Dynamically adjustable annular laser trapping based on axicons

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

Research output: Contribution to journalArticle

18 Citations (Scopus)

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 languageEnglish (US)
Pages (from-to)6421-6428
Number of pages8
JournalApplied Optics
Volume45
Issue number25
DOIs
StatePublished - Sep 1 2006
Externally publishedYes

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trapping
Lasers
Ray tracing
Microspheres
fertility
lasers
Animals
dogs
translating
locomotion
eggs
ray tracing
animals
prototypes
traps
requirements
Experiments
rings

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics

Cite this

Shao, B., Esener, S., Nascimento, J. M., Botvinick, E. L., & Berns, M. W. (2006). Dynamically adjustable annular laser trapping based on axicons. Applied Optics, 45(25), 6421-6428. https://doi.org/10.1364/AO.45.006421

Dynamically adjustable annular laser trapping based on axicons. / Shao, Bing; Esener, Sadik; Nascimento, Jaclyn M.; Botvinick, Elliot L.; Berns, Michael W.

In: Applied Optics, Vol. 45, No. 25, 01.09.2006, p. 6421-6428.

Research output: Contribution to journalArticle

Shao, B, Esener, S, Nascimento, JM, Botvinick, EL & Berns, MW 2006, 'Dynamically adjustable annular laser trapping based on axicons', Applied Optics, vol. 45, no. 25, pp. 6421-6428. https://doi.org/10.1364/AO.45.006421
Shao, Bing ; Esener, Sadik ; Nascimento, Jaclyn M. ; Botvinick, Elliot L. ; Berns, Michael W. / Dynamically adjustable annular laser trapping based on axicons. In: Applied Optics. 2006 ; Vol. 45, No. 25. pp. 6421-6428.
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