title: Thin film optical coatings. 3: Two-wavelength antireflection coatings.
abstract: This paper considers the conditions for obtaining an antireflection coating for two distinct wavelengths. Particular attention is paid to two- or three-layer coatings, and the paper explains the relations linking the indices with each other to obtain this result. The example of coatings adapted to a substrate with an index of 1.52 is quoted.
authors.forename: J
authors.initials: J
authors.lastname: Mouchart