Optical waveguides – Optical fiber waveguide with cladding
Reexamination Certificate
2008-04-08
2008-04-08
Kianni, K. Cyrus (Department: 2883)
Optical waveguides
Optical fiber waveguide with cladding
C385S011000, C385S127000
Reexamination Certificate
active
07356231
ABSTRACT:
A composite polymer fiber comprises a polymer filler material and a plurality of polymer scattering fibers disposed within the filler material. At least one of the filler material and the scattering fibers is formed of a birefringent material. The refractive indices of the filler material and the scattering fibers can be substantially matched for light incident in a first polarization state on the composite polymer fiber and unmatched for light incident in an orthogonal polarization state. The scattering fibers may be arranged to form a photonic crystal within the composite fiber. The composite fibers may be extruded and may be formed into a yarn, a weave or the like. If the filler material is soluble, it may be washed out of the yarn or weave, and the scattering fibers may then be infiltrated with a resin that is subsequently cured.
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Benson, Jr. Olester
Breister James C.
Brott Robert L.
Chou Yeun-Jong
Fleming Patrick R.
3M Innovative Properties Company
Kianni K. Cyrus
Pralle Jay R.
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