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Appl Opt. 2006 Oct 20;45(30):7944-50.

Polarization properties of Scarabaeidae.

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  • 1Air Force Research Laboratory, Eglin Air Force Base, Florida 32542, USA.


Beetles of the scarab family are known to reflect circularly polarized light from incident unpolarized light. They are unusual in that there are many animals that use polarized light in some form and several that actually create it, but there are few examples of the creation of circularly polarized light by animals. Scarabs have been measured with a spectropolarimetric reflectometer and are found to reflect light that is generally left-hand circularly polarized. Previous work is summarized, and what is believed to be new measurements of several scarab specimens are presented.

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