Optical levitation and trapping of a micro-optic inclined end-surface cylindrical spinner
Cylindrical micro-objects with inclined end surfaces have been observed to be optically trapped in a focused laser beam and to rotate about the beam's propagation direction. A simplified vector model is developed that accounts for the observed effect; the enhanced ray-optics model is used to si...
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Veröffentlicht in: | Applied Optics 2001-04, Vol.40 (12), p.1961-1973 |
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Format: | Artikel |
Sprache: | eng |
Online-Zugang: | Volltext |
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Zusammenfassung: | Cylindrical micro-objects with inclined end surfaces have been observed to be optically trapped in a focused laser beam and to rotate about the beam's propagation direction. A simplified vector model is developed that accounts for the observed effect; the enhanced ray-optics model is used to simulate the behavior of time evolution for the cylindrical object in the beam. Experimental laser trap configurations are presented, along with a video image sequence of the cylinder's precession. |
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ISSN: | 1559-128X 0003-6935 1539-4522 |
DOI: | 10.1364/AO.40.001961 |