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Nonequilibrium phase change in gold films induced by ultrafast laser heating |
Optics Letters, Vol. 37, Issue 13, pp. 2691-2693 (2012)
http://dx.doi.org/10.1364/OL.37.002691
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Abstract
Ultrafast laser-induced melting in a gold thin film is simulated by an integrated continuum-atomistic method with the extended Drude model for dynamic optical properties. The local order parameter of atoms is used to identify solid and liquid regions. It is shown that the film is superheated in the early nonequilibrium stage and the melted region grows very quickly with a very high rate of melting up to
© 2012 Optical Society of America
OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(320.7090) Ultrafast optics : Ultrafast lasers
(320.7130) Ultrafast optics : Ultrafast processes in condensed matter, including semiconductors
ToC Category:
Ultrafast Optics
History
Original Manuscript: March 8, 2012
Revised Manuscript: May 3, 2012
Manuscript Accepted: May 18, 2012
Published: June 26, 2012
Citation
Yong Gan and J. K. Chen, "Nonequilibrium phase change in gold films induced by ultrafast laser heating," Opt. Lett. 37, 2691-2693 (2012)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-37-13-2691
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