title: Microoptics: introduction by the feature editors.
abstract: This introduction briefly defines the scope of the feature in this 10 Nov. 1990 issue on microoptics. The first part of the feature, on gradient-index imaging systems, has appeared in the 1 Oct. 1990 issue. All feature papers are based on presentations made at the joint conference MOC/GRIN '89.
authors.forename: H
authors.initials: H
authors.lastname: Nishihara
authors.forename: E W
authors.initials: EW
authors.lastname: Marchand