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Chinese Optics Letters

Chinese Optics Letters


  • Vol. 11, Iss. 2 — Feb. 1, 2013
  • pp: 021403–

Ultrafast laser surface wettability modification on alumina surface

Yiyu Shen, Dun Liu, Wei Zhang, Geof f Dearden, and Ken Watkins  »View Author Affiliations

Chinese Optics Letters, Vol. 11, Issue 2, pp. 021403- (2013)

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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

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)

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