Optical waveguides – Optical fiber waveguide with cladding – Utilizing nonsolid core or cladding
Reexamination Certificate
2011-03-08
2011-03-08
Wong, Tina M (Department: 2874)
Optical waveguides
Optical fiber waveguide with cladding
Utilizing nonsolid core or cladding
C385S123000
Reexamination Certificate
active
07903919
ABSTRACT:
A holey fiber has: a core region at a center of the holey fiber; a cladding region around the core region; a plurality of holes included in the cladding region, formed in layers around the core region, arranged to form a triangular lattice having a lattice constant Λ of 2 micrometers to 5 micrometers, and each having a diameter of d micrometers; and a wavelength dispersion value of −10 ps
m/km to 10 ps
m/km at a wavelength of 1050 nanometers when d/Λ is 0.3 to 0.47.
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Furukawa Electric Co. Ltd.
Oblon, Spivak McClelland, Maier & Neustadt, L.L.P.
Wong Tina M
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