Evolution and the Calcite Eye Lens

Preprint English OPEN
Williams, Vernon L.;
(2013)
  • Subject: Physics - General Physics

Calcite is a uniaxial, birefringent crystal, which in its optically transparent form, has been used for animal eye lenses, the trilobite being one such animal. Because of the calcite birefringence there is a difficulty in using calcite as a lens. When the propagation di... View more
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