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U.S. Department of Energy
Office of Scientific and Technical Information

Testing and inspecting lens by holographic means

Patent ·
OSTI ID:862510

Processes for the accurate, rapid and inexpensive testing and inspecting of oncave and convex lens surfaces through holographic means requiring no beamsplitters, mirrors or overpower optics, and wherein 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 so tested.

Research Organization:
Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA
Assignee:
Unites States of America as represented by Secretary of Army (Washington, DC)
Patent Number(s):
US 3953129
OSTI ID:
862510
Country of Publication:
United States
Language:
English