Statistics – Applications
Scientific paper
Dec 2006
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2006aas...20912104b&link_type=abstract
2007 AAS/AAPT Joint Meeting, American Astronomical Society Meeting 209, #121.04; Bulletin of the American Astronomical Society,
Statistics
Applications
Scientific paper
Recently, micromechanical elements which are rotated with light have been suggested as optically driven motors. An opto-mechanical rotation can be generated by linear momentum transfer from photons to helical structures. Light can directly transfer two kinds of angular momentum to tiny objects making them spin: spin angular momentum which is associated with circular polarization and orbital angular momentum which can be described as light with a helical momentum vector. We were able to trap and rotate a number of beads within a laser trap with orbital angular momentum. By analyzing the speed at which these beads rotate we hope to deduce the amount of force with which the laser powers this simple motor. We will present our own studies in this interesting subject and discuss some possible applications in physics and biology.
Brandenburg Kyle A.
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