title: Absorptance of thin films.
abstract: This paper describes a study of the absorptance of thin films with the aim of elucidating the region of validity for a direct relationship between the absorptance and the absorption coefficient. The calculations are performed for an unsupported film, a film on a transparent or metallic substrate, and for the absorptance as a function of polarization.
authors.forename: R G
authors.initials: RG
authors.lastname: Buckley
authors.forename: D
authors.initials: D
authors.lastname: Beaglehole