Title : 
Optical tweezers with tunable orbital angular momentum
         
        
            Author : 
Gecevicius, Mindaugas ; Drevinskas, Rokas ; Beresna, Martynas ; Kazansky, Peter G.
         
        
            Author_Institution : 
Optoelectron. Res. Centre, Univ. of Southampton, Southampton, UK
         
        
        
        
        
        
            Abstract : 
We demonstrate a method of optical vortices generation with continuous orbital angular momentum control. The beam generated with an S-waveplate is used as an optical spanner where the rotation speed of trapped particles can be controlled.
         
        
            Keywords : 
angular momentum; laser beams; optical control; optical retarders; optical scanners; optical vortices; radiation pressure; S-waveplate; beam generation; continuous orbital angular momentum control; optical spanner; optical tweezers; optical vortices generation; rotation speed; trapped particles; tunable orbital angular momentum; Charge carrier processes; Laser beams; Laser modes; Optical retarders; Optical vortices; Photonics; Polarization;
         
        
        
        
            Conference_Titel : 
Lasers and Electro-Optics (CLEO), 2014 Conference on
         
        
            Conference_Location : 
San Jose, CA