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
      Optics

Distribution Statement : APPROVED FOR PUBLIC RELEASE