title: Optical interference coatings: introduction by the feature editors.
abstract: This introduction briefly reviews the history of the series of topical meetings on optical interference coatings and defines the scope of the features in this 15 July 1989 issue on the papers from the Fourth Topical Meeting.
authors.forename: H A
authors.initials: HA
authors.lastname: Macleod
authors.forename: A
authors.initials: A
authors.lastname: Thelen