Coherent light generators – Particular resonant cavity
Reexamination Certificate
2005-03-22
2005-03-22
Wong, Don (Department: 2821)
Coherent light generators
Particular resonant cavity
Reexamination Certificate
active
06870872
ABSTRACT:
An etalon includes an analyzer, a first λ/4 plate having an optical axis forming a 45 degree angle with respect to an optical axis of the analyzer and receiving a light transmitted via the analyzer, and a second λ/4 plate having an optical axis which is parallel to or 90 degrees to the optical axis of the first λ/4 plate and receiving a light transmitted via the first λ/4 plate. A reflection may occur between the first and second λ/4 plates.
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Fujitsu Limited
Staas & Halsey , LLP
Vy Hung Tran
Wong Don
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