Fiber optic polarization beam combiner and splitter

Details Fiber optic polarization beam combiner and splitter Fiber optic polarization beam combiner and splitter

2005-05-24

2005-05-24

Palmer, Phan T. H. (Department: 2874)

Optical waveguides

Polarization without modulation

C385S035000, C385S036000, C359S490020

Reexamination Certificate

active

06898336

ABSTRACT:
The disclosure describes an embodiment of an apparatus comprising a single-fiber collimator, a polarization beam displacer positioned to receive an unpolarized beam from the single-fiber collimator, a roof prism positioned to receive a first polarized beam and a second polarized beam from the polarization beam displacer, a multi-fiber collimator positioned to receive the first and second polarized beams from the roof prism. Also described is an embodiment of a process comprising collimating an unpolarized beam, separating the unpolarized beam into first and second polarized beams using a polarization beam displacer, converging the first and second polarized beams using a roof prism, and focusing the first and second polarized beams into first and second optical fibers. Other embodiments are described and claimed.

REFERENCES:
patent: 6529325 (2003-03-01), Kokkelink et al.
patent: 6690501 (2004-02-01), Li et al.

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