Title :
Angular momentum in tightly focused beams with circular polarization
Author :
Bomzon, Zeev ; Shamir, Joseph
Author_Institution :
Fac. of Eng. & Ind. Sci., Swinburne Univ. of Technol., Hawthorn, VIC
Abstract :
Calculations of the angular momentum of focused circularly polarized beams are presented. The calculations indicate that the angular momentum at the focus increases with the numerical aperture, suggesting an exchange of angular momentum between beam and lens.
Keywords :
angular momentum; lenses; light polarisation; angular momentum; circular polarization; lens; numerical aperture; tightly focused beams; Apertures; Australia; Electromagnetic fields; Electromagnetic wave polarization; Focusing; Lenses; Optical microscopy; Optical polarization; Optical refraction; Torque;
Conference_Titel :
Optical Fibre Technology/Australian Optical Society, 2006. ACOFT/AOS 2006. Australian Conference on
Conference_Location :
Melbourne, VIC
Print_ISBN :
978-0-9775657-1-9
Electronic_ISBN :
978-0-9775657-1-9
DOI :
10.1109/ACOFT.2006.4519279
