Fused optical fiber optical device system

Details Fused optical fiber optical device system Fused optical fiber optical device system

2006-08-22

2006-08-22

Healy, Brian (Department: 2883)

Optical waveguides

Having particular optical characteristic modifying chemical...

Of waveguide core

C385S123000, C385S141000

Reexamination Certificate

active

07095941

ABSTRACT:
A fused optical fiber optical device system comprises at least one optical component comprising optical fibers and at least one other optical component with which light transmitted in the optical fibers interacts, wherein the optical fiber comprises a core glass of the following composition: La2O31–23 mole %, ZrO21–10 mole %, WO3≧2.5 mole %, ZnO 1–15 mole %, BaO 0–9 mole %, B2O320–70 mole %, Ta2O50–3 mole %, CaO 0–7 mole %, PbO 6–35 mole %, SiO20–40 mole %, As2O3and/or Sb2O30–0.1 mole %, Nb2O50–3 mole % and Al2O30–8 mole %. The core glass is essentially free of CdO, has a refractive index ndof at least 1.8 and a CTE of ≧about 74×10−7.

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