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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 52, Iss. 31 — Nov. 1, 2013
  • pp: 7586–7591

Mimicking bicolor by changing the reflectance of the substrate in a one-dimensional periodic structure

Bin Wang, Yong-Hong Ye, and Li Yang  »View Author Affiliations


Applied Optics, Vol. 52, Issue 31, pp. 7586-7591 (2013)
http://dx.doi.org/10.1364/AO.52.007586


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Abstract

In nature, some beetles can display bicolor on their elytra. In order to explore the bicolor mechanism, we experimentally studied the optical and structural properties of the Carabus lafossei beetle. We found a multilayer structure in the cuticle of the beetle. Due to the different multilayer thicknesses in different areas, the beetle displayed bicolor. Here, we provide another approach to fabricate bicolor by depositing the same multilayer stack on a substrate with different reflectances at different areas. In this paper, the substrate with different reflectances is achieved by prefabricating sculpted hexagons (SU-8) on a silicon substrate. By coating a (ZnS/MgF2)3.5 multilayer, the sculpted structure displays green color at the ridges (SU-8/silicon area) and yellow color at the basins (silicon area).

© 2013 Optical Society of America

OCIS Codes
(220.4000) Optical design and fabrication : Microstructure fabrication
(330.1690) Vision, color, and visual optics : Color
(160.1435) Materials : Biomaterials

ToC Category:
Materials

History
Original Manuscript: May 16, 2013
Revised Manuscript: September 29, 2013
Manuscript Accepted: October 5, 2013
Published: October 29, 2013

Virtual Issues
Vol. 9, Iss. 1 Virtual Journal for Biomedical Optics

Citation
Bin Wang, Yong-Hong Ye, and Li Yang, "Mimicking bicolor by changing the reflectance of the substrate in a one-dimensional periodic structure," Appl. Opt. 52, 7586-7591 (2013)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-52-31-7586

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