Dynamics of multiple trapping by a single-beam laser tweezer | Zendy

Daniel S. Kaputa | Zendy; Andrey N. Kuzmin | Zendy; Aliaksandr V. Kachynski | Zendy; Alexander N. Cartwright | Zendy; Paras N. Prasad | Zendy

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Dynamics of multiple trapping by a single-beam laser tweezer

Author(s) -

Daniel S. Kaputa,

Andrey N. Kuzmin,

Aliaksandr V. Kachynski,

Alexander N. Cartwright,

Paras N. Prasad

Publication year - 2005

Publication title -

applied optics

Language(s) - English

Resource type - Journals

ISSN - 0003-6935

DOI - 10.1364/ao.44.003963

Subject(s) - optical tweezers , trapping , optics , laser , materials science , trap (plumbing) , beam (structure) , laser beams , laser power scaling , optical force , physics , ecology , meteorology , biology

A multiple-trap single-beam scanning laser tweezer system was developed and characterized. Different stationary and mobile multiple-trap modes were generated for polystyrene beads in a water environment. Trapping efficiency and stability were investigated for several dynamic parameters such as transition time between the sites, waiting time on a single site, number of trapping sites, and IR laser power. Optimal parameters for efficient generation of complex arrays and matrices were determined. We demonstrate an example of a single laser beam multiple-trap application by measuring the trap's stiffness in water for our laser tweezer setup.

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