Optical waveguides – Optical transmission cable
Reexamination Certificate
2008-04-08
2008-04-08
Healy, Brian (Department: 2883)
Optical waveguides
Optical transmission cable
C385S124000, C385S126000, C356S073100
Reexamination Certificate
active
07356228
ABSTRACT:
Fiber optic cable systems and methods incorporating a luminescent compound-containing layer to identify cracks. Exemplary embodiments include a fiber optic cable apparatus including a core for receiving laser light emitted from a VCSEL for the detection of faults in the fiber optic cable, a cladding disposed around the core, the cladding having an index of refraction differential with the core thereby allowing containment of light within the core by total internal reflection within the core, a buffer disposed around the cladding, the buffer capable of receiving LED emitted light for the detection of faults in the fiber optic cable, a braiding layer disposed around the buffer and configured to allow LED light to transmit from the buffer, and a jacket disposed around the braiding layer, the jacket having optical properties to receive LED light transmitted down the buffer in response to VCSEL, light having been unsuccessfully transmitted down the core.
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Berens Jessica R.
Freitag Lad W.
Kuczynski Joseph
Syme Fraser A.
Cantor & Colburn LLP
Healy Brian
International Business Machines - Corporation
Lam Hung
LandOfFree
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