Dynamically adjustable annular laser trapping based on axicons

Bing Shao; Sadik C. Esener; Jaclyn M. Nascimento; Elliot L. Botvinick; Michael W. Berns

doi:10.1364/AO.45.006421

Dynamically adjustable annular laser trapping based on axicons

Bing Shao, Sadik C. Esener, Jaclyn M. Nascimento, Elliot L. Botvinick, Michael W. Berns

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

35 Scopus citations

Abstract

To study the chemotactic response of sperm to an egg and to characterize sperm motility, an annular laser trap based on axicons is designed, simulated with the ray-tracing tool, and implemented. The diameter of the trapping ring can be adjusted dynamically for a range of over 400 μm by simply translating one axicon along the optical axis. Trapping experiments with microspheres and dog sperm demonstrate the feasibility of the system, and the power requirement agrees with theoretical expectation. This new type of laser trapping could provide a prototype of a parallel, objective, and quantitative tool for animal fertility and biotropism study.

Original language	English (US)
Pages (from-to)	6421-6428
Number of pages	8
Journal	Applied Optics
Volume	45
Issue number	25
DOIs	https://doi.org/10.1364/AO.45.006421
State	Published - Sep 1 2006
Externally published	Yes

ASJC Scopus subject areas

Atomic and Molecular Physics, and Optics
Engineering (miscellaneous)
Electrical and Electronic Engineering

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10.1364/AO.45.006421

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abstract = "To study the chemotactic response of sperm to an egg and to characterize sperm motility, an annular laser trap based on axicons is designed, simulated with the ray-tracing tool, and implemented. The diameter of the trapping ring can be adjusted dynamically for a range of over 400 μm by simply translating one axicon along the optical axis. Trapping experiments with microspheres and dog sperm demonstrate the feasibility of the system, and the power requirement agrees with theoretical expectation. This new type of laser trapping could provide a prototype of a parallel, objective, and quantitative tool for animal fertility and biotropism study.",

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AU - Esener, Sadik C.

AU - Nascimento, Jaclyn M.

AU - Botvinick, Elliot L.

AU - Berns, Michael W.

PY - 2006/9/1

Y1 - 2006/9/1

N2 - To study the chemotactic response of sperm to an egg and to characterize sperm motility, an annular laser trap based on axicons is designed, simulated with the ray-tracing tool, and implemented. The diameter of the trapping ring can be adjusted dynamically for a range of over 400 μm by simply translating one axicon along the optical axis. Trapping experiments with microspheres and dog sperm demonstrate the feasibility of the system, and the power requirement agrees with theoretical expectation. This new type of laser trapping could provide a prototype of a parallel, objective, and quantitative tool for animal fertility and biotropism study.

AB - To study the chemotactic response of sperm to an egg and to characterize sperm motility, an annular laser trap based on axicons is designed, simulated with the ray-tracing tool, and implemented. The diameter of the trapping ring can be adjusted dynamically for a range of over 400 μm by simply translating one axicon along the optical axis. Trapping experiments with microspheres and dog sperm demonstrate the feasibility of the system, and the power requirement agrees with theoretical expectation. This new type of laser trapping could provide a prototype of a parallel, objective, and quantitative tool for animal fertility and biotropism study.

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Dynamically adjustable annular laser trapping based on axicons

Abstract

ASJC Scopus subject areas

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