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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 18, Iss. 3 — Feb. 1, 2010
  • pp: 2144–2151

Optical-vortex laser ablation

Junichi Hamazaki, Ryuji Morita, Keisuke Chujo, Yusuke Kobayashi, Satoshi Tanda, and Takashige Omatsu  »View Author Affiliations

Optics Express, Vol. 18, Issue 3, pp. 2144-2151 (2010)

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Laser ablation of Ta plates using nanosecond optical vortex pulses was carried out, for the first time. It was suggested that owing to orbital angular momentum of optical vortex, clearer and smoother processed surfaces were obtained with less ablation threshold fluence, in comparison with the ablation by a nonvortex annular beam modified from a spatially Gaussian beam.

© 2010 OSA

OCIS Codes
(140.3300) Lasers and laser optics : Laser beam shaping
(140.3390) Lasers and laser optics : Laser materials processing

ToC Category:
Lasers and Laser Optics

Original Manuscript: November 16, 2009
Revised Manuscript: December 20, 2009
Manuscript Accepted: January 7, 2010
Published: January 19, 2010

Junichi Hamazaki, Ryuji Morita, Keisuke Chujo, Yusuke Kobayashi, Satoshi Tanda, and Takashige Omatsu, "Optical-vortex laser ablation," Opt. Express 18, 2144-2151 (2010)

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