English Explanatory Dictionary

λ/4 film

English dictionary entry

Meanings

noun
  1. Film having a retardation of a quarter of a specified wavelength, used with a polarizer film to lower the reflectance of a display significantly.

Word forms

λ/4 film λ/4 films

Etymology

λ (“wavelength”).

Synonyms

quarter-wavelength film quarter-wave plate λ/4 plate
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