Optical fiber with low taper induced loss

Details Optical fiber with low taper induced loss Optical fiber with low taper induced loss

2006-05-16

2006-05-16

Doan, Jennifer (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

Utilizing multiple core or cladding

C385S123000, C385S126000

Reexamination Certificate

active

07046890

ABSTRACT:
An optical fiber comprising: (i) a central core having a relative refractive index delta ΔC; (ii) a multi-pedestal region in contact with and surrounding the core, said multi-pedestal region having an outer radius of less than 25 μm and at least two pedestals, each of the pedestals being in contact and adjacent to at least one other pedestal, each of the pedestals having a relative refractive index Δpedlower than ΔC, at least one of the pedestals having Δpedvalue higher than 0.2%; and (iii) another region in contact and surrounding the multi-pedestal region, the other region having a relative refractive index delta which is lower than that of any pedestal.

REFERENCES:
patent: 5295211 (1994-03-01), Weidman
patent: 5412745 (1995-05-01), Weidman et al.
patent: 5761366 (1998-06-01), Oh et al.
patent: 5822488 (1998-10-01), Terasawa et al.
patent: 6205279 (2001-03-01), Kim et al.
patent: 0578982 (1994-01-01), None
patent: 1046937 (2000-10-01), None

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