Cylindrical Bragg mirrors on leg segments of the male Bolivian blueleg tarantula Pamphobeteus antinous (Theraphosidae)

P. Simonis, A. Bay, V.L. Welch, J.-F. Colomer, J.P. Vigneron

    Research output: Contribution to journalArticlepeer-review

    Abstract

    The large male tarantula Pamphobeteus antinous is easily recognized at the presence of blue-violet iridescent bristles on some of the segments of its legs and pedipalps. The optical properties of these colored appendages have been measured and the internal geometrical structure of the bristles have been investigated. The coloration is shown to be caused by a curved coaxial multilayer which acts as a "cylindrical Bragg mirror".
    Original languageEnglish
    Pages (from-to)6979-6996
    Number of pages18
    JournalOptics Express
    Volume21
    Issue number6
    DOIs
    Publication statusPublished - 25 Mar 2013

    Keywords

    • tarantula
    • Bragg mirror
    • colour
    • color
    • bristle
    • Pamphobetus
    • antinous

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