Optics: measuring and testing – By light interference – Having light beams of different frequencies
Reexamination Certificate
2006-03-07
2006-03-07
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
By light interference
Having light beams of different frequencies
C356S450000, C356S498000
Reexamination Certificate
active
07009708
ABSTRACT:
An optical component especially suited for common path heterodyne interferometry comprises a symmetric dual-periscope configuration. Each periscope is substantially identical to the other with regard to certain design aspects. The resulting design is an optical component that is highly stable with variations in temperature and angular deviations.
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Anderson Denise B.
Lockheed Martin Corporation
McDermott Will & Emery LLP
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