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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 34, Iss. 12 — Jun. 15, 2009
  • pp: 1846–1848

Regular subwavelength surface structures induced by femtosecond laser pulses on stainless steel

Litao Qi, Kazuhiro Nishii, and Yoshiharu Namba  »View Author Affiliations


Optics Letters, Vol. 34, Issue 12, pp. 1846-1848 (2009)
http://dx.doi.org/10.1364/OL.34.001846


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Abstract

In this research, we studied the formation of laser-induced periodic surface structures on the stainless steel surface using femtosecond laser pulses. A 780 nm wavelength femtosecond laser, through a 0.2 mm pinhole aperture for truncating fluence distribution, was focused onto the stainless steel surface. Under different experimental condition, low-spatial-frequency laser-induced periodic surface structures with a period of 526 nm and high-spatial-frequency laser-induced periodic surface structures with a period of 310 nm were obtained. The mechanism of the formation of laser-induced periodic surface structures on the stainless steel surface is discussed.

© 2009 Optical Society of America

OCIS Codes
(140.3390) Lasers and laser optics : Laser materials processing
(160.3900) Materials : Metals
(190.4350) Nonlinear optics : Nonlinear optics at surfaces
(220.4000) Optical design and fabrication : Microstructure fabrication

ToC Category:
Lasers and Laser Optics

History
Original Manuscript: January 8, 2009
Revised Manuscript: May 1, 2009
Manuscript Accepted: May 8, 2009
Published: June 10, 2009

Citation
Litao Qi, Kazuhiro Nishii, and Yoshiharu Namba, "Regular subwavelength surface structures induced by femtosecond laser pulses on stainless steel," Opt. Lett. 34, 1846-1848 (2009)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-34-12-1846

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