Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 10, 2009
Patent Application Number
11296238
Date Filed
December 7, 2005
Patent Primary Examiner
Patent abstract
An interferometer includes a beamsplitter, and a compensator. At least one surface of the beamsplitter or compensator has a non-zero power. In one embodiment, one surface of the beamsplitter is flat and the other surface of the beamsplitter is curved. In another embodiment, the interferometer includes a beamsplitter and a compensator, each having at least one surface of non-zero power, and the non-zero power of the beamsplitter and the non-zero power of the compensator are equal to each other.
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