author_sort Luping Wu
collection DOAJ
description Optical micromotors are powerful tools for trapping and rotating microparticles in various fields of bio-photonics. Conventionally, optical micromotors are built using bulk optics, such as microscope objectives and SLMs. However, optical fibers provide an attractive alternative, offering a flexible photon platform for optical micromotor applications. In this paper, we present an optical micromotor designed for 3D manipulation and rotation based on a single fiber optical vortex tweezer. A tightly focused vortex beam is excited by preparing a spiral zone plate with an ultrahigh numerical aperture of up to 0.9 at the end facet of a functionalized fiber. The focused vortex beam can optically manipulate and rotate a red blood cell in 3D space far from the fiber end facet. The trapping stiffness in parallel and perpendicular orientations to the fiber axis are measured by stably trapping a standard 3-µm silica bead. The rotational performance is analyzed by rotating a trimer composed of silica beads on a glass slide, demonstrating that the rotational frequency increases with rising optical power and the rotational direction is opposite to the topological charge of the spiral zone plate. The proposed fiber micromotor with its flexible manipulation of microparticle rotation circumvents the need for the precise relative position control of multiple fiber combinations and the use of specialized fibers. The innovations hold promising potential for applications in microfluidic pumping, biopsy, micromanipulation, and other fields.
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issn 2378-0967
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series APL Photonics
spelling doaj-art-3c2557386bf7498da169fe3eb780edae2025-08-20T02:18:47ZengAIP Publishing LLCAPL Photonics2378-09672024-11-01911116106116106-910.1063/5.0232282Micromotor based on single fiber optical vortex tweezerLuping Wu0Zhiyong Bai1Yuji Wang2Rui Liu3Jian Yu4Jianjun Ran5Zilun Luo6Shen Liu7Ying Wang8George Y. Chen9Jun He10Changrui Liao11Yiping Wang12Shenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaShenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaShenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaShenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaChongqing Engineering Research Center of Intelligent Sensing Technology and Microsystem, Chongqing University of Post and Telecommunications, Chongqing 400065, ChinaShenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaShenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaShenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaShenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaShenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaShenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaShenzhen Key Laboratory of Photonic Devices and Sensing Systems for Internet of Things, Guangdong and Hong Kong Joint Research Centre for Optical Fibre Sensors, State Key Laboratory of Radio Frequency Heterogeneous Integration, College of Physics and Optoelectronic Engineering, Shenzhen University, Shenzhen 518060, ChinaGuangdong Laboratory of Artificial Intelligence and Digital Economy (SZ), Shenzhen 518107, ChinaOptical micromotors are powerful tools for trapping and rotating microparticles in various fields of bio-photonics. Conventionally, optical micromotors are built using bulk optics, such as microscope objectives and SLMs. However, optical fibers provide an attractive alternative, offering a flexible photon platform for optical micromotor applications. In this paper, we present an optical micromotor designed for 3D manipulation and rotation based on a single fiber optical vortex tweezer. A tightly focused vortex beam is excited by preparing a spiral zone plate with an ultrahigh numerical aperture of up to 0.9 at the end facet of a functionalized fiber. The focused vortex beam can optically manipulate and rotate a red blood cell in 3D space far from the fiber end facet. The trapping stiffness in parallel and perpendicular orientations to the fiber axis are measured by stably trapping a standard 3-µm silica bead. The rotational performance is analyzed by rotating a trimer composed of silica beads on a glass slide, demonstrating that the rotational frequency increases with rising optical power and the rotational direction is opposite to the topological charge of the spiral zone plate. The proposed fiber micromotor with its flexible manipulation of microparticle rotation circumvents the need for the precise relative position control of multiple fiber combinations and the use of specialized fibers. The innovations hold promising potential for applications in microfluidic pumping, biopsy, micromanipulation, and other fields.http://dx.doi.org/10.1063/5.0232282
spellingShingle Luping Wu
Zhiyong Bai
Yuji Wang
Rui Liu
Jian Yu
Jianjun Ran
Zilun Luo
Shen Liu
Ying Wang
George Y. Chen
Jun He
Changrui Liao
Yiping Wang
Micromotor based on single fiber optical vortex tweezer
APL Photonics
title Micromotor based on single fiber optical vortex tweezer
title_full Micromotor based on single fiber optical vortex tweezer
title_fullStr Micromotor based on single fiber optical vortex tweezer
title_full_unstemmed Micromotor based on single fiber optical vortex tweezer
title_short Micromotor based on single fiber optical vortex tweezer
title_sort micromotor based on single fiber optical vortex tweezer
url http://dx.doi.org/10.1063/5.0232282
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