Maskless laser tailoring of conical pillar arrays for antireflective biomimetic surfaces
- 17 August 2011
- journal article
- Published by Optica Publishing Group in Optics Letters
- Vol. 36 (17) , 3305-3307
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.Keywords
Funding Information
- (NSFC) (61008035, 90923037)
- and the 873 Program (2009AA03Z401)
This publication has 21 references indexed in Scilit:
- Antireflective characteristics of disordered GaAs subwavelength structures by thermally dewetted Au nanoparticlesSolar Energy Materials and Solar Cells, 2011
- Curvature‐Driven Reversible In Situ Switching Between Pinned and Roll‐Down Superhydrophobic States for Water Droplet TransportationAdvanced Materials, 2010
- Heteroepitaxial Patterned Growth of Vertically Aligned and Periodically Distributed ZnO Nanowires on GaN Using Laser Interference AblationAdvanced Functional Materials, 2010
- Antireflective surfaces based on biomimetic nanopillared arraysNano Today, 2010
- Self-Assembled Monolayer Islands Masked Chemical Etching for Broad-Band Antireflective Silicon SurfacesThe Journal of Physical Chemistry C, 2010
- A facile approach for artificial biomimetic surfaces with both superhydrophobicity and iridescenceSoft Matter, 2009
- Optical thin-film materials with low refractive index for broadband elimination of Fresnel reflectionNature Photonics, 2007
- Antireflective submicrometer surface-relief gratings for solar applicationsSolar Energy Materials and Solar Cells, 1998
- Antireflection structured surfaces for the infrared spectral regionApplied Optics, 1993
- Reduction of Lens Reflexion by the “Moth Eye” PrincipleNature, 1973