Living photonic crystals: Butterfly scales - Nanostructure and optical properties

L. Bíró, K. Kertész, Z. Vértesy, G. Márk, Z. Bálint, V. Lousse, J. P. Vigneron

Research output: Contribution to journalArticle

57 Citations (Scopus)

Abstract

The photonic crystal type nanostructures in the scales of male individuals of two butterfly species: Cyanophrys remus and Albulina metallica were investigated by electron microscopy and reflectance measurements. While the colors of C. remus arise from structures with rigorous long range (dorsal) or short range (ventral) three dimensional (3D) order, the colors of A. metallica are produced by quasi-ordered, layered structures. Surprisingly, the most efficient photonic band gap reflector is the quasi-ordered structure giving the shiny, yellowish green color of the ventral hind wings of A. metallica. All four investigated structures are based on a moderate refractive index contrast between chitin (n = 1.58) and air, the various structures achieve a wide range of biological functions.

Original languageEnglish
Pages (from-to)941-946
Number of pages6
JournalMaterials Science and Engineering C
Volume27
Issue number5-8 SPEC. ISS.
DOIs
Publication statusPublished - Sep 2007

Fingerprint

Photonic crystals
Nanostructures
Optical properties
photonics
Color
color
optical properties
chitin
crystals
Photonic band gap
Chitin
Reflectometers
wings
Electron microscopy
reflectors
Refractive index
electron microscopy
refractivity
reflectance
air

Keywords

  • Butterfly wing scales
  • Electron microscopy
  • Nanostructures
  • Photonic crystals
  • Reflectance

ASJC Scopus subject areas

  • Biomaterials

Cite this

Living photonic crystals : Butterfly scales - Nanostructure and optical properties. / Bíró, L.; Kertész, K.; Vértesy, Z.; Márk, G.; Bálint, Z.; Lousse, V.; Vigneron, J. P.

In: Materials Science and Engineering C, Vol. 27, No. 5-8 SPEC. ISS., 09.2007, p. 941-946.

Research output: Contribution to journalArticle

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