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Rotation of two-dimensional arrays of microparticles trappedby circularly polarized light
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10.1063/1.1767953
/content/aip/journal/apl/84/26/10.1063/1.1767953
http://aip.metastore.ingenta.com/content/aip/journal/apl/84/26/10.1063/1.1767953
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Sequence of images, (a)–(f), showing rotation of seven -diameter polystyrene beads for one cycle. Right- and left-hand side images in each frame show two-dimensional trapping due to left- and right-circularly polarized light, respectively. One of the beads in each array is tracked with a black dot.

Image of FIG. 2.
FIG. 2.

Rotation rate as a function of the position of the beam focus relative to the coverslip–water interface, in right - and left - circularly polarized light of , where the clockwise rotation is taken to be the positive one. The image of the array became more blurred with increasing above , so the rotation rate in that region is not illustrated.

Image of FIG. 3.
FIG. 3.

Rotation rate as a function of the number of two-dimensionally trapped polystyrene beads at laser power of .

Image of FIG. 4.
FIG. 4.

Maximum rotation rate of the array of seven -diameter polystyrene beads as a function of the laser power.

Image of FIG. 5.
FIG. 5.

Interference patterns with a change in the position of the beam focus: (a) , (b) , and (c) .

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/content/aip/journal/apl/84/26/10.1063/1.1767953
2004-06-17
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Rotation of two-dimensional arrays of microparticles trappedby circularly polarized light
http://aip.metastore.ingenta.com/content/aip/journal/apl/84/26/10.1063/1.1767953
10.1063/1.1767953
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