Patent
1985-05-15
1988-01-05
Sikes, William L.
350 9630, G02B 618, G02B 622
Patent
active
047172258
ABSTRACT:
A polarizing optical fiber has a core formed of a plurality of layers of dielectrics having different refractive indices. The dielectric layers form a composite structure having different refractive indices for light of different polarizations. The differing refractive indices cause the polarization states of light guided by the fiber to be non-degenerate so that energy ordinarily will not couple from one polarization to the other. The fiber includes a cladding that may have a refractive index either less than both core indices to provide a polarization maintaining fiber or greater than or equal to one of the core indices to provide a polarizing fiber. The method of fabrication of the layered core form birefringent optical fiber includes forming a structure of a plurality of layers of the dielectrics, heating the structure to form a monolith, stretching the monolith to form the fiber core, and adding the cladding to the core.
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Chang Chin-Lung
Feth John R.
Furlong Steven C.
Litton Systems Inc.
Sikes William L.
Ullah Akm E.
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