title: Performance measurement techniques for simple Fourier transform lenses.
abstract: The use of simple off-the-shelf lenses as Fourier transform elements in an optical computer is considered. Several schemes for measuring those lens parameters that determine the performance of such simple lenses as Fourier transform elements are provided with emphasis on lens phase errors. It is assumed that no lens design data are available for the lens under test.
authors.forename: D
authors.initials: D
authors.lastname: Casasent
authors.forename: T
authors.initials: T
authors.lastname: Luu