Optics: measuring and testing – By alignment in lateral direction
Reexamination Certificate
2005-07-05
2005-07-05
Fuller, Rodney (Department: 2851)
Optics: measuring and testing
By alignment in lateral direction
C356S400000, C359S211200
Reexamination Certificate
active
06914676
ABSTRACT:
Improved methods and systems for routing and aligning beams and optical elements in an optical device include a multiplexing device and/or a demultiplexing device, which includes an optical alignment element (OAE). The OAE can be configured to substantially compensate for the cumulative alignment errors in the beam path. The OAE allows the optical elements in a device, other than the OAE, to be placed and fixed in place without substantially compensating for optical alignment errors. The OAE is inserted into the beam path and adjusted. This greatly increases the ease in the manufacturing of optical devices, especially for devices with numerous optical elements, and lowers the cost of manufacturing. The multiplexing and/or demultiplexing device can reside within a standard small form factor, such as a GBIC. The devices fold the paths of the traversing beams with a geometry which allows a small package.
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Benerofe Steven J.
Chamness Eric V.
Guan George H.
Katare Anjul K.
Leng Qunwen
Fuller Rodney
Oplink Communications Inc.
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