Single mode optical fiber

Details Single mode optical fiber Single mode optical fiber

2011-08-09

2011-08-09

Wood, Kevin S (Department: 2874)

Optical waveguides

Optical fiber waveguide with cladding

With graded index core or cladding

C385S126000

Reexamination Certificate

active

07995889

ABSTRACT:
An optical transmission fiber comprises a central core having an index difference Δn1with an outer optical cladding; a first inner cladding having an index difference Δn2with the outer cladding; and a second buried inner cladding having an index difference Δn3with the outer cladding of less than −3·10−3. The second buried inner cladding moreover contains Germanium in a weight concentration of between 0.5% and 7%. The fiber shows reduced bending and microbending losses whilst exhibiting the optical performances of a standard single-mode fiber (SSMF).

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