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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Vol. 36, Iss. 17 — Sep. 1, 2011
  • pp: 3305–3307

Maskless laser tailoring of conical pillar arrays for antireflective biomimetic surfaces

Lei Wang, Bin-Bin Xu, Qi-Dai Chen, Zhuo-Chen Ma, Ran Zhang, Qing-Xue Liu, and Hong-Bo Sun  »View Author Affiliations


Optics Letters, Vol. 36, Issue 17, pp. 3305-3307 (2011)
http://dx.doi.org/10.1364/OL.36.003305


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Abstract

Herein, we report a facile approach for rapid and maskless production of subwavelength structured antireflective surfaces with high and broadband transmittance—direct laser interference ablation. The interfered laser beams were introduced into the surface of a bare optical substrate, where structured surfaces consisting of a micropillar array were produced by two-step laser irradiation in the time frame of seconds. A multiple exposure of the two-beam interference approach was proposed instead of multiple-beam interference to simply realize planar patterns of a high aspect ratio. Tall sinusoidal pillars were created and shaped by pulse shot number control. As an example of the application, zinc sulfide substrates were processed with the technology, from which high transmission at an infrared wavelength, over 92%, at normal incidence was experimentally achieved.

© 2011 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(090.0090) Holography : Holography
(220.0220) Optical design and fabrication : Optical design and fabrication
(240.0240) Optics at surfaces : Optics at surfaces

ToC Category:
Optical Design and Fabrication

History
Original Manuscript: July 1, 2011
Revised Manuscript: July 31, 2011
Manuscript Accepted: July 31, 2011
Published: August 17, 2011

Citation
Lei Wang, Bin-Bin Xu, Qi-Dai Chen, Zhuo-Chen Ma, Ran Zhang, Qing-Xue Liu, and Hong-Bo Sun, "Maskless laser tailoring of conical pillar arrays for antireflective biomimetic surfaces," Opt. Lett. 36, 3305-3307 (2011)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-36-17-3305

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