Ultrafast laser surface wettability modification on alumina surface
Chinese Optics Letters, Vol. 11, Issue 2, pp. 021403- (2013)
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Abstract
As a new research area, laser surface wettability modification brings new applications for both laser and materials for industry. The picoseconds (10 ps) pulse laser surface micro-processing over alumina covered aluminium is researched. In the experiment, 10-ps laser pulse is employed and the energy threshold for different laser wavelength and repetition rate is measured. At the repetition rate of 5 kHz, the energy thresholds are: 1 064 nm: 4.0 μJ/pulse, 532 nm: 2.8 μJ/pulse, and 355 nm: 4.2 μJ/pulse. Picoseconds pulse laser is demonstrated feasible in surface scanning at industrial level.
© 2013 Chinese Optics Letters
OCIS Codes
(140.0140) Lasers and laser optics : Lasers and laser optics
(140.5965) Lasers and laser optics : Semiconductor lasers, quantum cascade
Citation
Yiyu Shen, Dun Liu, Wei Zhang, Geof f Dearden, and Ken Watkins, "Ultrafast laser surface wettability modification on alumina surface," Chin. Opt. Lett. 11, 021403- (2013)
http://www.opticsinfobase.org/col/abstract.cfm?URI=col-11-2-021403
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