Glan prism or Glan polarizer may refer to:
- Glan–Thompson prism, a polarizer made from cemented calcite prisms
- Glan–Foucault prism, a polarizer made from air-spaced calcite prisms
- Glan–Taylor prism, an improved air-spaced calcite polarizer design
- Glan–laser prism, a high-power Glan–Taylor prism
Famous quotes containing the word prism:
“Neither can I do anything to please critics belonging to the good old school of “projected biography,” who examine an author’s work, which they do not understand, through the prism of his life, which they do not know.”
—Vladimir Nabokov (1899–1977)