Optical manipulation of particle ensembles in air.
We demonstrate that airborne light-absorbing particles can be photophoretically trapped and moved inside an optical lattice formed by multiple-beam interference. This technique allows simultaneous three-dimensional manipulation of multiple micro-objects in gases.
Laser Physics Centre, Australian National University, Canberra, Australian Capital Territory 0200, Australia.
Vladlen G
VG
Shvedov
Cyril
C
Hnatovsky
Natalia
N
Shostka
Andrei V
AV
Rode
Wieslaw
W
Krolikowski
D000042:Absorption; D000388:Air; D008027:Light; D052898:Optical Tweezers