title: Two-focal-length optical correlator.
abstract: A two-focal-length coherent optical correlator design is presented that uses simple, single element lenses. Experimental autocorrelation results using a binary phase-only filter verify the performance of this compact design.
authors.forename: J L
authors.initials: JL
authors.lastname: Horner
authors.forename: C K
authors.initials: CK
authors.lastname: Makekau