Accession Number : AD0770805

Title :   Space Variance in Quasi-Linear Coherent Optical Processors,

Corporate Author : LAVAL UNIV QUEBEC LABORATOIRE DE RECHERCHES EN OPTIQUE ET LASER

Personal Author(s) : Arsenault,Henri H. ; Brousseau,Nicole

Report Date : 18 SEP 1972

Pagination or Media Count : 4

Abstract : Except when certain conditions are fulfilled, a coherent optical processor is not strictly space invariant, even in the absence of significant aberrations. Some experiments are carried out to determine the effect of space variance on the resolution of different parts of the image field. Some systems are space invariant only for a testricted class of objects: Such systems are called quasi-linear systems. Quasi-linear systems are shown to impose conditions not only upon the field of the object, but also upon its spatial-frequency content. The conditions for quasi-linearity are determined, together with the conditions that allow the maximum number of degrees of freedom in the object. (Author)

Descriptors :   *Data processing, *Optics, Coherent optical radiation, Optical equipment, Linear systems, Canada

Subject Categories : Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE