Imaging scatterometry of butterfly wing scales

D. G. Stavenga*, H. L. Leertouwer, P. Pirih, M. F. Wehling

*Corresponding author for this work

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Abstract

We describe an imaging scatterometer allowing hemispherical reflectance measurements as a function of the angle of incidence. The heart of the scatterometer is an ellipsoidal reflector, which compresses the hemispherical reflection into a cone-shaped beam that can be imaged by a normal optical system. The instrument's performance is illustrated by measurements of the scattering profiles of the blue-iridescent dorsal wing scales of the nymphalid Morpho aega and the matte-green ventral wing scales of the lycaenid Callophrys rubi. (C) 2008 Optical Society of America

Original languageEnglish
Pages (from-to)193-202
Number of pages10
JournalOptics Express
Volume17
Issue number1
Publication statusPublished - 5-Jan-2009

Keywords

  • LIGHT-SCATTERING
  • PIERID BUTTERFLIES
  • DIFFRACTION
  • ABSORPTION
  • COLORS

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