Title :
Non-linear transfer of orbital angular momentum
Author :
Ng, Ping-Fung ; Go, Mary Ann ; Seelweger, Bérenger ; Bachor, Hans-A ; Daria, Vincent Ricardo
Author_Institution :
Res. Sch. of Phys. & Eng., Australian Nat. Univ., Canberra, ACT, Australia
fDate :
Aug. 28 2011-Sept. 1 2011
Abstract :
The orbital angular momentum (OAM) carried by Laguerre-Gaussian beams can be transferred to move particles along its ring-shaped intensity distribution. Here, we show a unique non-linear effect where a fluorescent microbead is moved in the opposite direction as the OAM.
Keywords :
angular momentum; fluorescence; laser beams; radiation pressure; Laguerre-Gaussian beams; fluorescent microbead; nonlinear transfer; orbital angular momentum; radiation pressure; ring shaped intensity distribution; Fluorescence; Force; Laser beams; Laser modes; Microscopy; Optical vortices; Photonics;
Conference_Titel :
Quantum Electronics Conference & Lasers and Electro-Optics (CLEO/IQEC/PACIFIC RIM), 2011
Conference_Location :
Sydney, NSW
Print_ISBN :
978-1-4577-1939-4
DOI :
10.1109/IQEC-CLEO.2011.6194171