Optics: measuring and testing – By light interference – Having polarization
Reexamination Certificate
2007-05-01
2007-05-01
Toatley, Jr., Gregory J. (Department: 2877)
Optics: measuring and testing
By light interference
Having polarization
C356S493000
Reexamination Certificate
active
10900529
ABSTRACT:
An interferometer system includes a rhomboid assembly having a first optical stack and a second optical stack mounted on the first stack. The first stack includes a first prism having an angled face mounted to an angled face of a second prism. The interface between these angled faces includes a first polarizing beam-splitter. The second stack includes a third prism having an angled face mounted to an angled face of the fourth prism. The interface between these angled faces includes a second polarizing beam-splitter. First, second, third, and fourth wave plate elements are located in beam paths between the rhomboid assembly and at least one of a measurement optic and a reference optic. A redirecting optic is located at least adjacent to the vertical faces of the first and the third prisms.
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Bockman John J.
Felix Greg C.
Fine Kevin R.
Woolverton Douglas P.
Lyons Michael A.
Toatley , Jr. Gregory J.
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