Accession Number : ADD003071
Title : Testing and Inspecting Lens by Holographic Means.
Descriptive Note : Patent,
Corporate Author : DEPARTMENT OF THE ARMY WASHINGTON D C
Personal Author(s) : Hildebrand,Bernard P
Report Date : 27 Apr 1976
Pagination or Media Count : 8
Abstract : Processes for the accurate, rapid and inexpensive testing and inspecting of concave and convex lens surfaces through holographic means are presented. A hologram formed in accordance with one aspect of the invention contains the entire interferometer and serves as both a master and illuminating source for both concave and said convex surfaces to be tested.
Descriptors : *Patents, *Lenses, *Test equipment, *Holography, Interferometers, Surfaces, Quality control
Subject Categories : Holography
Distribution Statement : APPROVED FOR PUBLIC RELEASE