Title :
Generating optical tractor beams of improved stability with metasurfaces
Author :
Pfeiffer, Carl ; Cheng Zhang ; Guo, L. Jay ; Grbic, Anthony
Author_Institution :
Dept. of Electr. Eng. & Comput. Sci., Univ. of Michigan, Ann Arbor, MI, USA
Abstract :
A tractor beam is a propagation invariant beam that pulls objects towards a light source. Here, an efficient tractor beam with improved stability is generated by illuminating a dielectric metasurface with a Gaussian beam.
Keywords :
laser beams; optical metamaterials; Gaussian beam; dielectric metasurface; light source; optical tractor beams; propagation invariant beam; stability; Agricultural machinery; Charge carrier processes; Dielectrics; Force; Laser beams; Optical propagation; Particle beams;
Conference_Titel :
Lasers and Electro-Optics (CLEO), 2015 Conference on
Conference_Location :
San Jose, CA
