In optics, an Abbe prism, named for its inventor, the German physicist Ernst Abbe, is a type of constant deviation dispersive prism similar to a Pellin–Broca prism. == Structure == The prism consists of a block of glass forming a right prism with 30°–60°–90° triangular faces.
In optics, an Abbe prism, named for its inventor, the German physicist Ernst Abbe, is a type of constant deviation dispersive prism similar to a Pellin–Broca prism. == Structure == The prism consists of a block of glass forming a right prism with 30°–60°–90° triangular faces.
Source: Wikipedia "Abbe prism" · CC BY-SA 4.0
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