Dynamics of optical matter creation and annihilation in colloidal liquids controlled by laser trapping power
Optics Letters, Vol. 33, Issue 22, pp. 2617-2619 (2008)
http://dx.doi.org/10.1364/OL.33.002617
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Abstract
We investigate the dynamics of optical matter creation and annihilation in a colloidal liquid that was employed to construct an all-optical switch. It is revealed that the switching-on process can be characterized by the Fermi–Dirac distribution function, while the switching-off process can be described by a steady state followed by a single exponential decay. The phase transition times exhibit a strong dependence on trapping power. With an increasing trapping power, while the switching-on time decreases rapidly, the switch-off time increases significantly, indicating the effects of optical binding and van der Waals force on the lifetime of the optical matter.
© 2008 Optical Society of America
OCIS Codes
(140.7010) Lasers and laser optics : Laser trapping
(350.4238) Other areas of optics : Nanophotonics and photonic crystals
(350.4855) Other areas of optics : Optical tweezers or optical manipulation
ToC Category:
Other Areas of Optics
History
Original Manuscript: June 12, 2008
Revised Manuscript: October 6, 2008
Manuscript Accepted: October 6, 2008
Published: November 11, 2008
Citation
Jin Liu, Qiao-Feng Dai, Xu-Guang Huang, Li-Jun Wu, Qi Guo, Wei Hu, Xiang-Bo Yang, Sheng Lan, Achanta Venu Gopal, and Vyacheslav A. Trofimov, "Dynamics of optical matter creation and annihilation in colloidal liquids controlled by laser trapping power," Opt. Lett. 33, 2617-2619 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-22-2617
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