Optical application and measurement of torque on microparticles of isotropic nonabsorbing material

We show how it is possible to controllably rotate or align microscopic particles of isotropic nonabsorbing material in a TEM{sub 00} Gaussian beam trap, with simultaneous measurement of the applied torque using purely optical means. This is a simple and general method of rotation, requiring only tha...

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Veröffentlicht in:	Physical review. A, Atomic, molecular, and optical physics Atomic, molecular, and optical physics, 2003-09, Vol.68 (3), Article 033802
Hauptverfasser:	Bishop, Alexis I., Nieminen, Timo A., Heckenberg, Norman R., Rubinsztein-Dunlop, Halina
Format:	Artikel
Sprache:	eng
Schlagworte:	ABSORPTION ATOMIC AND MOLECULAR PHYSICS ELECTROMAGNETIC RADIATION PARTICLES RADIATION PRESSURE ROTATION TORQUE TRAPS
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